IGEMA

IGEMA - IGEMA is your competent partner in measuring and control technology for steam and condensate systems. We focus on boiler monitoring (liquid level monitoring and conductivity) and heat engineering. Safe The operation of steam boilers is subject to high safety requirements. Therefore our products are manufactured in accordance with the current national and international control installations that ensure trouble-free operation of a steam boiler system. Our quality management guarantees the highest product quality. For many years original equipment manufacturers (OEMs) and plant operators world-wide have been putting their trust in the reliable products with the IGEMA name. With us as a partner you have steam under control! Efficient The efficiency of the control technology components influences the effectiveness of the whole system to a considerable degree. IGEMA offers you long-lasting, fail-proof and low-maintenance measuring and control systems for the operation the steam boilers plus innovative heat engineering for the optimum use of steam energy in the production process. You can count on the efficiency of our products! Friendly Steam is our passion. IGEMA is a medium-sized enterprise with a long tradition. A good working atmosphere and the strong ties of our staff to the company are particularly important to us. This forms the basis for personal and consistently competent consultancy our customers can rely on!

Products IGEMA

Liquid control
Diagnostic and test systems for commercial vehicles
Electronic Solutions

Liquid control

Mechanical level control
Electronic level control
Сontrol of water quality in steam boilers
Condensate control
Valves
Original spare parts and accessories
Services

Diagnostic and test systems for commercial vehicles

Brake test system
Offboard-diagnostic system
Truck Trailer Interface TTI

Electronic Solutions

Our team of exceptionally well trained electronic specialists develops precise and reliable solutions for complex electronic applications. Among our constituency are mechanical engineering, measuring and control technology as well as utility vehicles companies.

Reflex level gauge LG40-CS

32 bar

Application and function
The reflex level gauge is a direct level gauge which can be used for steam boilers and containers. In the sight opening, the water level is indicated dark and the steam light. The product corresponds to the EU 2014/68/EU. Applied standards: complies with DIN EN standards or ASME-Boiler.

This product is in accordance to EU-directive 2014/68/EU. Applied policy acc. to EN 12952 / EN 12953 / AD2000. Moreover, it is approved to the policy of various international Marine classification companies.

Technical basic equipment
Body material: carbon steel
With drain valve and ventilation plug
Shutoff valves type A120,
Drain valve
Sight length see table
Available (optional) versions
Body material stainless steel
Materials acc. to ASME
Other drain valves on reques

Reflex level gauge RG40

40 bar

Application and function
The reflex level gauge is a liquid level indicator without lighting device, which is mainly used on storage tanks und low pressure vessels. Due to the special design of the reflective glass, a direct reading of the level is possible without further auxiliary devices.

This product is in accordance to EU-directive 2014/68/EU. Applied policy acc. to DIN EN 13445 and ASME Boiler and Pressure Vessel Code. Considered regulations AD2000. Furthermore, as a plant component for large water room boilers and water tube boilers, this product meets the requirements of the standards DIN EN 12952-7 and DIN EN 12953-6.

Technical basic equipment
Materials made of heat-resistant pressure vessel steel
Freely selectable valve connection orientation
Reflective sight glass made of borosilicate according to DIN 7081
Vent plug BSP G1/2“
Shut-off valve A120-CS PN40 / DN20 or DN25
Drain valve type AV250

Available (optional) versions
Stainless steel design
Customised process connections
Vent valve
Other shut-off valves
Other drain valves
Inclined design

Reflex level gauge LG40-x2

32 bar

Application and function
The reflex level gauge is a direct level gauge which can be used for steam boilers and containers. In the sight opening, the water level is indicated dark and the steam light.
The product corresponds to the PED directive 2014/68/EU Art. 4 Abs. 3 (Sound Engineering Practice).
Applied rules as per TRD/AD2000 or ASME Boilers.
x = Quantity of shutoff possibilities (valve)

Technical basic equipment
Body material carbon steel
Sight lengths see table
As left sided (mapped) or right sided model
With drain valve and ventilation plug
Shutoff valves A130 or A220
Drain valve type AV500
Available (optional) versions
Body material stainless steel
Boday material according to ASTM
Other drain valve ob request

Reflex level gauge RG200

200 bar

Application and function
The reflection indicator is a liquid level indicator which is mainly used on storage tanks and high pressure vessels. Due to the special construction of the reflection glass, the liquid column appears dark and the gas area bright.

