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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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Metal Seated BS 1873 Globe Valve Renewable Disc , API6D Design Standard

Metal Seated BS 1873 Globe Valve Renewable Disc , API6D Design Standard

  • Metal Seated BS 1873 Globe Valve Renewable Disc , API6D Design Standard
  • Metal Seated BS 1873 Globe Valve Renewable Disc , API6D Design Standard
Metal Seated BS 1873 Globe Valve Renewable Disc , API6D Design Standard
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
Operation: Hand Wheel / Gear / Electrical / Pneumatic MATERIAL: Carbon / Stainless / Alloy Steel
Design Standard: API6D Calss: 150# ~ 2500#
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flanged globe valve

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rising stem globe valve

RTJ SW CS SS BS1873 Globe Valve WCB WCC WC6 WC9 Renewable Disc Metal Seated
 
Globe Valve 
 
Globe valves are often used for throttling, and the most common design is the T pattern body (Figure 1).
However, the two 90° turns made by the flow before and after the plug plus the narrow flow path in the centre of the valve below the plug result in a substantial pressure drop.
 
If the pressure in a liquid flow at the narrow area below the plug drops below the vapour pressure, bubbles of gas can vaporise from the liquid in a process called "flashing".
 
When these bubbles recover pressure they collapse firmly in a way that creates pressure waves.
It is these pressure waves can cause damage to the seat, plug and body of the globe valves.
 
Description
  • Globe valve is a type of valve with spherical body shapeenclosing the valve seat and a movable valve disc.
  • It is available in ½” to 24” size with pressure ratings of 150#, 300#, 600#, 800#, 900#, 1500#, and 2500#. The end connections for globe valve also come in varieties which are Raised Faced Flanged, Socket Weld, NPT/Thread, and Butt Weld.
  • Globe valves are commonly used as an on or off valve, but they also may be used for throttling systems.
  • The gradual change in spacing between the disk and seat ring gives the globe valve good throttling ability.
Operation
  • Globe valves have a disk which can completely open or completely close the flow path.
  • The annular space between the disc and seat ring gradually changes to allow fluid flow through the valve.
  • For low temperature applications, globe valves are ordinarily installed so that pressure is under the disc. This promotes easy operation, helps protect the packing, and eliminates a certain amount of erosive action to the seat and disc faces.
  • For high temperature steam service, globe valves are installed so that pressure is above the disc. Otherwise, the stem will contract upon cooling and tend to lift the disc off the seat.
Metal Seated BS 1873 Globe Valve Renewable Disc , API6D Design Standard 0
 
  Material of Construction  
  Cast Carbon Steel ASTM A 216 Gr WCB
  Cast Stainless Steel ASTM A 351 Gr CF 8/CF 8M
  Forged Carbon Steel ASTM A 105
  Forged Stainless Steel  ASTM A 182 Gr F304 / F316
  End Connection Screwed AS PER BSP/BSPT/NPT
  Socketweld AS PER ANSI B 16.11
  Flanged AS PER ANSI B 16.5
  Pressure Rating ASA 125#, 150#, 300#, 600#, 800#, PN 16 & PN 40
  Engineering Option Gear Operated, Electrical Actuated,
  Size Range 15mm to 300 mm

 

Design & Testing International Standard

  Valve Design BS 5351 / ANSI B 16.34 / API 6D
  Pressure Testing BS 6755-I
  Face To Face ANSI B 16.10
  Flange Drilling ANSI B 16.5 / BS 10 Table / DIN / IS 6392
  Butt Weld End ANSI B 16.25
  Socket Weld End ANSI B 16.11
  Screwed End ANSI B 1.20.1(BSP/NPT)
 
Metal Seated BS 1873 Globe Valve Renewable Disc , API6D Design Standard 1
 

Contact Details
Wenzhou Goldtop Valve Co.LTD

Contact Person: sales

Tel: +8613758447235

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Wenzhou Goldtop Valve Co.LTD
Tel:86-577-86621729
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