Buy Siemens MVS661.25-0.4N, Ammonia Refrigerant Valve, KVS 0.4

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Kvs (m3/h):: Kvs (m3/h): 0.4

Features:

One valve type for expansion, hot-gas, and suction throttle applications
Hermetically sealed
Selectable standard interface DC 0/2...10 V or DC 0/4...20 mA
High resolution and control accuracy
Precise positioning control and a position feedback signal
Short positioning time (< 1 second)
Closed when deenergized
Robust and maintenance-free

The MVS661..N refrigerant valve is designed for modulating control of refrigerant circuits, including chillers and heat pumps. It is suitable for use in expansion, hot-gas, and suction throttle applications. In addition to ammonia (R717), the valve can handle all standard safety refrigerants, noncorrosive gases/liquids, and CO2 (R744).

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Technical Details

Reviews

Ambient temperature, operation	-25 - 55 °C
Degree of protection	IP65
kvs	0.4 m³/h
kvs reduced	0.25 m³/h
Leakage rate	0.002 % of kvs
Material, inside set	CrNi steel
Material, valve body	Steel / CrNi steel
Medium temperature	-40 - 120 °C; -40 - 248 °F
Mounting position	Upright to horizontal
Nominal pressure	PN 63
Operating voltage	24 VAC, 20 - 30 VDC
Permissible operating pressure	6300 kPa; 914 psi
Position feedback	DC 0 - 10 V, 0 - 20 mA, DC 2 - 10 V, 4 - 20 mA
Positioning signal	DC 0...10 V, DC 2...10 V, DC 0...20 mA, DC 4...20 mA
Positioning time	1 s
Power consumption	22 VA
Spring return function	Closed
Valve characteristic	Linear
Δpmax	2500 kPa
Operating range	DC 0 - 10 V, 0 - 20 mA, DC 2 - 10 V, 4 - 20 mA
Stroke resolution ΔH/H100	1:1000
Material, valve body	Steel / CrNi steel
Dimensions (W x H x D)	6.3 x 11.22 x 4.02 in
DN	25

Notes

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Product Details

Ambient temperature, operation	-25 - 55 °C
Degree of protection	IP65
kvs	0.4 m³/h
kvs reduced	0.25 m³/h
Leakage rate	0.002 % of kvs
Material, inside set	CrNi steel
Material, valve body	Steel / CrNi steel
Medium temperature	-40 - 120 °C; -40 - 248 °F
Mounting position	Upright to horizontal
Nominal pressure	PN 63
Operating voltage	24 VAC, 20 - 30 VDC
Permissible operating pressure	6300 kPa; 914 psi
Position feedback	DC 0 - 10 V, 0 - 20 mA, DC 2 - 10 V, 4 - 20 mA
Positioning signal	DC 0...10 V, DC 2...10 V, DC 0...20 mA, DC 4...20 mA
Positioning time	1 s
Power consumption	22 VA
Spring return function	Closed
Valve characteristic	Linear
Δpmax	2500 kPa
Operating range	DC 0 - 10 V, 0 - 20 mA, DC 2 - 10 V, 4 - 20 mA
Stroke resolution ΔH/H100	1:1000
Material, valve body	Steel / CrNi steel
Dimensions (W x H x D)	6.3 x 11.22 x 4.02 in
DN	25

Note

Note: Please read description carefully. Do not base your order on the picture presented.

Reviews

Siemens MVS661.25-0.4N Ammonia Refrigerant Valve, KVS 0.4

Identifiers

Technical Details

Reviews