This product is in accordance to EU-directive 2014/68/EU. Applied policy acc. to DIN EN 13445 and ASME Boiler and Pressure Vessel Code.

Technical basic equipment
Indicator body in carbon steel or stainless-steel version according to DGRL & ASME
Available as left (shown) or right model
Display lengths according to tables
Ventilation plug
Shut-off valves
Drain valves

Available (optional) versions
Other drain valves
Aluminium silicate glasses
Lighting device
Larger connection and show areas
Inclined design

Remote level gauge type G
200 bar

Application and function
The remote level gauge type G can be used for every steam generator according to TRD 401 except continuous steam generators. The geodetic pressure difference of two water columns is transferred to a blue separating liquid in the remote level gauge. This liquid is not soluble in water and non-toxid. The height of the display column of liquid is the water level in the steam drum at a scale of 1: 1 or a reduced scale again.

The product corresponds to the PED directive 2014/68/EU Art. 4 Abs 3 (Sound Engineering Practice). Applied rules as per TRD/AD2000 or ASME-Boilers.

Technical basic equipment
Body material stainless steel
Sight length see table
Illumination device IP67
Shutoff valves type HA300, HA310 and HA320
Indicator valves type AF410 and 411

Level switch Ni1

Application and function
Type designation level swtich (Ni1 L, Ni1 N, Ni1 G and with curved float rod)

Signaling, 2 point control or regulation of liquid levels in containers or pipelines. The 2 point water level controllers in the steam generator comply with EU directive 2014/68 / EU. Applied regulations according to EN 12952 and EN 12953. The liquids must not tend to stick, harden or crystallize, Solids must not be magnetizable.

Execution
The magnet (permanent magnet), which is supported by the float lever, switches through the pressure-resistant wall. Without contact the magnetic switch located in the switch housing.

Execution (curved float rod)
They are used where the float can not be flooded by the medium.

Transparent level gauge TG40

40 bar

Application and function
The Transparent Level Gauge is a direct liquid level indicator with illumination device mainly used for storage tanks, low pressure vessels and steam boilers. The level is clearly visible at any time thanks to the brilliant and durable LED-backlight.

This product is in accordance to EU-directive 2014/68/EU. Applied policy acc. to DIN EN 13445 and ASME Boiler and Pressure Vessel Code. Considered regulations AD2000. Furthermore, this product meets the requirements of the standards DIN EN 12952-7 and DIN EN 12953-6 as a plant component for large water room boilers and water tube boilers.

Available (optional) versions
Transparent level gauge in stainless steel
Specific process connections
Vent valve
Other shut off valves
Other drain valves
Inclined version on request
LEDSecure Slim illumination 24V DC

Transparent level gauge TG200

200 bar

Application and function
The transparent level gauge is a direct water level gauge with illumination which can be used for steam generators.
In the sight opening, the water level is visible at the interface between water level and steam. The product corresponds to the EU 2014/68/EU.
Applied standards as per EN 13445 / EN 12952 / EN 12953 / AD 2000 or ASME-Boiler.

Technical basic equipment
Body material carbon steel
As left sided (mapped) or right sidedmodel
Sight lengths see table
With drain valve and ventilation plug
Illumination device IP67
Shutoff valve type A220 and A240
Drain valve type AV500, AV520
Available (optional) versions
Body material according to ASME
Other drain valve

Transparent level gauge TG120

120 bar

Application and function
The Transparent Level Gauge is a direct water level indicator with illumination device mainly used for steam boilers and/or pressure vessel. The level is clearly visible at any time thanks to the brilliant and durable LED-backlight.

This product is in accordance to EU-directive 2014/68/EU Art. 4 (3) good engineering experience. Applied policy EN13445; EN12952; EN12953 and ASME-Boilers.

Technical basic equipment
Main Body in Carbon Steel
Left-hand or right-hand model possible
TG32: Shut-off Valve A120-CS PN 40 / DN20 or DN25
TG120: Shut-off Valve A140-CS PN 160 / DN20 or DN25
Drain Valve AV100 / AV250 and Vent Plug
LED Illumination Device
Available (optional) versions
Double Shut-off Valve
Transparent Level Gauge in stainless steel
Specific process connections
Optional Drain Valves
Staggered version on request

Magnetic level gauge type NA7-45

80 bar

Application and function
The magnetic level gauge is an indirect level gauge. The boiler level is transmitted analogously 1:1 to the indicating ledge via the float.

