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Wenzhou Goldtop Valve Co.LTD
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,Gate globe check valve ,butterfly valve ,etc.Surely we can design them by customer's special requirements.

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Cryogenic Full Port Globe Valve Extension Stem PTFE RPTFE Seat Alloy Duplex Steel

Cryogenic Full Port Globe Valve Extension Stem PTFE RPTFE Seat Alloy Duplex Steel

  • Cryogenic Full Port Globe Valve Extension Stem PTFE RPTFE Seat Alloy Duplex Steel
  • Cryogenic Full Port Globe Valve Extension Stem PTFE RPTFE Seat Alloy Duplex Steel
Cryogenic Full Port Globe Valve Extension Stem PTFE RPTFE Seat Alloy Duplex Steel
Product Details:
Place of Origin: 中国
Brand Name: GOLD TOP
Certification: BS1873
Payment & Shipping Terms:
Minimum Order Quantity: 1 pcs
Price: Negotiation
Packaging Details: Plywood Case
Delivery Time: 30 days
Supply Ability: 100+pcs+30 days
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Detailed Product Description
Size: 2''-48'' End Connection: RF / RTJ / BW
Inspection: API 598 Material: Cryogenic / Stainless / Alloy / Duplex Steel
Design Standard: BS1873 Calss: 150# ~ 2500#
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rising stem globe valve

,

bolted bonnet globe valve

Cryogenic Full Port Globe Valve Extension Stem PTFE RPTFE Seat Alloy Duplex Steel

 

Cryogenic globe valve

 
Cryogenic valves are specially designed for gas treatment processes and storage and transportation of liquefied gasses such as LNG, liquid nitrogen, Oxygen,. Etc. These valves are required to be operated to give assured leakage rates. These valves which are recommended to use below -50⁰C are designed with a extended bonnet which separates the operator and stem seal from the cold temperature. 12” gas column is a standard feature for these valves. Extended bonnet as per MESC SPE 77/200 & SPE 77/209 can also be given.
 
The main pressure containing components are treated with liquid nitrogen to stabilize dimensions and eliminate the stress caused by metal microstructure changes. Lip seals are used as a seals in these valves which are made up of different materials such as PTFE, KEL-F, etc, and it is self energized by an internal spring of stainless or Inconel alloy.
 
Applicable Standard
Design Standard: API 600, ASME B16.34, BS 5352, DIN3352
Face to Face: ASME B16.10, EN 558, DIN3202
End Flange: ASME B16.5, DIN2533
Butt welding Ends: ASME B16.25, DIN3239
Socket Welded Ends: ASME B16.11
Threaded Ends: ASME B1.20.1
Inspection and Test: API 598, DIN 3202
Size: 2" ~ 48"
Rating: ANSI 150lb ~ 2500lb (PN 1.0 ~ PN 320)
Body Material: Cryogenic Steel, Stainless Steel, Alloy Steel, Duplex Steel.
Trim: Per API 600
Operation: Handwheel
Full port or reduced port design
General or needle disc
Bolted bonnet, welded bonnet, or pressure sealed bonnet
 
material specifications
NO.
Part Name
AS to ASTM
SS to ASTM
Type A350 LCB
Type A350 LCB
Type A182 304
Type A182 316(L)
1
Body
A350 LCB
A350 LF3
A182 F=304(L)
A182 316(L)
2
Disc
A276 410
A276 304(L)
A276 304(L)
A276 316(L)
3
Bonnet
A350 LCB
A350 LF3
A182 F304(L)
A182 F316(L)
4
Gasket
Corrugated SS + graphite
SS + PTFE
5
Bold Nut
A193 B7
A193 B7
A193 B8
A193 B8M
6
Stem
A182 F6
A182 F6
A182 F304(L)
A182 F316(L)
7
Stem Packing
Flexible graphite
PTFE
8
Gland
A276 420
A182 F304
9
Pin
A276 420
A182 F304
10
Gland Eyebolt
A193 B7
A193 B16
A193 B8
A193 B8M
11
Gland Flange
A216 WCB
A351 CF8
12
Gland Nut
A194 2H
A194 4
A194 8
A194 8M
13
Yoke Nut
A276 410
14
Hand wheel
A197
15
Nameplate
SS
16
H.W. Nut
A194 2H
A194 4
A194 8
A194 8M
Suitable Temperature
40℃
101℃
196℃
Note: Other materials are available upon request.
 
 

Cryogenic Full Port Globe Valve Extension Stem PTFE RPTFE Seat Alloy Duplex Steel 0

 
 
 

Contact Details
Wenzhou Goldtop Valve Co.LTD

Contact Person: sales

Tel: +8613758447235

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Tel:86-577-86621729
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