name: Oxygen globe valve YJ41Type: YJ41Presure: 1.6~4.0MPaSpecifications: DN15~DN400material: Silicon brass, stainless steel, cast steel
Product description
Oxygen specific cut-off valve is made of silicon brass or stainless steel casting material, with high mechanical strength, wear resistance, good safety and so on. Used in the oxygen pipeline, with the best anti explosion flame retardant performance, eliminating the safety factors on the oxygen pipeline. The oxygen valve is forced to seal the valve, so when the valve is closed, the valve must be applied to the valve pressure to force the sealing surface does not leak. Oxygen valve is a kind of special valve of the oxygen pipe network. Stood in the city of liquefied petroleum gas reserves, the oxygen valve is also used in refinery, petroleum chemical plant, petrochemical plant of liquefied gas system, as a control device for opening and closing the closure of media.
Main connection and dimensions(PN16)
nominal diameter
| Main dimensions and connection dimensions(mm) |
Valve connection size | flange connection size |
L | H | D0 | D | D1 | D2 | b | f | z-Φd |
25 | 160 | 305 | 160 | 115 | 85 | 57 | 18 | 2 | 4-14 |
32 | 180 | 316 | 160 | 140 | 100 | 68 | 18 | 2 | 4-18 |
40 | 200 | 328 | 180 | 150 | 110 | 76 | 18 | 3 | 4-18 |
50 | 230 | 356 | 200 | 165 | 125 | 91 | 18 | 3 | 4-18 |
65 | 290 | 389 | 280 | 185 | 145 | 111 | 18 | 3 | 4-18 |
80 | 310 | 400 | 280 | 200 | 160 | 126 | 20 | 3 | 8-18 |
100 | 350 | 460 | 320 | 220 | 180 | 146 | 20 | 3 | 8-18 |
125 | 400 | 528 | 320 | 250 | 210 | 176 | 22 | 3 | 8-18 |
150 | 480 | 668 | 450 | 285 | 240 | 201 | 22 | 3 | 8-23 |
200 | 600 | 795 | 500 | 340 | 295 | 256 | 24 | 3 | 12-23 |
250 | 650 | 910 | 560 | 405 | 355 | 312 | 26 | 3 | 12-27 |
300 | 750 | 1200 | 640 | 460 | 410 | 365 | 28 | 4 | 12-27 |
350 | 850 | 1200 | 720 | 520 | 470 | 425 | 30 | 4 | 16-27 |
400 | 950 | 1560 | 800 | 580 | 525 | 477 | 32 | 4 | 16-30 |
Main connection and dimensions(PN25)
nominal diameter
| Main dimensions and connection dimensions(mm) |
Valve connection size | flange connection size |
L | H | D0 | D | D1 | D2 | b | f | z-Φd |
25 | 160 | 275 | 160 | 115 | 85 | 57 | 18 | 2 | 4-14 |
32 | 180 | 280 | 180 | 140 | 100 | 68 | 18 | 2 | 4-18 |
40 | 200 | 330 | 200 | 150 | 110 | 76 | 18 | 3 | 4-18 |
50 | 230 | 350 | 240 | 165 | 125 | 91 | 20 | 3 | 4-18 |
65 | 290 | 355 | 280 | 185 | 145 | 111 | 22 | 3 | 8-18 |
80 | 310 | 400 | 280 | 200 | 160 | 126 | 24 | 3 | 8-18 |
100 | 350 | 415 | 320 | 235 | 190 | 151 | 24 | 3 | 8-23 |
125 | 400 | 460 | 360 | 270 | 220 | 177 | 26 | 3 | 8-27 |
150 | 480 | 510 | 400 | 300 | 250 | 207 | 28 | 3 | 8-27 |
200 | 600 | 710 | 400 | 360 | 310 | 267 | 30 | 3 | 12-27 |
250 | 650 | 910 | 560 | 425 | 370 | 324 | 32 | 3 | 12-30 |
300 | 750 | 1200 | 640 | 485 | 430 | 382 | 34 | 4 | 16-30 |
350 | 850 | 1290 | 720 | 555 | 490 | 438 | 38 | 4 | 16-34 |
400 | 950 | 1560 | 800 | 620 | 550 | 495 | 40 | 4 | 16-37 |
Main connection and dimensions(PN40)
nominal diameter
| Main connection dimensions and connection dimensions(mm) |
Valve connection size | flange connection size |
L | H | D0 | D | D1 | D2 | D6 | b | f | f2 | z-Φd |
25 | 160 | 285 | 160 | 115 | 85 | 56 | 58 | 18 | 2 | 4.5 | 4-14 |
32 | 180 | 302 | 180 | 140 | 100 | 67 | 66 | 18 | 2 | 4.5 | 4-18 |
40 | 200 | 355 | 200 | 150 | 110 | 77 | 76 | 18 | 3 | 4.5 | 4-18 |
