National Standard Stainless Steel Shut-off Valve

The oxygen specific shut-off valve is made of high-quality silicon brass or stainless steel casting, which has the advantages of high mechanical strength, wear resistance, and good safety. Used on oxygen pipelines, it has effective explosion-proof and flame-retardant properties, eliminating unsafe factors on oxygen pipelines.

Key words:

Classification:

Keyword: National Standard Stainless Steel Shut-off Valve

Details

Stainless Steel Shut-off Valve Application Guidelines:

1. Design and manufacturing according to GB/T12235

2. Structural length according to GB/T12221

3. Flange dimensions according to JB/T 79 HG/T20592

4. Valve inspection and testing shall be conducted according to GB/T 13927 and GB/T 26480.

Stainless Steel Shut-Off Valve Performance Specifications

Model Nominal pressure Test pressure Operating Temperature (℃) Applicable Medium
Strength (water) (MPa) Sealed (water) air (MPa) Low-pressure sealed air (MPa)
J41W-16P(R) 1.6 2.4 1.8 0.6 ≤200 NITRIC ACID
J41W-25P(R) 2.5 3.8 2.8 0.6 ≤200 Nitrate compounds
ACETIC ACID
Acetic acid derivatives
NITROUS ACID
Nitrate compounds
J41W-40P(R) 4.0 6.0 4.4 0.6 ≤200 ACETIC ACID
J41W-64P(R) 6.4 9.6 7.0 0.6 ≤200 Acetic acid derivatives

Main Material of Components for Stainless Steel Shut-off Valves

Part Name ZG1Cr18Ni9Ti Series ZG00Cr18Ni10 Series ZG1Cr18Ni12Mo2Ti Series ZG00Cr17Ni14Mo2 Series WCB Series
Valve Body/Valve Cover ZG1Cr18Ni9Ti ZG00Cr18Ni10 ZG1Cr18Ni12Mo2Ti ZG00Cr17Ni14Mo2 WCB
Valve disc ZG1Cr18Ni9Ti ZG00Cr18Ni10 ZG1Cr18Ni12Mo2Ti ZG00Cr17Ni14Mo2 1Cr13
Valve stem ZG1Cr18Ni9Ti 00Cr18Ni10 1Cr18Ni12Mo2Ti 00Cr17Ni14Mo2 1Cr13
Filler PTFE braiding PTFE braiding PTFE braiding PTFE braiding Graphite
Gasket 304 + PTFE 304L + PTFE 316+PTFE 316L + PTFE Graphite + 304
Cap seal ZG1Cr18Ni9Ti ZG00Cr18Ni10 ZG1Cr18Ni12Mo2Ti ZG00Cr17Ni14Mo2 WCB
Packing Compression Ring 1Cr18Ni9Ti 00Cr18Ni10 1Cr18Ni12Mo2Ti 00Cr17Ni14Mo2 1Cr13
Bolt 1Cr17Ni2 1Cr17Ni2 1Cr17Ni2 1Cr17Ni2 35CrMoA
Nut 1Cr18Ni9Ti 1Cr18Ni9Ti 1Cr18Ni9Ti 1Cr18Ni9Ti 45

1.6 MPa Stainless Steel Shut-off Valve: Main Connection Dimensions and Weight

Dimensions DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400
L mm 130 150 160 180 200 230 290 310 350 400 480 600 650 750 850 950
H mm 200 243 253 280 312 321 325 355 415 460 510 700 975 1115 1250 1380
W mm 120 140 160 160 200 200 240 240 280 320 360 560 600 700 800 900
Weight kg 5 6.5 7 13.5 16 32 45 60 80 107 134 268 449 663 750 1170

2.5 MPa Stainless Steel Shut-off Valve: Main Connection Dimensions and Weight

Dimensions DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400
L mm 130 150 160 180 200 230 290 310 350 400 480 600 650 750 850 950
H mm 200 243 253 280 312 321 325 355 415 460 510 700 975 1115 1250 1380
W mm 120 140 160 160 200 200 240 240 280 320 360 560 600 700 800 900
Weight kg 5 6.5 7 13.5 16 32 45 60 80 107 134 268 449 663 750 1170

4.0 MPa Stainless Steel Shut-off Valve: Main Connection Dimensions and Weight

Dimensions DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400
L mm 130 150 160 180 200 230 290 310 350 400 480 600 650 750 850 950
H mm 200 243 253 280 312 321 325 355 415 460 510 700 975 1115 1250 1380
W mm 120 140 160 160 200 200 240 240 280 320 360 560 600 700 800 900
Weight kg 5 6.5 7 13.5 16 32 45 60 80 107 134 268 491 705 850 1234

6.4 MPa Stainless Steel Shut-off Valve: Main Connection Dimensions and Weight

Dimensions DN 15 20 25 40 50 65 80 100 125 150
L mm 170 190 210 230 260 300 340 380 430 550
H mm 195 228 250 325 360 410 450 485 537 646
W mm 140 160 180 200 240 280 320 360 400 450
Weight kg 10 13 15 19 25 35 48 56 125 157

10.0 MPa Stainless Steel Shut-off Valve: Main Connection Dimensions and Weight

Dimensions DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300
L mm 170 190 210 230 260 300 340 380 430 500 550 650 775 900
H mm 195 228 250 325 360 410 450 485 537   840 925 1015 1200
W mm 100 100 120 160 160 180 200 200 240 - - - - -
Weight kg 10 12 17 25 30 40 68 92 107 - 310 590 850 1040

16.0 MPa Stainless Steel Shut-off Valve: Main Connection Dimensions and Weight

Dimensions DN 15 20 25 32 40 50 65 80 100 125 150 200
L mm 170 190 210 230 260 300 340 380 430 500 550 650
H mm 148 156 175 200 231 262 470 500 557 613 671 765
W mm 100 100 120 140 160 180 360 400 450 450 500 500
Weight kg 4.64 7.42 10.07 12.3 15.2 29.71 65 83 125 175 249 375

The oxygen specific shut-off valve is made of high-quality silicon brass or stainless steel casting, which has the advantages of high mechanical strength, wear resistance, and good safety. Used on oxygen pipelines, it has effective explosion-proof and flame-retardant properties, eliminating unsafe factors on oxygen pipelines.

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