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Wenzhou Goldtop Valve Co.LTD
Gold top valve located in Oubei Town, Wenzhou, China,where can make all kinds of precision balls,including top entry,metal seat and V type balls.On this base,our products range of floating,trunnion
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BB-BG-OS&Y Bellow Globe Valve Gear Pneumatic DIN3356 BW Hasteloy Out Blowing

Wenzhou Goldtop Valve Co.LTD
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BB-BG-OS&Y Bellow Globe Valve Gear Pneumatic DIN3356 BW Hasteloy Out Blowing

Brand Name : GOLD TOP
Certification : DIN3356
Place of Origin : 中国
MOQ : 1 pcs
Price : Negotiation
Supply Ability : 100+pcs+30 days
Delivery Time : 30 days
Packaging Details : Plywood Case
Structural formation : BB-BG-OS&Y
Design Standard : DIN3356
Face to Face : DIN3202
Flange Standard : DIN2543-2545
Temperature : -29~350℃-29~350℃
Medium : Electrical Station / Natural Gas / Hot-Water Etc
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BB-BG-OS&Y Bellow Globe Valve Gear Pneumatic DIN3356 BW Hasteloy Out Blowing Safe Stem
Bellow Globe Valve
Purpose
Globe valve with bellow seal acc.to ANSI is applicable to the cutting and connection of pipelines medlum that are used in various indus-tries such as peroleum,chemical industry,pharmacy.chemical fertilizer,electric power industry etc under nominal pressure of CLASS150-1500LBS and working temperature of-29-350.
Structural features
1.This product has logical structure.reliable seal.excellent performance and nice design.
2.The seal surface is build-up welding with Co hard alloy,which is attrition-resistant,corrosion-resistant,has good friction resistant and long life.
3.The stem is quenched and tempered.and its surface is treated by nitriding treatment,thus it has good corrosion resistant and friction resistant.
4.It has double seal capability.thus is more reliable.
5.The stem may show the position of lift,thus it is chearer.
6.The part material,flange and butt weld end dimension may be selected accordng to current operating condition and users'requirement,so that meet the requirements of various engineering.
Technical specification
Structural formation: BB-BG-OS&Y
Driving manner: Hand-operated Electric-actuated
Design standard: DIN3356
Face to face: DIN3202
Flange ends: DIN2543-2545
Test & inspection: DIN3230
Notes: The size of serial, valve connecting flange can be design according to customers requirement,
Products performance specification
Nominal pressure(MPa)
Shell test(MPa)
Sealing test(MPa)
Suitable temp.(℃)
Suitable medium
1.6
2.4
1.76
≤350℃
Water oil & gas
2.5
3.75
2.75
4.0
6.0
4.4
6.4
9.6
7.04
Main parts materials
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

Product Tags:

bellow seal globe valve

      

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BB-BG-OS&Y Bellow Globe Valve Gear Pneumatic DIN3356 BW Hasteloy Out Blowing Images

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