J641H/Y Product features of pneumatic flange globe valve
1. The product has reasonable structure, reliable sealing, excellent performance and beautiful appearance;
2. The sealing surface overlaid with Co based cemented carbide has good wear resistance, corrosion resistance, abrasion resistance and long service life;
3. The valve stem has good corrosion resistance and scratch resistance after quenching and tempering and surface nitriding treatment;
4. The valve has reliable sealing structure;
5. Parts material and flange size can be reasonably selected according to actual working conditions or user requirements to meet various engineering needs.
Executive standard
Product specification | design code | Structural length | Connecting flange | Test and inspection | Pressure temperature |
GB/T 12235 | GB/T 12221 | JB/T 79、GB/T9113、HG/T20592、EN1092-1/2、ASME B16.5/B16.47 | JB/T 9092、GB/T13927、API598 | GB/T1224 |
Main performance specifications
1. Test pressure
Nominal pressure PN(MPa) | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
Shell strength test | 2.4 | 3.8 | 6.0 | 9.6 | 15 | 24 |
Upper seal test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
Sealing test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
2. Applicable medium and temperature
product type | Applicable medium | ℃ |
J641H/Y-C | Water, oil, steam | ≤425 |
J641H/Y-P | Nitric acids | ≤200 |
J641H/Y-R | Nitric acids | ≤200 |
J641H/Y-I | Water, oil, steam | ≤550 |
J641H/Y Material of main parts of pneumatic flange globe valve
product type | Part name | |||||||
Body / bonnet | Stem | Valve disc | Sealing surface | Stem nut | filler | a fastening | handwheel | |
J641H/Y-C | 25/WCB | Chromium stainless steel | 20Cr1325 | H:Stainless steel Y Co based cemented carbide steel | copper alloy | Flexible graphite | High quality carbon steel | malleable iron |
J641H/Y-P | Chromium nickel steel | Chromium nickel steel | Chromium nickel steel | Chromium nickel steel | copper alloy | Flexible graphite | stainless steel | malleable iron |
J641H/Y-R | Cr Ni Mo steel | Cr Ni Mo steel | Cr Ni Mo steel | Cr Ni Mo steel | copper alloy | Flexible graphite | stainless steel | malleable iron |
J641H/Y-I | Chromium molybdenum steel | Chromium molybdenum steel | Alloy steel | Cobalt based cemented carbide steel | copper alloy | Flexible graphite | Alloy steel | malleable iron |
J641H/Y Main connecting dimensions of pneumatic flange globe valve PN1.6MPa
DN(mm) | L | D | D1 | D2 | b | f | Z-Φd | H | D0 |
15 | 130 | 95 | 65 | 45 | 14 | 2 | 4-14 | 291 | 120 |
20 | 150 | 105 | 75 | 55 | 14 | 2 | 4-14 | 300 | 140 |
25 | 160 | 115 | 85 | 65 | 14 | 2 | 4-14 | 353 | 160 |
32 | 180 | 135 | 100 | 78 | 15 | 2 | 4-18 | 390 | 180 |
40 | 200 | 145 | 110 | 85 | 16 | 2 | 4-18 | 518 | 200 |
50 | 230 | 160 | 125 | 100 | 16 | 3 | 4-18 | 555 | 240 |
65 | 290 | 180 | 145 | 120 | 18 | 3 | 4-18 | 630 | 280 |
80 | 310 | 195 | 160 | 135 | 20 | 3 | 8-18 | 683 | 280 |
100 | 350 | 215 | 180 | 155 | 20 | 3 | 8-18 | 745 | 320 |
125 | 400 | 245 | 210 | 185 | 22 | 3 | 8-18 | 855 | 360 |
150 | 480 | 280 | 240 | 210 | 24 | 3 | 8-23 | 870 | 400 |
200 | 600 | 335 | 295 | 205 | 26 | 3 | 12-23 | 954 | 400 |
250 | 650 | 405 | 355 | 320 | 30 | 3 | 12-23 | 1065 | 450 |
300 | 750 | 460 | 410 | 375 | 30 | 3 | 12-23 | 1185 | 500 |
J641H/Y Main connection dimensions of pneumatic flange globe valve PN2.5MPa
Nominal diameter(mm) | L | D | D1 | D2 | b | Z-Φd | f | H | D0 |
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-14 | 291 | 120 |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | 300 | 140 |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | 353 | 160 |
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | 390 | 180 |
40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-18 | 518 | 200 |
50 | 230 | 160 | 125 | 100 | 20 | 3 | 4-18 | 555 | 240 |
65 | 290 | 180 | 145 | 120 | 22 | 3 | 8-18 | 630 | 280 |
80 | 310 | 195 | 160 | 135 | 22 | 3 | 8-18 | 683 | 280 |
100 | 350 | 230 | 190 | 160 | 24 | 3 | 8-23 | 745 | 320 |
125 | 400 | 270 | 220 | 188 | 28 | 3 | 8-25 | 855 | 360 |
150 | 480 | 300 | 250 | 218 | 30 | 3 | 8-25 | 870 | 400 |
200 | 600 | 360 | 310 | 278 | 34 | 3 | 12-25 | 954 | 400 |
250 | 650 | 425 | 370 | 332 | 36 | 3 | 12-30 | 1065 | 450 |
300 | 750 | 485 | 430 | 390 | 40 | 4 | 12-30 | 1185 | 500 |