Modulating Pilot Valve

Product series: M2FP03GX

Modulating pilot valve with magnetic actuator as the controlling element for 2…5“ main valves for modulating control of chillers, or for direct control of low kvs values. Suitable for use with safety refrigerants such as R22‚ R134a‚ R404A‚ R407C‚ R507 and for ammonia R717. Unsuitable for applications with gas/liquid mixtures.

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Product features

Short positioning time (approx 1 s)
High resolution
Hermetically sealed
Versatile electrical interface with terminal housing ZM..
Friction free
Robust and maintenance-free

Specifications

 Drawing

M2FP MECHANICAL DRAWINGS

 

 
Power supply
Operating voltageAC 24 V +15 % / -10 %
Frequency50...60 Hz
Typical power consumption Pmed5 W
Rated apparent power for transformer selection SNA13 VA
Cable entry2 x Pg11 (ZM101/A, ZM121/A)
Input
Positioning signal - ZM121ADC 4...20 mA
Approvals
CE conformity2004/108/EC
Housing protection. Upright to horizontalIP54 to EN 60529
Mechanical specifications
Positioning timeApprox. 1 s
MediaRefrigerants (R22, R134a, R404A, R407C, R507 etc.), ammonia (R717)
Medium temperature-40...100 ℃
Position when de-energizedValve stem retracted (valve control path closed)
Mode of operationModulating
Threaded connectionM24 x 1.5 mm
Materials
BodySteel

Ordering code

Part no.Kvs [m3/h]QoE [kW]*

Part no. for M2FP

Kvs [m3/h]

DN

Siemens-M2FP/ZM121A *6 - 35425
*2- Port modulating pilot valve + terminal house for pilot valve

Spare parts for Siemens-M2FP/ZM121A

Description

Additional info

Siemens M2FP03GX2-Port modulating pilot valve to controlMain valves. PN32, Thread M24x1,5mm
Siemens ZM121/ATerminal housing for pilot valve24V AC supply, 4-20mA regulation

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