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
- Swing type disc
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 ~ 120 °C |
Materials
| No. | Parts | Material |
|---|---|---|
| 1 | Body | Brass (HPB57-3) |
| 2 | Bonnet | Brass (HPB57-3) |
| 3 | Disc | Brass (HPB57-3) |
| 4 | Copper rod | Brass (HPB57-3) |
| 5 | Nut | Brass (HPB57-3) |
| 6 | Packing gland | Polysulfone |
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 |
|---|---|---|---|---|---|---|---|---|---|
| L | 52.5 | 57 | 66 | 74 | 79.5 | 91.5 | 112 | 139 | 173 |
| L1 | 15.5 | 12.5 | 14 | 15.5 | 16.5 | 19 | 19 | 20 | 26 |
| d | 13.5 | 18 | 24 | 27 | 35.5 | 41 | 53 | 66 | 90 |
| H | 35.5 | 39.5 | 45.5 | 53.5 | 58 | 63 | 79 | 87 | 106 |
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