Specification Standard
- Pipe thread end is according : ISO 228 (DIN 259) BS 21 (JIS B0203)
Features
- Screwed end BSPT/PP connection
- Forged brass
- The valve are designed to prevent reverse flow automatically
- Spring in stainless steel
- Stem in brass
- Spring load type disc
- Filter in stainless steel
Application
- For general and industrial services
- Applicable medium:water, oil, & non-corrosive and non-combustible gas
| Test Requirements | |
|---|---|
| Working Pressure | 150 PSI (10 Bar) |
| Maximum Pressure | 232 PSI (16 Bar) |
| Shell Test Pressure | 300 PSI (21 Bar) |
| Applicable Temperature | -20 ~ 80 °C |
Materials
| No. | Parts | Material |
|---|---|---|
| 1 | Body | Brass (HPB57-3) |
| 2 | Spring | Stainless steel |
| 3 | Piston | Brass (HPB57-3) |
| 4 | Spring-board | Brass (HPB57-3) |
| 5 | Seal gasket | NBR / EPDM |
| 6 | Bonnet | Brass (HPB57-3) |
| 7 | Bonnet | ABS |
| 9 | Filter | Stainless steel |
Dimensions
หน่วย mm
| Size | 1/2 นิ้ว | 3/4 นิ้ว | 1 นิ้ว | 1.25 นิ้ว | 1.5 นิ้ว | 2 นิ้ว | 2.5 นิ้ว | 3 นิ้ว | 4 นิ้ว |
|---|---|---|---|---|---|---|---|---|---|
| D | 33.5 | 40 | 45.5 | 57.5 | 67 | 80 | 97.5 | 111 | 140 |
| H | 75.5 | 85.5 | 99.5 | 110.5 | 128.5 | 145.5 | 170 | 186.5 | 223.5 |
| PN | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| t | 11.5 | 12.5 | 15 | 16 | 16 | 18 | 22.5 | 24.2 | 26 |
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