The product corresponds to the EU 2014/68/EU.
Applied standards : complies with DIN EN standards or ASME-Boiler.

Technical basic equipment
Standpipe stainless steel
Process connection stainless steel
Indicating ledge AL_-G (D-06-D-16311-0)
Available (optional) versions
Medium wetted parts complete stainless steel
Magnetic switch type M510-1-60 (D-06-D-16312-0) for signaling
Primary element type MRK (D-06-D-16313-0) with integrated R/I-converter, output 4-20 mA
Light band indicator for remote level indication

Magnetic level gauge NA7-52

50 bar

Application and function
The magnetic level gauge is an indirect level gauge. The boiler level is transmitted analogously 1:1 to the indicating ledge via the float.
The product corresponds to the EU 2014/68/EU.
Applied standards : complies with DIN EN standards or ASME-Boiler.

Technical basic equipment
Fluid side stainless steel (1.4404; SA312 Gr. TP316L)
Indicating ledge AL_-G (D-06-D-16311-0)
Drain plug
Ventilation plug
Available (optional) versions
Drain valve AV500 (other drain valve on request)
Magnetic switch type M510-1-60 (D-06-D-16312-0) for signaling
Primary element type MRK (D-06-D-16313-0) with integrated R/I-converter, output 4-20 mA
Light band indicator for remote level indication

Magnetic level gauge NA7-MRK 110

Reed chaine (SIL/Ex)

Application and function
IGEMA Magnetklappenanzeiger in Verbindung mit einer Reedkette MRK zeigen nicht nur mechanisch den Füllstand über die Anzeigeleiste AL2-G/AL3-G an, sondern erzeugen bei der Füllstandsmessung zusätzlich ein 4 - 20 mA-Signal. Dabei betätigt das Magnetsystem im Schwimmer eine Widerstandsmesskette, die einer 3-Leiter-Potentiometerschaltung entspricht. Die erzeugte Messspannung ist proportional zur Füllstandhöhe und bedingt durch die feinstufige Auflösung der Messkette quasi-kontinuierlich.

Mit dem 4-20 mA-Signal kann der Flüssigkeitsstand über weite Distanzen in einen Leitstand oder in ein entfernt installiertes IGEMA-Fernanzeigeelement (LB-16) übertragen werden.

Darüber hinaus ist das Schalten von frei wählbaren Grenzwerten in Verbindung mit IGEMA-Grenzwertschaltern (M510) möglich.

Available (optional) versions
TYP MRK 110-S

Der integrierte Messumformer wandelt das Widerstandsignal der Reedkette in ein kontinuierliches 4..20mA Stromsignal um.

TYP MRK 110-SIL

Der bei diesem Modell integrierte Messumformer wurde unter besonderer Berücksichtigung sicherheitsrelevanter Belange entwickelt und kann daher in SIL-Umgebungen eingesetzt werden. Dieser Kopfmessumformer kann zudem über HART ausgelesen werden.

TYP MRK 110-Ex-SIL

Der bei diesem Modell integrierte Messumformer wurde speziell für den Einsatz in Ex-Zonen entwickelt. Bei der Entwicklung wurden zudem die SIL-relevanten Belange berücksichtigt. Auch dieser Kopfmessumformer kann über HART ausgelesen werden.

Version

Eigenschaften

MRK 110-S Medium <150°

Stromsignal, ohne Isolierung

MRK 110-S Medium >150°

Stromsignal, mit Isolierung

MRK 110-SIL Medium <150°

Stromsignal, HART-Protokoll, SIL-Einstufung, ohne Isolierung

MRK 110-SIL Medium >150°

Stromsignal, HART-Protokoll, SIL-Einstufung, mit Isolierung

MRK 110-Ex-SIL Medium <150°

Stromsignal, HART-Protokoll, Ex-Zulassung, SIL-Einstufung, ohne Isolierung

MRK 110-Ex-SIL Medium >150°

Stromsignal, HART-Protokoll, Ex-Zulassung, SIL-Einstufung, mit Isolierung

Speisetrenner

HART-Transparent, SIL-Einstufung

Ex-Speisetrenner

HART-Transparent, Ex-Zulassung, SIL-Einstufung

Front-Anzeige für Speisetrenner

mA-Anzeige

Magnetic level gauge NA7-50

20 bar

Magnetic level gauge NA7-130

150 bar

Application and function
The magnetic level gauge is an indirect level gauge. The boiler level is transmitted analogously 1:1 to the indicating ledge via the float.

