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Bellow Gate Valve 4Inch 300LB WCB

API600 Bellow Extended Gate Valve

4Inch,300LB,WCB,SS316+STL,Handwheel

Manufacture STAVAL Factory Offers

Size Range:
2Inch ~ 60Inch (DN50 ~ DN1000)
Pressure Range:
150LB ~ 2500LB (PN16 ~ PN420)
Material Range:
Carbon/Stainless/Alloy Steel,Bronze
Construction:
Rising Stem, Bolt/Weld Bonnet,Flexible/Solid Wedge
Bore:
Full Bore, Reduce Bore
End Connection:
BW, Flange
Working Temp.:
-196°C to +600°C

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Product Details

General Description:

Leakage from the valve gland (stem packing) is often a problem for environmental protection & sometime it is quite dangerous if such leakage is from a hazardous fluid or gas. STAVAL bellow sealed valves are designed with a bellow cartridge which welded to the valve bonnet and stem, so that when the stem up & down movement makes the bellows expands & compress. Therefore there is no sliding or rotating seals through which process fluid can leak.

Design Feature:

Zero stem emission,Flexible wedge,Graphite stem packing secondary seal,Threaded or welded seat ring,5,000 cycles bellow without failure

Application:

Refinery,Petrochemical,Solar energy power plant,Hot oil, steam supply,General Chemical Industry

Key Specification

Type	Bellow Gate Valve
Size	4Inch
Pressure	150LB
Construction	Bellow Seal, Extended Stem, Bolt Bonnet, Full Bore
Connection	RF End
Body/Bonnet Material	A216 WCB
Wedge Material	A351 CF3
Bellow Material	A182 F316
Stem Material	A182 F316
Seat Material	A351 CF3+STL
Bolt/Nut	B7/2H
Design Standard	API600
Face to Face Dimension	ASME B16.10
End Connection	ASMEB 16.5
Inspection & Test Std.	API598
Temperature Range	-29℃~+425℃
Medium	Oil, Water, Gas

EN10204 3.1 Certificate Issued By STAVAL

Inspection Report Issued By STAVAL

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