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DIN Straight Pattern Bellow Seal Globe Valve , Threaded Globe Valve Light Weight

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DIN Straight Pattern Bellow Seal Globe Valve , Threaded Globe Valve Light Weight

China DIN Straight Pattern Bellow Seal Globe Valve , Threaded Globe Valve Light Weight supplier
DIN Straight Pattern Bellow Seal Globe Valve , Threaded Globe Valve Light Weight supplier DIN Straight Pattern Bellow Seal Globe Valve , Threaded Globe Valve Light Weight supplier DIN Straight Pattern Bellow Seal Globe Valve , Threaded Globe Valve Light Weight supplier

Large Image :  DIN Straight Pattern Bellow Seal Globe Valve , Threaded Globe Valve Light Weight

Product Details:

Place of Origin: CHINA
Brand Name: KIRI or OEM
Certification: CE;ISO
Model Number: J41W

Payment & Shipping Terms:

Minimum Order Quantity: 1PCS
Price: Negotiable
Packaging Details: wooden case packing or as required
Delivery Time: 28days
Payment Terms: T/T, Western Union, PayPal, etc. 30% prepayment, 70% balance paid before shipping or against copy of BL
Supply Ability: 1000pcs/week
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Detailed Product Description
Material: ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB Szie: 1-1/2"-12"
Media: Oil, Gas, Water, Steam, Acids Operation: Handwheel
Pressure: 150lb-1500lb Package: Wooden Case Packing Or As Required
Connection End Type: Bolted Bonnet Socket-Welding End, Threaded End, Flange End, Socket-Welding & Threaded End (to Order)

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 Straight Pattern Bellow Seal Globe Valve , Threaded Globe Valve Light Weight

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