Products
Maual Fully Welded Ball Valve handle operated
Size Range: DN25-DN350
Pressure: PN25
Body Materials: 20#
Seat Materials: PTFE
Stem Materials: 2Cr13
Suitable medium：Water, oil, gas, etc
Working temperature：-20℃～150℃
Application field:Municipal construction, central heating, gas pipelines, etc.
Product Details
1.Full welded structure valve body, no external leakage. Compact valve structure , easy for construction and installation.
2.Valve seat and O-ring are made of impored raw marterials. Excellent self-lubrication, low friction coefficient, high structure density and good anti-aging performance.
3.Anti blowout structure and the center shaft and the center shaft sealing system are replaceable.
4.Single side double seal valve seat (double side quadruple seal) greatly increases the service life of the valve.
5.Each valve will be inspected for shell and seal pressure before leaving factory.
Executive standard
| Name | Design and manufacture | Face to face Length | Pressure Test | End Flange |
| Reference standard | GB/T 19672 | GB/T 12221 | GB/T 13927 | GB/T 12224 |
| ASME B16.34 | ASME B16.10 | API 598 | ASME B16.25 |
| Name | 1-Body | 3-Ball | 5-Seat | 8-Stem | 14-Actuator |
| Material | 20# | 304 | PTFE | 2Cr13 | Handle/Worm Gear |
Dimensions
| DN | NPS | L | d | D1 | D | H |
| 25 | 1'' | 230 | 20 | 25 | 34 | 81 |
| 32 | 1 1/4'' | 260 | 25 | 32 | 42 | 83.5 |
| 40 | 1 1/2'' | 260 | 32 | 38 | 48 | 101.5 |
| 50 | 2'' | 300 | 40 | 48 | 60 | 129 |
| 65 | 2 1/2'' | 300 | 50 | 60 | 76 | 155 |
| 80 | 3'' | 300 | 65 | 73 | 89 | 169.5 |
| 100 | 4'' | 325 | 80 | 98 | 114 | 178.5 |
| 125 | 5'' | 325 | 100 | 125 | 141 | 194.5 |
| 150 | 6'' | 350 | 125 | 143 | 159 | 215 |
| 200 | 8'' | 400 | 150 | 199 | 219 | 269.5 |
| 250 | 10'' | 560 | 200 | 253 | 273 | 305.5 |
| 300 | 12'' | 635 | 250 | 298 | 325 | 370 |
| 350 | 14'' | 762 | 300 | 350 | 377 | 404 |