The product corresponds to the EU 2014/68/EU. Applied standards as per EN 13445 / EN 12952 / EN 12953 / AD 2000 or ASME-Boiler.

Technical basic equipment
Standpipe stainless steel
Process connection carbon steel
Indicating ledge AL_-G (D-06-D-16311-0)
Drain- and ventilation plug
Available (optional) versions
Medium wetted parts complete stainless steel
Drain valve AV500, AV520 (other drain valve on request)
Magnetic switch type M510-1-60 (D-06-D-16312-0) for signaling
Primary element type MRK (D-06-D-16313-0) with integrated R/I-converter, output 4-20 mA
Light band indicator for remote level indication

Bicolour level gauge type LS green‑red

120 bar

Application and function
The bicolour level gauge is a direct water level gauge which can be used for steam generators. In the sight opening, the water space is indicated in green and the steam space in red.

The product corresponds to the EU 2014/68/EU. Applied standards as per EN 13445 / EN 12952 / EN 12953 / AD 2000 or ASME-Boiler.

Technical basic equipment
Body material carbon steel according to ASME
As left sided (mapped) or right sided model
Sight length see table
With drain valve and ventilation plug
Illumination device LEDSecure SOL, IP67
Shutoff valves type A130, A150 and A220
Drain valve type AV500, AV520
Available (optional) versions
Other drain valve
Low level mark

Bicolour level gauge type black‑white

200 bar

Application and function
The bicolour level gauge black-white is a direct level gauge with illumination and can be used for steam generators. For best results, observe the liquid level standing directly in front of the sight opening. In the sight opening, the height of the liquid level is indicated in black and the steam space in white.

The product corresponds to the EU 2014/68/EU. Applied standards : complies with DIN EN standards or ASME-Boiler.

Technical basic equipment
Body material carbon steel
As left sided (mapped) or right sided model
Sight length see table
With drain valve and ventilation plug
Illumination device IP67
Shutoff valves type A220 and A240
Drain valve type AV500, AV520
Available (optional) versions
Body material according to ASME
Other drain valve

Bicolour level gauge type BU green‑red

200 bar

The product corresponds to the EU 2014/68/EU. Applied standards : complies with DIN EN standards or ASME-Boiler.

Technical basic equipment
Body material carbon steel according to ASME
As left sided (mapped) or right sided model
Sight length see table
With drain valve and ventilation plug
Illumination device LED Secure SOL6/8, IP67
Shutoff valves type A220 and A240
Drain valve type AV500, AV520
Available (optional) versions
Other drain valve

Float switch type BA14

80 bar

Application and function
The float switch can be used as water level limiter for steam generators as per TRD 401, 402 or 602.

The product corresponds to the EU 2014/68/EU module B and has the CE-mark no. 0035 of the notified body. Applied standards as per EN 13445 / EN 12952 / EN 12953 / AD 2000 or ASME-Boiler.

Technical basic equipment
Material according to DIN or ASME
Protection as per DIN VDE 0470: IP54
Process connection: flanges as per DIN or ANSI
Magnetic switch type M130-K (D-07-D-16324-0)
Cable gland according to DIN EN 50262: M20x1,5
Drain plug G ½
Available (optional) versions
Protection as per DIN VDE 0470: IP65
Process connection: welding end, Socket Welding
Level indication (signal lamps), data sheet D-07-D-16323-0
Ventilation screw
Drain valve AV500 or 520

Float switch type RBA26

160 bar

Application and function
The float switch can be used as water level controller or limiter for steam generators as per TRD 401, 402 or 602. The product corresponds to the EU 2014/68/EU module B and has the CE-mark no. 0035 of the notified body. Applied standards as per EN 12952 / EN 12953 / AD 2000 or ASME-Boiler.

