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Home > Products > Globe Valve > Bellow Sealed Globe Valve > API 304L Bellow Sealed Stop Valve

API 304L Bellow Sealed Stop Valve

Product Description

Size: 2′′-12′′ Ends Con.: RF,Rtj,Sw,Bw Trademark: fyv Origin: Wenzhou, Zhejiang Class: 150~1500 O-Ring Sealing: PTFE,NBR,Rptfe Specification: CE, SGS HS Code: 8481804090 Product Description
Leakage from the valve gland is often a problem for environment protection & sometime it is quite dangerous if such leakage is from a hazardous fluid. Bellow seal valves are designed with a bellow cartridge 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 Standard:

Products Range:
Type: Gate, Globe
Size: 2"~12"
Rating: ANSI 150lb ~ 1500lb
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Bellow Materials: Stainless steels, Inconel

Design Feature:
Formed bellow
10, 000 cycles bellow without failure
Zero stem leakage
Minimum maintenance cost
 
NO Part name Material
1 Body GS-C25 1.7363
1.4308,1.4408,1.4306,1.4301
2 Disc ASTM A182-Gr.F6a ASTM A182-F22
ASTM A182-F304,F316,F321,F304L,F316L
3 Pin ASTM A182-Gr.F6a ASTM A182-F22
ASTM A182-F304,F316,F321,F304L,F316L
4 Bellow assemble 1Cr18Ni9Ti,304,316
5 Stem ASTM A182-Gr.F6a ASTM A182-F22
ASTM A182-F304,F316,F321,F304L,F316L
6 Bonnet GS-C25 1.7363,1.4308,1.4408,1.4306,1.4301
7 Packing Flexible graphite,PTFE
8 Gland GS-C25 1.7363,1.4308,1.4408,1.4306,1.4301
9 Guide piece 25,45,304,316
10 Yoke nut ZQA19-4
11 Hand wheel WCB,QT400-18
12 Bolt ASTM A193-B7,A193-B8,A193-B8M
13 Nut ASTM A194-2H,A194 -8,A194-8M
14 Gasket Flexible graphite + stainless steel,PTFE


API 304L Bellow Sealed Stop ValveAPI 304L Bellow Sealed Stop Valve

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