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solenoid valves with pistons
  • solenoid valves with pistons
Delivery Time: 3 Days
Basic Info

Model No.: NSV series

Product Description Specifications 1.two way pilot operated valves with pistons.

2.characters:good insulation, waterproof, moisture proof, anti-vibration etc.

 Specifications   1.two way pilot operated valves with pistons. 
2.characters:good insulation, waterproof, moisture proof, anti-vibration etc. 

NSV series brass Electromagnetic Solenoid Valves with pistons   NSV series Solenoid Valves with pistons are widely used in refrigeration, pneumatic and hydraulic system as automatic controls, are also used in boiler and fire-fighting, etc. 
The life of solenoid valves with pistons is longer than those with diaphragms. 
NSV-F series are used for large or medium-sized refrigeration system. Solenoid valves use full-closed magnetic coil and DIN international standard electric plug, so it is characterized by its good insulation, waterproof, moisture proof, anti-vibration and corrosion resistance. Operating principle
While energized in coil, the electromagnetic power opens the small orifice. Then the pressure in upside of valve reduced, so the pressure difference between both side of piston happen and lead to piston lift to open the main orifice. While de-energized in the coil, plug stem will drop and close the small orifice because of spring force and its weight. The flow media enters into upside of piston through throttle hole, then pressure in both side of piston balances, then the piston will drop and close the main orifice. Technical data
Ambient temperature: -20 ~ 50 .C
Medium temperature: -25 ~ 120 .C
Max. working pressure: 3 MPa
Available medium: R134a,R22,R407C,R404A/507,air,water and oil.
Optional voltage of solenoid coils: 
A.C.: 24V,36V,110V,220V,380V.
D.C.:12V,24V,110V,220V
Type and data

Connection
form

Model

Connection
dimension
(in.)

Kv value
(m3/h)

Opening
diff. pressure
(MPa)

Dimension
(mm)

Min.

Max.

A.C.

D.C.

Length

Wide

Height

Flare
SAE

NSV6

5/16

0.4

0.005

2.1

1.7

76

38

95

NSV8

3/8

1

76

38

95

NSV10

1/2

1.8

76

38

95

Solder
ODF

NSV6W

5/16

0.4

136

38

95

NSV8W

3/8

1

136

38

95

NSV10W

1/2

1.8

136

38

95

The Kv value is the water flow in m3/h at a pressure drop across valve of 0.1MPa,ρ=1000 kg/m3
Letters after the model: W means solder ODF

           

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