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ManualsBrandsSiemens ManualsRefrigeration Valves (BC7)Modulating pilot valve, PN32, M2FP..
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Siemens Industry, Inc.
M2FP03GX
Technical Instructions
Document No. 155-403
December 4, 2019
Modulating Pilot Valve
to Control Main Valves
Description
Modulating pilot valve with magnetic actuator as the controlling element for 2- to 5-inch
main valves for modulating control of chillers, or for direct control of low C
V
(k
vs
)values.
Features
• Short positioning time (approximately 1 second).
• High resolution.
• Hermetically sealed.
• Versatile electrical interface with terminal housing ZM.. module.
• Friction-free.
• Robust and maintenance-free.
Application
Suitable for use with safety refrigerants such as R22‚ R134a‚ R404A‚ R407C‚ R507 and
for ammonia R717. Unsuitable for applications with gas/liquid mixtures.
Product Number
Product Number
p
max
psi (MPa)
M2FP03GX
261 (1.8)
∆p
max
= Maximum permissible differential pressure across the valve’s control path valid for the
entire actuating range.
k
vs
= Nominal flow rate of cold water through the fully open valve (H
100
) by a differential
pressure of 100 kPa (1 bar), to VDI 2173.
C
V
= Nominal flow rate of cold water through the fully open valve (H
100
) with a differential
pressure of 1 psi.

Summary of content (5 pages)