Top Entry Combination Ball Valve_Top Entry Ball Valve_Ball Valve_Products_Guocheng Valve Group (SUZHOU) Co., Ltd.
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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:

Ganua ur DondekulFarsai ili
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:

BodyWCB/LCB/CF8M/CF8/CF3M/CF3/WC6/WC9/CD3MN
LidWCB/LCB/CF8M/CF8/CF3M/CF3/WC6/WC9/CD3MN
BallA105+ENP/LF2+ENP/F304/F316/F304L/F316L/F51
SeatA105+ENP/LF2+ENP/F304/F316/F304L/F316L/F51
StemA105+ENP/LF2+ENP/F304/F316/F304L/F316L/F51
Seat ringPTFE/MYLON/PEEK/TEFLON
O-ringVITON/NBR
BoltB7M/B8M/L7M/B16M
Support coverA105+ENP/LF2+ENP/F304/F316/F304L/F316L/F51
Spring17-4PH/17-7PH/Inconel
Bearing304+PTFE/316+PTFE
GasketFlexible graphite+PTFE

* Materials could be choosed according to customers’ requirement & working condition.


Additional information:

SizeNPS 2"~24
Pressure RatingClass 150~2500
MaterialWCB, LCB, CF8, CF8M, CF3, CF3M, A105, LF2, F304, F316, F304L, F316L
Design & Manufacturing StandardAPI 608, API 6D, BS 5351, ASME B 16.34
aligpou aligASME B 16.10, API 6D
End ConnectionASME B16.5, ASME B 16.47, ASME B 16.25
Test and InspectionISO5208, API 6D
Operation MethodManual, Worm Gear, Electric Actuator, Pneumatic Actuator


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