Applicable Standards:
DESIGN & MANUFACTURE CONFORM WITH: API 6D/ISO 14313, ASME B16.34
CONNECTION DIMENSION CONFORMS WTIH: ASME B16.5, DN EN 1092
FIRE RESISTANCE DESIGN CONFORMS WITH: API 607/ISO 10497
INSPECTION & TEST CONFORMS WITH: API 6D, ISO 5208, API 598
MATERIAL CONFORMS WITH: ISO 15156
Features and Application:
Top Entry Combination Ball Valve
This product is a new type top entry combination ball valve, the seat can be installed and move around the body. Through the thread, the outer margin of the seat connected to the retainer ring. There is spring on the support cover, which installed on the valve body, and the retainer ring can compress spring.
The fabrication holes are on the outer margin of the seat and the retainer ring. This new type product adopts total body design, the compensation can be automatically, the possibility of leakage is small, safety in use, vibrate resistance, and double seal. The ball is installed from the top part, so can finsish the maintenance without removing the pipe, it is very convenient.
Materials of parts:
| Body | WCB/LCB/CF8M/CF8/CF3M/CF3/WC6/WC9/CD3MN |
| Lid | WCB/LCB/CF8M/CF8/CF3M/CF3/WC6/WC9/CD3MN |
| Ball | A105+ENP/LF2+ENP/F304/F316/F304L/F316L/F51 |
| Seat | A105+ENP/LF2+ENP/F304/F316/F304L/F316L/F51 |
| Stem | A105+ENP/LF2+ENP/F304/F316/F304L/F316L/F51 |
| Seat ring | PTFE/MYLON/PEEK/TEFLON |
| O-ring | VITON/NBR |
| Bolt | B7M/B8M/L7M/B16M |
| Support cover | A105+ENP/LF2+ENP/F304/F316/F304L/F316L/F51 |
| Spring | 17-4PH/17-7PH/Inconel |
| Bearing | 304+PTFE/316+PTFE |
| Gasket | Flexible graphite+PTFE |
*Materials could be choosed according to customers’ requirement & working condition.
Additional information:
| Size | NPS 2"~24 |
| Pressure Rating | Class 150~2500 |
| Material | WCB, LCB, CF8, CF8M, CF3, CF3M, A105, LF2, F304, F316, F304L, F316L |
| Design & Manufacturing Standard | API 608, API 6D, BS 5351, ASME B 16.34 |
| Face to Face | ASME B 16.10, API 6D |
| End Connection | ASME B16.5, ASME B 16.47, ASME B 16.25 |
| Test and Inspection | ISO5208, API 6D |
| Operation Method | Manual, Worm Gear, Electric Actuator, Pneumatic Actuator |
GCGV's registered capital is 228.80 million yuan, covering an area of 22300m². There are more than 200 employees, of which more than 30% have a college degree or above, including 25 senior and intermediate technicians. The company has machining centers, CNC lathes, CNC vertical lathes,
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