50 | 230 | 373 | 240 | 165 | 125 | 92 | 88 | 20 | 3 | 4.5 | 4-18 |
65 | 290 | 408 | 280 | 185 | 145 | 112 | 110 | 22 | 3 | 4.5 | 8-18 |
80 | 310 | 436 | 320 | 200 | 160 | 127 | 121 | 24 | 3 | 4.5 | 8-18 |
100 | 350 | 480 | 360 | 235 | 190 | 152 | 150 | 24 | 3 | 5 | 8-23 |
125 | 400 | 558 | 400 | 270 | 220 | 178 | 176 | 26 | 3 | 5 | 8-27 |
150 | 480 | 611 | 400 | 300 | 250 | 208 | 204 | 28 | 3 | 5 | 8-27 |
200 | 600 | 720 | 400 | 375 | 320 | 275 | 260 | 34 | 3 | 5 | 12-30 |
250 | 650 | 910 | 560 | 450 | 385 | 335 | 313 | 38 | 3 | 5 | 12-34 |
300 | 750 | 1200 | 640 | 515 | 450 | 400 | 364 | 42 | 4 | 5 | 16-34 |
350 | 850 | 1290 | 720 | 580 | 510 | 450 | 422 | 46 | 4 | 5.5 | 16-37 |
400 | 950 | 1560 | 800 | 660 | 585 | 525 | 474 | 50 | 4 | 5.5 | 16-39 |
main parts materials
material code | valve body、valve cover | valve clack | valve stem | stem and nut | filler |
P | CF8(304) stainless steel | stainless steel | 304 | ZQAL9-4 | PTFE |
PL | CF3(304L) stainless steel | stainless steel | 304L | ZQAL9-4 | PTFE |
R | CF8M(316)stainless steel | stainless steel | 316 | ZQAL9-4 | PTFE |
RL | CF3M(316L)stainless steel | stainless steel | 316L | ZQAL9-4 | PTFE |
T | copper alloy | Alloy steel | stainless steel | copper alloy | PTFE |
Other special materials, our company can also be tailored to customer needs.
Performance specification
Nominal pressure PN(MPa) | Shell(MPa) | Test pressure(MPa) | Upper seal (MPa) |
Seal (liquid)(MPa) | Seal (gas)(MPa) |
1.0 | 1.5 | 1.1 | 0.6 | 1.1 |
1.6 | 2.4 | 1.76 | 0.6 | 1.76 |
2.5 | 3.8 | 2.75 | 0.6 | 2.75 |
4 | 6 | 4.4 | 0.6 | 4.4 |
Implementation standards
Design standard: GB/T12235
Structure length: GB/T12221
Connecting flange: JB/T79, GB/T9113, HG/T20592, HG/T20615
Experiment and test: JB/T9092, GB/T13927
Pressure - temperature: GB/T9131
Product label: GB/T12220
Valve maintenance
1 valve installation and installation personnel must strictly comply with the relevant provisions, is strictly prohibited and oil contact.
2 the installation position of the valve is recommended to the valve stem vertically.
3 valve installation, the body must be the direction of the flow arrow logo and the media flow to the media.
4 valve installation can not affect the sealing performance of the valve, flange gasket should be used PTFE or PTFE metal
Valve maintenance
1 valve installation and installation personnel must strictly comply with the relevant provisions, is strictly prohibited and oil contact.
2 the installation position of the valve is recommended to the valve stem vertically.
3 valve installation, the body must be the direction of the flow arrow logo and the media flow to the media.
4 the installation of the valve can not affect the sealing performance of the valve, flange gasket should adopt PTFE or metal spiral wound gasket.
5 valve can not be installed near open flame and oil use point, and should be located in the protection cover does not produce sparks in.
6 grounding valve installation should have good equipment, the flange end of the guide screw holes must have a good grounding, in order to prevent static electricity.
7 on the installation of large diameter valves and pipes should be given enough support.
8 valve should be regularly maintained, maintenance or testing, to ensure the safety and sealing of the valve.
9 valve maintenance, repair, including the repair of the valve only by the manufacturer or other qualified units to perform.