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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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DIN Straight Pattern Flanged Cast Steel Globe Valve Metal Seat PN40 With Dual Seal 1.4308

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DIN Straight Pattern Flanged Cast Steel Globe Valve Metal Seat PN40 With Dual Seal 1.4308

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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

Inspection and Test : DIN3230

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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DIN Straight Pattern Flanged Cast Steel Globe Valve Metal Seat PN40 With Dual Seal 1.4308
DIN Flanged Cast Steel Bellows Seal Globe Valve
Introduction
The DIN flange cast steel bellows seal globe valve is named for its spherical body shape with two halves of the body being separated by an internal baffle. Featured by long service life and good sealing performance, bellows sealed globe valves are broadly applied in mining, petroleum coke, oil, sewage, metallurgy, chemical, and other fields. Basic construction includes a body, disc, bellow, stem and pin. Most of them are made of CrNiMo, CrNi, or Cr. The disc moves along seat central line, making the changes of valve seat in direct proportion to disc stroke.
Advantages of Cast Steel Globe Valve
1. The surface of DIN flange cast steel bellows seal globe valve is polished twice, thus gloss and smooth.
2. There is little friction between sealing faces.
3. Precision casting body and CNC treated disc offer accurate and efficient regulation and throttling for pipelines.
4. Different from ball valve, globe valve is very effective in regulating flow in a pipeline.
Features of Cast Steel Globe Valve
1. Compared with gate valve, DIN flange cast steel bellows seal globe valve has a simpler structure and needs fewer repairs.
2. When bellows sealed globe valves are on and off, the stroke of disc is not long. As a result, globe valve height is lower than that of gate valve, but the structure is a bit longer.
3. Now that there is no relative sliding between disc and valve sealing face, abrasion and scratch are not serious.
4. The valve stem axis of DIN flange cast steel bellows seal globe valve is vertical to valve seat sealing face.
5. When the nominal pressure of medium flow direction is below 16MPa, medium flows up from lower disc. When it exceeds 20MPa, medium flows down from upper disc, strengthening sealing performance. When in operation, flow direction is one way and is unchangeable.
6. Medium passway is zigzag inside valve body. Therefore, the hydraulic resistance is large, consuming quite a bit energy.
Parameters
No.
Part Name
Material about DIN Flange Cast Steel Globe Valve
GS-C25
1.4308
1.4408
1.4306
1.4435
1
Body
GS-C25
G-X6crni 18 9
G-X6crnimo 18 10
G-X2crni18 9
G-X2crnimo17 122
2
Disc
1.4006
X10Cr13
1.4301
X5crni18 10
1.4401
X3crnimo17 132
1.4306
X2crni19 11
1.4435
X2crnimo17 122
3
Pin
1.4001
X7Cr13
1.4001
X7Cr13
1.4301
X5crni18 10
1.4301
X5crni18 10
4
Bellow Assemble
1.4878
X12crniti18 9
1.4401
X3crnimo17 132
1.4306
X2crni19 11
1.4435
X2crnimo17 122
5
Stem
1.4006
X10Cr13
1.4301
X5crni18 10
1.4401
X3crnimo17 132
1.4401
X3crnimo17 132
1.4435
X2crnimo17 122
Structure Diagram of Bellows Sealed Globe Valves
DIN Flanged Cast Steel Bellows Seal Globe Valve



























Product Tags:

bellow seal globe valve

      

gear operated globe valve

      
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