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DIN Bellow Seal Globe Valve

DIN bellow seal globe valve that its opening and closing is plug valve, sealing surface appears flat or cone, disc make linear movement along the center-line of fluid. Stem form of exercise, there is lifting lever (valve rod, the hand wheel (not lifting), there are also lift rotating lever (hand wheel rotating lifting with the valve stem and nut in the body). Globe valve is used for full open and closed,but not to adjust the flux. DIN Bellows Seal Globe Valve is a new kind of globe valves with dual-seal. So its sealing is very good. The sealing surface is bead welding with hard alloy and the stem surface is in"nitrogen treatment". Hence it is the valve of attrition-resistant, good anti-corrosion performance and long service life.
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DIN bellow seal globe valve
WCB bellow seal globe valve
cast steel bellow seal globe valve
DIN bellow seal globe valve
WCB bellow seal globe valve
cast steel bellow seal globe valve

DIN bellow seal globe valve description

Body forms:Straight pattern body, Y-pattern body, Angle pattern body Basic shell

material:Low temperature carbon steel, Carbon steel, High temperature carbon steel, Stainless steel, High temperature stainless steel, High chromium stainless steel, Hastelloy, Inconel, Pure nickel, Titanium, Other special alloys.

Connections:Flanged ends, Butt welding ends, Socket welding ends, Threaded ends, Other requirements

Operation:Handwheel, Lever, Chainwheel, Gear operator, Pneumatic piston actuator, Pneumatic diaphragm actuator, Electric actuator

Bellows seal Globe Valve Mediums: Steam, gases, hot water, thermal oil, process water, vacuum facilities, ammonia etc.

Material : GP240GH (1.0619/GS-C25),G-X6CrNi18.9(1.4308),G-X6CrNiMo18.10 (1.4408)

Advantage：

  1. Bellow seal element. The key part of bellow sealed globe valves is metal bellow. It is the connection between cover and stem with automatic roll welding. The metal bellow can keep the stem part no leakage.
  2. Benefit from the con and streamline shape design, the disc has a reliable seal and longer service life.
  3. Double seal design(bellows+packing). Bellow and packing can protect against leakage and provide a excellent seal.
  4. Grease nipple. It can direct lubricate the stem, nut and sleeve.
  5. Ergonomic hand wheel. It provide longer service life and easier operation.

DIN standard bellow seal globe valve features

  • Bolted bonnet
  • Pressure seal bonnet
  • Thread in or welded bonnet
  • Cast or forged
  • Welded seats
  • “Y” design or stranght pattern
  • Cryogenic design with extended bonnet
  • Flat, parabolic or spheric seat
  • Stop check design available
  • Soft seat design available

Technical Specification

  1. Design Standard: DIN3356 EN 13709-2003
  2. Face to Face Dimensions: DIN3202 EN588-1: 1995
  3. End Flange Dimension: DIN EN 1092-1: 2002
  4. Test Standard: DIN3230 EN 12266: 2003
Testing Pressure(Bar)-DIN3230
Class:PN16 Shell Seat
Hydrostatic 22 17.5bar
Air   6 bar
Holding time size Time(sec) size Time(sec)
DN15-DN50 60 DIN15-DN200 60
DN65-DN200 120 DN250&over 120
DN250&over 300
Rated Pressure Max.&Min.Design Temperature
Min working Temperature -29~38℃
Max working temperature 425℃ /3.5bar
Applicable Medium W.O.G etc

DIN standard bellow seal globe valve main material list

DIN Bellow Seal Globe Valve No. Parts Material
17 Lock Nut 35#
16 Handwheel Cast iron
15 Stem Nut Copper Alloy
14 Guide piece 35#
13 Pin A276 410
12 Packing Gland A276 410
11 Packing Graphite
10 Bolt A193 B7
9 Nut A194 2H
8 Bonnet GS-C25
7 Bellows cover SS304
6 Gasket SS+Graphite
5 Bellows SS304
4 Stem 2Cr13
3 Disc WCB+Cr3
2 Seat 13Cr
1 Body GS-C25

Bellow

globe valve

 Fig No.DJ41H-16C
OS&Y,BB，RF，END
Body GS-C25 Trim:13Cr

DIN standard bellow seal globe valve dimension (PN16bar)

Item JW41-16
Pressure rating PN16
Diameter 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350
L 130 150 160 180 200 230 290 310 350 400 480 600 730 850 980
H 195 200 220 225 235 250 260 265 370 400 515 550 600 630 680
Do 130 130 130 130 150 150 180 180 200 200 400 450 450 500 500
weight(Kg) 4 4.5 5 7 9 12.5 18 23 41 54 90 160 260 410 610

DIN standard bellow seal globe valve dimension (PN25bar)

Item JW41-25
pressure rating PN25
Diameter 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350
L 130 150 160 180 200 230 290 310 350 400 480 600 730 850 980
H 195 200 220 225 235 250 260 265 370 400 515 550 600 630 680
Do 130 130 130 130 150 150 180 180 200 200 400 450 450 500 450
Weight(Kg) 4 4.5 5 7 9.5 13 19 24 43 57 95 168 300 510 680

DIN standard bellow seal globe valve (PN40bar)

Item JW41-40
pressure rating PN40
Diameter 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350
L 130 150 160 180 200 230 290 310 350 400 480 600 730 850 980
H 195 200 220 225 235 250 260 265 370 400 515 550 600 630 680
Do 130 130 130 130 150 150 180 180 200 200 400 450 450 500 500
Weight(Kg) 4 4.5 5 8 10 13.5 20 25 45 60 98 171 340 580 780

For more details, please download the catalogue for reference or contact with us.

Wenzhou Topnotch Machine Co.,Ltd is a professional leader China DIN bellow seal globe valve ,DIN bellow seal globe valve,WCB bellow seal globe valve,cast steel bellow seal globe valve,stainless steel bellow globe valve,Bellow seal globe valve manufacturer with high quality and low price.Welcome to contact us!

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