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2W21 diaphragm solenoid valve

  • model:2W21
  • specifications:DN10-DN50
  • material:Stainless or brass
  • HK07 Pilot diaphragm type solenoid valve
  • HK07 Pilot diaphragm type solenoid valve
  • HK07 Pilot diaphragm type solenoid valve
  • HK07 Pilot diaphragm type solenoid valve

2W21 diaphragm solenoid valve Details

2W21 Diaphragm Direct Lifting solenoid valve

2W21 Diaphragm Direct Lifting solenoid valve


2W21 Diaphragm Direct Lifting solenoid valve

Characteristic:

1.Direct lifting diaphragm construction.

2.Open from 0 bar for low pressure systerm use

3.High frequency of flying lead coil

Medium: Air , Water , Steam , Oil , etc.

Temperature:

NBR Seal: -10℃ ~ 80

EPDM Seal: -10℃ ~ 120℃

VITON Seal: -10℃ ~ 150℃

Pressure: 2W: 0.0Mpa ~1.0 Mpa

             2W21: 0.0Mpa ~1.0 Mpa

             2W31: 0.0Mpa ~1.0 Mpa

Port Size: DN06 ~ DN50

Port Thead: G , BSP , NPT , FLANGE

Voltage : DC - 12V , 24V

             AC - 24V , 120V , 240V , 110V , 220V

Tolerance : ± 10%

Material : Body - Brass or Stainless Steel

             Seal - VITON , NBR , EPDM

             Armature Tube - Stainless Steel 304

             Plunger - Stainless Steel 430F

             Stop - SS 403F

             Spring - SS 304

             Shading Rings - Stainless Steel 304 

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Drawing


Parameter

2W Normally Closed With Coil Y32B / Y42B
Valve Port Orifice Cv Min Max Pressure Max Pressure Seal  Body  Coil
Body Size Pressure  AC(40VA) DC(18W) Material Material
2W12 3/8" 12 4.5 0.0Mpa 1.0Mpa 1.0Mpa NBR , Brass  Y32B
2W15 1/2" 15 4.5 0.0Mpa 1.0Mpa 1.0Mpa  EPDM or  Y32B
2W20 3/4" 20 9.3 0.0Mpa 1.0Mpa 1.0Mpa  or  Srainless Steel Y32B
2W25 1" 25 12 0.0Mpa 1.0Mpa 1.0Mpa VITON Y32B
AC(50VA) DC(20W)
2W32 1 1/4" 32 24 0.0Mpa 1.0Mpa 1.0Mpa Y42B
2W40 1 1/2" 40 29 0.0Mpa 1.0Mpa 1.0Mpa Y42B
2W50 2" 50 48 0.0Mpa 1.0Mpa 1.0Mpa Y42B

2W31 Normally Closed With Coil S91B / SD42B

Valve Port Orifice Cv Min Max Pressure Max Pressure Seal Body Coil
Body Size Pressure  AC(22VA) DC(17W) Material Material
2W3112 3/8" 12 4.5 0.0Mpa 1.0Mpa 1.0Mpa NBR , Brass S91B
2W3115 1/2" 15 4.5 0.0Mpa 1.0Mpa 1.0Mpa  EPDM  or S91B
2W20 3/4" 20 9.3 0.0Mpa 1.0Mpa 1.0Mpa or  Srainless Steel S91B
2W25 1" 25 12 0.0Mpa 1.0Mpa 1.0Mpa VITON S91B
AC(28VA) DC(36W)
2W32 1 1/4" 32 24 0.0Mpa 1.0Mpa 1.0Mpa S91B
2W40 1 1/2" 40 29 0.0Mpa 1.0Mpa 1.0Mpa S91B
2W50 2" 50 48 0.0Mpa 1.0Mpa 1.0Mpa S91B

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Dimension


2W DN 15 - DN 25

Body 2W12 2W15 2W20 2W25
A 68 68 68 97
B 56 56 56 76
C 100 100 107 115
D 13.5 13.5 16.5 20


2W DN 32 - DN 50

Body 2W32 2W40 2W50
A 115 122 166
B 86 93 118.5
C 148 157 182
D 24 28 36


2W31 DN 12 - DN 25

Body 2W3112 2W3115 2W3120 2W3125
A 68 68 68 95
B 56 56 56 76
C 95 95 102 115
D 13.5 13.5 16.5 20


2W21 DN 12 - DN 25

Body 2W2112 2W2115 2W2120 2W2125
A 68 68 68 95
B 56 56 56 76
C 100 100 107 115
D 13.5 13.5 16.5 20



2W21 DN 32 - DN 50

Body 2W2132 2W2140 2W2150
A 115 122 166
B 86 93 118.5
C 148 157 182
D 24 28 36