General use for water, air, gas, oil

2W31 Series Diaphragm Direct Lifting, 3/8—2” 2WAY NC/NO

Characteristic:  1. Direct lifting diaphragm construction;
                             2. Open from zero bar for low pressure system use;
                             3. High frequency of flying lead coil.
Medium:             Air, City Gas, Water, Oil, Petroleum, etc.
Temperature:     NBR Seal: -10℃ to 80℃
                             EPDM Seal: -30℃ to 120℃
                             VITON Seal: -30℃ to 150℃
Pressure:          2W31: 0 ~ 10bar N.C
Port Size:           3/8", 1/ 2", 3/4", 1", 1 1/4", 1 1/2", 2"
Port Thread:      G, BSP, NPT, Flange
Orifice (mm):    12, 15, 20, 25, 32, 40, 50
Voltage:              DC - 12V, 24V
                           AC - 24V, 120V, 240V/60Hz; 110V, 220V/50Hz
Tolerance:        +/- 10%
Coils:                Y32B, 40VA (AC), 18W (DC), IP65, 100%ED
                           Y42B, 50VA (AC), 20W (DC), IP65, 100%ED
                           S51B: 30VA (AC), 24W (DC), IP65, 100%ED
                           S91B: 22VA (AC), 17W (DC), IP65, 100%ED
                           SD01B: 28VA (AC), 36W (DC), IP65, 100%ED
Material:           Body- Brass or Stainless Steel
                          Seal -NBR, EPDM or VITON
                          Armature Tube- Stainless Steel 304
                          Plunger- Stainless Steel 430F
                          Stop- Stainless Steel 430F
                          Springs- SS 304
                          Shading Rings- Copper
2W31 Normally Closed, with Coil S91B/SD01B

Valve Body	Port Size	Orifice	Cv	Min Pressure(bar)	Max Pressure(bar)		Coil
					AC(40VA)	DC(18W)	S91B
2W3112XXX	3/8″	12	4.5	0	10	10	S91B
2W3115XXX	1/2″	15	4.5	0	10	10	S91B
2W3120XXX	3/4″	20	9.3	0	10	10	S91B
2W3125XXX	1″	25	12	0	10	10	S91B
					AC(28VA)	DC(36W)
2W3132XXX	1 1/4″	32	24	0	10	10	S91B
2W3140XXX	1 1/2″	40	29	0	10	10	S91B
2W3150XXX	2″	50	48	0	10	10	S91B