DIN Bellows Seal Globe Valve

DIN Bellows Seal Globe Valve

Specification

DIN EN Pressure PN 16 (1.6 MPa) - PN 40 (4.0 MPa); 15 mm - 350 mm (1/2″ - 14″)

Bolted Bonnet (BB), Bolted Gland (BG), Outside Screw & Yoke (OS & Y); Butt Welded (BW), Raised Flanged (RF), Ring Joint Flanged (RTJ), Flat Face Flanged (FF), Male & Female Face Flange (M&F)

DIN Bellows Seal Globe Valve

DIN bellows seal globe valve bellow seal acc. to DIN EN is applicable to the cutting and connection of pipelines medium that are used in various industries such as petroleum chemical industry, pharmacy, chemical fertilizer, electric power industry etc under nominal pressure of PN1.6-16MPa and working temperature of -29°C - 350°C

Structural Formation: BB-BG-OS & Y
Driving Manner: Hand-operated Electric-actuated
Design Standard: DIN 3356
Face to Face: DIN 3202
Flange Ends: DIN 2543-2545
Test & Inspection: DIN 3230
Notes: The size of serial, valve connecting flange can be design according to customers’ requirement.
Nominal Pressure (MPa) Shell Test (MPa) Sealing Test (MPa) Suitable Temp (°C) Suitable Medium
1.6 2.4 1.76 ≤50°C Water, oil & gas
2.5 3.75 2.75
4.0 6.0 4.4
6.4 9.6 7.04

Materials

Materials of Bellows Seal Globe Valve with Parabolic Plug (Linear Flow Characteristics)
No. Part Name Materials
1 Body GS-C25 1.7363, 1.4308, 1.4408, 1.4306, 1.4301
2 Disc ASTM A182-Gr.F6a, ASTM A182-F22, ASTM A182-F304, F316, F321, F304L, F316L
3 Pin ASTM A182-Gr.F6a, ASTM A182-F22, ASTM A182-F304, F316, F321, F304L, F316L
4 Bellow Assemble 321, 304, 316
5 Stem ASTM A182-Gr.F6a, ASTM A182-F22, ASTM A182-F304, F316, F321, F304L, F316L
6 Bonnet GS-C25 1.7363, 1.4308, 1.4408, 1.4306, 1.4301
7 Packing Flexible Graphite, PTFE
8 Gland GS-C25 1.7363, 1.4308, 1.4408, 1.4306, 1.4301
9 Guide Piece 25, 45, 304, 316
10 Yoke Nut ZQA19-4
11 Handwheel WCB, QT400-18
12 Bolt ASTM A193-B7, A193-B8, A193-B8M
13 Nut ASTM A194-2H, A194-8, A194-8M
14 Gasket Flexible Graphite + Stainless Steel, PTFE

Sizes (inch / mm) and Weights (Kg): Butt Welded or Socket Welded

Sizes and Weights of PN 16 Threaded Ends Bellows Seal Globe Valve
Sizes and Weights of PN 16 Threaded Ends Bellows Seal Globe Valve
DN PN16 PN25 PN40
L H W L H W L H W
15 130 174 120 130 174 120 130 174 120
20 150 176 140 150 176 140 150 176 140
25 160 207 140 160 207 140 160 207 140
32 180 207 160 180 207 160 180 207 160
40 200 210 160 200 210 160 200 210 160
50 230 225 180 230 225 180 230 225 180

Sizes (inch / mm) and Weights (Kg): PN 16, Butt Welded & Flanged

Sizes and Weights of PN 16 Butt Welded Ends Bellows Seal Globe Valve
Sizes and Weights of PN 16 Flanged Ends Bellows Seal Globe Valve
Model WJ41-16
Pressure PN16
Size 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
W 120 140 140 160 160 180 200 220 250 300 350 400 450 500 500
Weight (Kg) 4 4.5 5 7 9 12.5 18 23 41 54 90 160 260 410 610

Sizes (inch / mm) and Weights (Kg): PN 25, Butt Welded & Flanged

Sizes and Weights of PN 25 Butt Welded Ends Bellows Seal Globe Valve
Sizes and Weights of PN 25 Flanged Ends Bellows Seal Globe Valve
Model WJ41-25
Pressure PN25
Size 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
W 120 120 140 160 160 180 200 220 250 300 350 400 450 500 500
Weight (Kg) 4 4.5 5 7.5 9.5 13 19 24 43 57 95 168 300 510 680

Sizes (inch / mm) and Weights (Kg): PN 40, Butt Welded & Flanged

Sizes and Weights of PN 40 Butt Welded Ends Bellows Seal Globe Valve
Sizes and Weights of PN 40 Flanged Ends Bellows Seal Globe Valve
Model WJ41-40
Pressure PN40
Size 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
W 120 120 140 160 160 180 200 220 250 300 350 400 450 500 500
Weight (Kg) 4 4.5 5 8 10 13.5 20 25 45 60 98 171 340 580 780

Performance

  • This product has logical structure, reliable seal, excellent performance and nice design.
  • The seal surface is build-up welding with Co hard alloy, which is attrition-resistant, corrosion-resistant, has good friction resistant and long life.
  • The stem quenched and tempered, and its surface is treated by nitriding treatment, thus it has good corrosion resistant and friction resistant.
  • It has double seal capability, thus is more reliable.
  • The stem may show the position of lift, thus it is clearer.
  • The part material, flange and butt weld end dimension may be selected according to current operating condition and users' requirement , so that meeting the requirements of various engineering.