Technical basic equipment
Material according to DIN or ASME
Protection as per DIN VDE 0470: IP54
Process connection: flanges as per DIN or ANSI
Magnetic switch type M130-KG (D-07-D-16324-1)
Cable gland according to DIN EN 50262: M20x1,5
Drain plug G ½
Available (optional) versions
Protection as per DIN VDE 0470: IP65
Process connection: welding end, Socket Welding
Level indication (signal lamps), data sheet D-07-D-16323-0
Ventilation screw
Drain valve AV520

Float switch type RBA36

160 bar

Float switch type Typ RBJ64(63)

80 bar

Application and function
The float switch can be used as water level limiter for steam generators as per TRD 401, 402 or 602. The float switch according to PED directive 97/23/EEC has the CE-mark no. 0035 of the notified body.Applied rules as per TRD/AD2000 or ASME- Boiler.
Technical basic equipment
Protection as per DIN VDE 0470: IP54
Process connection flange DN 100 as per DIN
Magnetic switch type M130-K (D-07-D-16324-0) for 250Vac
Cable gland as per DIN EN 50262: M20x1,5
Test device
Available (optional) versions
Level indication (signal lamps), data sheet D-07-D-16323-0
Magnetic switch type M130-KS (D-07-D-16324-0) for 24Vdc

Float switch type RBA24

80 bar

Float switch type RBA34

80 bar

Technical basic equipment
Material according to DIN or ASME
Protection as per DIN VDE 0470: IP54
Process connection: flanges as per DIN or ANSI
Magnetic switch type M130-KG (D-07-D-16324-0)
Cable gland according to DIN EN 50262: M20x1,5
Drain plug G ½
Available (optional) versions
Protection as per DIN VDE 0470: IP65
Process connection: welding end, Socket Welding
Level indication (signal lamps), data sheet D-07-D-16323-0
Ventilation screw
Drain valve AV500 or 520

Float switch type RBJ54

80 bar

Application and function
The float switch can be used as water level limiter for steam generators as per TRD 401, 402 or 602. The product corresponds to the EU 2014/68/EU module B and has the CE-mark no. 0035 of the notified body. Applied standards as per EN 13445 / EN 12952 / EN 12953 / AD 2000 or ASME-Boiler.

Technical basic equipment
Protection as per DIN VDE 0470: IP54
Process connection flange DN 100 as per DIN
Magnetic switch type M130-KG (D-07-D-16324-0) für 24VDC / 250Vac
Cable gland as per DIN EN 50262: M20x1,5
Test device
Available (optional) versions
Level indication (signal lamps), data sheet D-07-D-16323-0

Electronic level control

Low water level Limiter LW
Low water level Limiter LW
Low water level Limiter LW-S
with safety function

High water level limiter HW-S
with safety function

Level control

Level control continuous

Level control & limating LW
discontinous

Level control & limating LW/HW
discontinous

Level control & -limting LLW-S
with safety function)

level control & limating LLW/HHW-S
with safety function

Level limiting & control

Special application Sterilisation Boiler

ClassicLine (analog)

Water level limiter LLW
Smartline / BUS technology
Water level limiter HHW

Smartline / BUS technology

Level control & -limiting LLW/HHW-C
discontinous (capacitive)

Smartline / BUS technology

Level control & -limiting LLW/HHW-2P
discontinuous (2-point)

Smartline / BUS technology

Level control & limiting LLW/HHW
with multi rod probes

Smartline / BUS technology

Electronic water level indicator / switch
Electronic remote water level gauge (type EWLI-3B)
type EWLI-3B
Electronic level switch (type EWLS)

Control of water quality in steam boilers

TDS control for steam boiler

Application and function
The quality of the boiler water has a direct influence on the efficiency of your system. During operation, the substances bound in the boiler water increase. In order to prevent the negative consequences (foaming, deposits) of excessively high TDS content in the boiler water, specified limit values must not be exceeded.

With the aid of a TDS control valve, boiler water with concen- trated content is removed and replaced with clean water. If the limit values are exceeded, the TDS limitation ensures prompt shut-off of the burner.

IGEMA offers simple but effective systems for 2-point conductivity control up to 15 or up to 32 bar, as well as systems for continuous control. The electrode EL22 with t-piece is used for measuring inside a boiler. Inside the pipeline, the EL18 with block flange measures the conductivity.

System components / options
Schema Absalzung

Available (optional) versions
Conductivity probe EL23 (80bar) with protective tube for vertical installation in the steam boiler solids in the boiler

Flushing of solide

Application and function
During operation, solids settle on the bottom of the boiler. By briefly opening a valve with a large cross-section, a suction is generated at the bottom of the boiler, which drains the sludge.

To ensure a proper functioning of your system, we recommend to us the IGEMA blow-down valves KAV1 R1-N and KAV2 R1-N. While the KAV1 is designed for manual operation and control, the KAV2 is equipped with a pneumatic actuator (diaphragm) and a program-controlled solenoid valve.

