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Carbon Steel Class 900 Trunnion Mounted Ball Valve 8" WCB Class 900 Ball Valve

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ZIGONG WEITE VALVE MFG CO., LTD

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Carbon Steel Class 900 Trunnion Mounted Ball Valve 8" WCB Class 900 Ball Valve

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Brand Name :	VT
Certification :	API 6D, API 607,TS, ISO 9001,
Price :	negotiated
Payment Terms :	L/C, T/T
Supply Ability :	10000 Set Per Year

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Carbon Steel Class 900 Trunnion Mounted Ball Valve 8" WCB Class 900 Ball Valve

8'' Class 900 Carbon Steel Trunnion Mounted Ball Valve Body WCB

Product Description

It is suitable for long-distance pipelines and general industrial pipelines, and its strength, safety, and resistance to harsh

environments have been specially considered in the design.

Trunnion Mounted Ball Valve Test Procedure

HYDROSTATIC SEAL TEST API 6D 10.3 and 10.4
Sequence	Area Pressure		Duration(min)		Description
SHELL TEST	A	1.5xPN	6″-10″	5	1. Valve in partial open. 2. Set the pressure to 150% PN. 3. Reduce the pressure to 50% PN. 4. Reset the pressure to 150% PN. 5. Hold the pressure for the duration of testing.
	B	1.5xPN	12″-18″	15
	C	1.5xPN	20″-60″	30
SEAT TEST	A	1.1xPN	5		Seat hydrostatic seal at A end towards body B
	B	Atmospheric
	C	Atmospheric
	A	Atmospheric	5		Seat hydro seal at C end towards body B
	B	Atmospheric
	C	1.1xPN
	A	1.1xPN	5		Seat hydro seal test for both A and C
	B	Atmospheric
	C	1.1xPN
AIR SEAL TEST API 6D 10.4
SEAT TEST	A	Atmospheric	5		Seat air seal test at A end towards body B
	B	Atmospheric
	C	80PSLG(5.5bar)
	A	80PSLG(5.5bar)	5		Seat air seal test at C end towards body B
	B	80PSLG(5.5bar)
	C	Atmospheric

Weite Valve

Zigong Weite Valve Manufacturing Co., Ltd. has successfully developed a wide range of advanced inspection and testing equipment from control of casting blanks and forgings to final product quality. Due to our long-term pursuit and control of quality, our products have good sealing performance, flexible use and long service life, and have won more recognition from end customers.

Carbon Steel Class 900 Trunnion Mounted Ball Valve 8" WCB Class 900 Ball Valve

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