Cryogenic service ball valve

Description

Construction is as follows

Name	Cryogenic Ball Valve
Size	DN15-DN300
Normal pressure	Class 150/300/600/; PN16/PN25/PN40/PN100
Design standard	BS 6364,Mesc Spe 77 / 200,JB/T7749,API 608,API 6D,ASME B16.34, MSS SP-72; BS5351,ISO17292,EN13709,GB / T 24925,
Marked	MSS SP-25
Fire safe design	API607,API 6FA
End flange	ANSI B 16.5,ASME B16.47; EN1092,DIN2543~DIN2547,AS2129
Face to Face	ANSI B 16.10,API 6D; DIN3202,EN558-1,EN12982,ISO 5752
Top flange	ISO 5211
Test standard	BS 6364,Mesc Spe 77 / 200,JB/T7749,API598,API6D;DIN3230, EN12266,ISO 5208
Inspection and Test Features	Nitrogen gas test in ambient temperature Nitrogen gas test in low temperature Low emission test
Suitable temperature	-196~150°C
Medium	Ethylene, oxygen, hydrogen, liquefied natural gas, LPG
Acidic environment	NACE MR0175
Operation	Hand Operated,Gear Operated, Electrical Actuated, Pheumatic Actuated

Structure

– Full Port or Reduce Port

– Split Body

– Extended packing

– Bolted Bonnet with spiral-would gasket

– Material fit for cryogenic application

– Fire Safe Design

– Anti-static Design & Blow-out proof stem

– Double seat structure

– Different construction fit for diversified process

– Reliable sealing construction

– Butt Weld Ends to ASME B16.25; DIN 3239,EN12627

– Flanged Ends to ASME B16.5; EN1092,DIN2543~DIN2547

Main Part & Materials

Part Names	Part Materials
Body	LCB	CF8	CF8M	F304	F316
Bonnet	LCB	CF8	CF8M	F304	F316
Ball	SS304	SS304	SS316	F304	F316
Stem	F304	F304	F316	F304	F316
Seat/Seat Ring	SS304	SS304	SS316	SS304	SS316
Seal Ring	RPTFE/PTFE/PEEK/NYLON/DELRIN
Packing	Graphite/PTFE
Gasket	SS304+Graphite/SS316+Graphite
Bolts/Nuts	L7/4	B8/8	B8M/8M	B8/8	B8M/8M
Suitable Medium	Ethylene, oxygen, hydrogen, liquefied natural gas, LPG
Suitable Temperature	-46~150°C	-196~150 °C	-196~150 °C	-196~150 °C	-196~150 °C