Technical basic equipment
KAV1 R1-N Blow-down valve with handlever.; A later equipment with pneumatic actuator is possible without problems.

KAV2 R1-N Blow-down valve with pneumatic actuator for automatic blowing down in connection with the program-controlled IGEMA magnetic valve type PGM

System components / options
Schema Abschlammung

Electronic level switch type EWLS Application and function The electronic switch consists of the following components: Water column with 1 to 4 probes (fully wired) Measuring unit (MU); mounted on to the water column housing and fully wired NEMA4X/IP66 Control Box with Control unit (CU) for up to 4 independent probe channels and LED indication (fully wired) connecting cables Technical basic equipment The state of the art electronic level detection can be used for steam boilers or any other application with electrically conductive liquid. Typical applications: Receiver tanks (Water tank, Deaerator, Condenser) Flash Tanks, Feedwater heaters TWIP (Turbine water induction prevention) Steam line drain control Boiler water high level high/low level control and many more Recording is carried out by a conductive measuring principle which can detect even lowest condutivities. The measuring unit (MU) can be equipped with up to 4 probes. The distance between the individual probes can be determined by the customer. Due to the freely programmable assignment of switch contacts to the probes, the system provides maximum versatility. Both the measuring unit and the control unit have two independent electronic circuits with its own processors. All processors carry out regular self-tests for internal faults in the electronic circuit. Redundant power supplies are standard with our system. The control unit (CU-3) processes the signals recorded and controls the downstream functions. It is built into a stainless steel control box (IP65/NEMA4X). The control box provides local indication of all probes (water=green, steam=red), normal operation (green LED) and system fault (yellow). Individual configurable output contacts (SPDT) with time delay option are available as standard. Furthermore an eighth contact (SPDT) is permanently switched as the signal contact for device error and a ninth contact (SPDT) permanently switched as the water level alarm contact, whereby the probes triggering the alarm (LW and/or HW) can be freely selected. Here each processor actuates its own relay per contact whereby the output contacts are only switched when both processors signal normal operation. In addition there is a 4mA ‒ 20mA interface as a (virtually) continuous output available. The output is increased per submerged probe by the corresponding proportion (16 mA / number of probes). In the event of an error the output goes to 2 mA. The configuration/programming is carried out via 4 buttons and a 2-row illuminated LCD display with 16 characters each. Also the LCD display will show local fault indication such as power supply failure, probe fault, level indication failure (“water over steam failure”), circuit board failure, cable fault or short circuit. The EWLS design and fabrication complies with EU Directive 2014/68/EU and the applied regulations DIN EN 12952, DIN EN 12953, AD2000 and the ASME boiler code. Available (optional) versions materials according to DIN or ASME up to 4 probes (EL65 or EL60) display of the level in relation to the probes 1 separate interface 4 mA ‒ 20 mA for loads up to 500 Ohm switch contacts, can be individually assigned to the probes 1 error contact, permanently interconnected 1 alarm contact permanently assigned to the water level alarm, LW and/or HW probes can be freely assigned Optional: Remote Display Unit DU3 Electronic level switch type EWLS Application and function The electronic switch consists of the following components: Water column with 1 to 4 probes (fully wired) Measuring unit (MU); mounted on to the water column housing and fully wired NEMA4X/IP66 Control Box with Control unit (CU) for up to 4 independent probe channels and LED indication (fully wired) connecting cables Technical basic equipment The state of the art electronic level detection can be used for steam boilers or any other application with electrically conductive liquid. Typical applications: Receiver tanks (Water tank, Deaerator, Condenser) Flash Tanks, Feedwater heaters TWIP (Turbine water induction prevention) Steam line drain control Boiler water high level high/low level control and many more Recording is carried out by a conductive measuring principle which can detect even lowest condutivities. The measuring unit (MU) can be equipped with up to 4 probes. The distance between the individual probes can be determined by the customer. Due to the freely programmable assignment of switch contacts to the probes, the system provides maximum versatility. Both the measuring unit and the control unit have two independent electronic circuits with its own processors. All processors carry out regular self-tests for internal faults in the electronic circuit. Redundant power supplies are standard with our system. The control unit (CU-3) processes the signals recorded and controls the downstream functions. It is built into a stainless steel control box (IP65/NEMA4X). The control box provides local indication of all probes (water=green, steam=red), normal operation (green LED) and system fault (yellow). Individual configurable output contacts (SPDT) with time delay option are available as standard. Furthermore an eighth contact (SPDT) is permanently switched as the signal contact for device error and a ninth contact (SPDT) permanently switched as the water level alarm contact, whereby the probes triggering the alarm (LW and/or HW) can be freely selected. Here each processor actuates its own relay per contact whereby the output contacts are only switched when both processors signal normal operation. In addition there is a 4mA ‒ 20mA interface as a (virtually) continuous output available. The output is increased per submerged probe by the corresponding proportion (16 mA / number of probes). In the event of an error the output goes to 2 mA. The configuration/programming is carried out via 4 buttons and a 2-row illuminated LCD display with 16 characters each. Also the LCD display will show local fault indication such as power supply failure, probe fault, level indication failure (“water over steam failure”), circuit board failure, cable fault or short circuit. The EWLS design and fabrication complies with EU Directive 2014/68/EU and the applied regulations DIN EN 12952, DIN EN 12953, AD2000 and the ASME boiler code. Available (optional) versions materials according to DIN or ASME up to 4 probes (EL65 or EL60) display of the level in relation to the probes 1 separate interface 4 mA ‒ 20 mA for loads up to 500 Ohm switch contacts, can be individually assigned to the probes 1 error contact, permanently interconnected 1 alarm contact permanently assigned to the water level alarm, LW and/or HW probes can be freely assigned Optional: Remote Display Unit DU3

