Features:
1.Diaphragm Pilot acting for low starting pressure .
2.Temperature range:NBR -15 ºC-80 ºC VITON -10 ºC-180 ºC EPDM -5 ºC-130 ºC
3.Quick response.
4.Stainless steel stem provides exceptional durability.
5.Flange type is available for JIS 10K, ANSI 150LB and PN16.
6.Ex-proof coil T4 as optional accessory.
7.Timer for setting on/off time as optional accessory.
8.Coil nut is available.
Seal material selection guide:
| Seal | Temperature range | Suitable fluid | Unsuitable fluid |
| NBR | -15ºC - 80ºC | Air, Water, Neutral gases, Mineral oil | Fuel oil, Gasoline and Hi-test gasoline, Diesel fuel |
| VTTON | -10ºC — 180ºC | Fuel oil, Gasoline and Hi-test gasoline, Diesel fuel | Hot water, Steam, Brake oil (ATE Blue) |
| EPDM | -5ºC - 130ºC | Hot water, Detergent liquid | Mineral oil,Gasoline |
Specifications:
| Model | PU225A-03 PU225A-04 PU225A-06 | PU220A-08 |
| Port size | 3/8" | 1/2" | 3/4" | 1" |
| Fluid | Compressed air (light oil, water) | |
| Orifice | 13mm 13mm 25mm | 25mm |
| Sectional area | 88mm2 88mm2 230mm2 | 230mm2 |
| Acting | Pilot acting | |
| Construction | Diaphragm | |
| Operating pressure range | 0—10bar | |
| Proof pressure | 15 bar | |
| Body material / Flange material | Die-cast Brass / Steel | |
| Fluid temperature | -10 ºC - 90 ºC | |
| Ambient temperature | -10ºC - 60ºC | |
| Installation | Horizontal | |
| Duty cycle | 100% ED | |
| Coil type | DIN43650A | |
| Protection class | IP65 (DIN 40 050) | |
| Insulation class | F | |
| Voltage tolerance | ±10% | |
| Standard voltage | 220VAC, 110VAC, 24VDC The other voltage is optional | |
| Power consumption | AC110V:17.6VA, AC220V:18.1 VA,DC: 15W | |
| Net weight | 775g 770g 1550g | 1550g |
Explosion picture:
