National standard cast steel gate valve
￥680
Z41H-16C National Standard Cast Steel Gate Valve - Implementation Standards
Design and Manufacturing | Structural Length | Flange Dimensions | Pressure-Temperature | Test and Inspection |
GB12234 | GB12221 | GB9113 JB79 | GB9131 | GB/T13927 JB/T9092 |
Z41H-16C National Standard Cast Steel Gate Valve - Pressure Test
Nominal Pressure | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
Strength Test | 2.4 | 3.8 | 6.0 | 9.6 | 15.0 | 24.0 |
Water Sealing Test | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 | 18.0 |
Upper Sealing Test | 1.8 | 2.8 | 4.4 | 7.04 | 11.0 | 18.0 |
Air Sealing Test | 0.4-0.7 | |||||
| Machinery & Equipment/Valves/Gate Valves | |