Valves

Drain valves

Drain valve type AV250, AV320
Drain valve type AV500, AV505, AV520, AV525
Drain valve type AV540, AV550
Double-drain valve type AV560, AV570
Drain valve type AV580, AV585

Blow down valves

Kesselabschlammventil KAVx R1-N

Application and function
The valve is used to blow down and / or to drain steam boilers. The conception of the valve enables a fast opening necessary for the blowing down. This fast opening causes a suction in the boiler whereby deposits and possible solids are flushed out of the boiler.

Technical basic equipment
KAV1 R1-N Blow-down valve with handlever.; A later equipment with pneumatic actuator is possible without problems.
KAV2 R1-N Blow-down valve with pneumatic actuator for automatic blowing down in connection with the program-controlled IGEMA magnetic valve type PGM
Construction as globe valve with flange connection or welding end according to DIN
Quick closing mechanism for fast closing and opening
Adjustable stuffing box
Clamp-in valve seat
Possibility to lock the valve manually in open position
Possibility to operate the pneumatic actuator with the control media air or water
Materials:

pressure holding parts: steel for high-temperature service
Spindle, seat and cone: stainless steel
Yoke: carbon steel
Lever: carbon steel
Available (optional) versions
Other process connections as per DIN or ANSI on request

Shut-off valves

Shutoff valve type A140-CS
120 bar

Shutoff valve type A130 / A150
120 bar, Einzelabsperrung

Shutoff valve type A210 / A220
120 bar, Doppelabsperrung

Shutoff valve type A230 / A240
200 bar, Doppelabsperrung

TDS valves

TDS valve type ASV2

Application and function
The motor actuated TDS valve type H-ASV2 is used for continuous and automatic evacuation of boiler water with high TDS concentration.

Technical basic equipment
Constructions:

ASV2-0 as globe valve
ASV2-1 with sampling valve
ASV2-2 with 12 mm cutting ring connection for sampling pipe
Acutator MC163

Micro controller actuated
Automatic self-adjustment during commissioning
Wear-resistant odometer system (reverberation sensor)
Undetachable stroke storage in the EEPROM
External status signal possible for manual timing
Error recognition during continuous operation (in case of obstruction through foreign impact)
Cap can be put on in 4 positions, 90° locking, no screws required
Safety position during actuation of a binary signal (Frost protection)
Actuator has protective insulation at 230 Vac
Materials:

Valve housing: cast steel GS-C25N
Spindle sealing: graphite
Inner parts: needle cone and screwed seat made of hardened CrNi steel
Available (optional) versions
Special voltage: 24Vdc or 115Vac
Protection IP65

Globe valves

Globe valve type WA3
with 1 limit switch

Globe valve type WA4
with 1 limit switch

Globe valve type WA5
without limit switch

Globe valve type WA6
with 2 limit switches

Globe valve type WA10
ohne Endschalter

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