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Globe Valve > Products >Oxygen-specific Globe Valve

Oxygen-specific Globe Valve

Manufacturer: Shanghai Fengqi Industry Development Co., Ltd.
Eml: sales@fengqi.sh.cn

Tel: 0086 (021) 3652 8716
Mob: (0086) 138 1635 6498

product drawing

Oxygen-specific globe valves(pic1)
Oxygen-specific globe valves(pic1)
Oxygen-specific globe valve(pic2)
Oxygen-specific globe valve(pic2)

Product introductions

JY41W/Y series of oxygen-specific straight-through globe valve is special valve for oxygen pipelines. According to the operational features of the oxygen pipe network and considering the oxygen medium characteristics of flammable and explosive, using the safe and reliable operation and superior performance as design principles, and refer to the provisions of "Oxygen Safety Regulations" formulated by the Ministry of Metallurgical Industry of China, and then designed and manufactured. It is a special globe valve to ensure the safe operation of oxygen pipe network. The main body uses stainless steel or excellent fire resistant copper alloy, the sealing surface is the body, or welding D802, the rest inner parts are stainless steel or copper alloy; the lubrication of transmission parts uses non-combustible lubricating grease, and marked a clear oil-banned mark. About the structure, the support is all-closed sealing, and has a guided and eliminative static device, the stem matchs with a anti-dust cap. Since it has been running in the market, it has been received good trust by large and medium-sized steel factroies, oxygen plants, petrochemical plants oxygen pipes!

Product structural features

1、For the nominal pressure PN ≥ 1.6MPa, DNl25 ~ 200, using inner bypass structure; and for DN250 ~ 500, using outer structure. The purpose is to reduce the pressure difference before valve and after valve, in order to avoid high flows, high erosion, and prevent the generation of high temperature, thus ensuring the safe operation of the oxygen pipe network, and also reducing the operating torque.
2、The medium flow direction: PN ≥ 1.6MPa, DN ≤ 100 media inflood the upper disc from the bottom of disc (low entering and high out), DN ≥ 125 media inflood the bottom of disx from the upper disc (high entering and low out). The valves that DN ≥ 125 use a high entering and low out flows, one side to meet the structural requirement of inner bypass valve, and on the other side because of the media pressure effect, the closed force is reduced greatly.
3、Oxygen-specific straight-through globe valve has guided static safety devices that can prevent causing sparks because static.
4、Compared with the general globe valve, the support part of the oxygen-specific globe valve uses full sealing structure, and can open the protective cover when pressing packing, playing a role of anti-oil and anti-dust. And it has a clear oil-banned mark.
5、all parts adopt strict degreasing treatment.

Dimensions & constructral diagram

Oxygen-specific globe valve constructral diagram(pic1)
Oxygen-specific globe valve constructral diagram(pic1)
Oxygen-specific globe valve constructral diagram(pic2)
Oxygen-specific globe valve constructral diagram(pic2)

Performance and specification

nominal pressure(PN) intensity test pressure(MPa) gas sealing test pressure(MPa) applicable medium suitable temperature
water gas oxygen normal temperature
1.6 2.4 1.6
2.5 3.8 2.5
3.0 4.5 3.0
4.0 6.0 4.0

The materials of main parts

part name materials
body,bonnet,disc cast Cr-Ni-Ti stainless steel,copper alloy
Stem Cr-Ni stainless steel
stem nut bronze

The external and connection dimensions and weight

JY41W-16P JY41Y-16P JY41W-16T
DN L D D1 D2 b f Z-d H H1 DO L1 Weight (kg)
15 130 95 65 45 14 2 4-14 240   100   6
20 150 105 75 55 14 2 4-14 270   100   8
25 160 115 85 65 14 2 4-14 270   125   10
32 180 135 100 78 16 2 4-18 280   160   14
40 200 145 110 85 16 3 4-18 350   160   20
50 230 160 125 100 16 3 4-18 400   320   35
65 290 180 145 120 18 3 4-18 530   360   50
80 310 195 160 135 20 3 8-18 560   400   65
100 350 215 180 155 20 3 8-18 618   450   80
125 400 245 210 185 99 3 8-18 675   450   106
150 480 280 240 210 24 3 8-23 743   560   125
200 600 335 295 265 26 3 12-23 850   640   254
250 650 405 355 320 30 3 12-25 975 270 720 380 418
300 750 460 410 375 30 4 12-25 1115 270 800 415 502
400 950 580 525 485 36 4 16-30 1380 280 900 465 980
450 1050 640 585 545 40 4 20-30 1530 350   495 1200
500 1150 705 650 608 44 4 20-34 1700 400   525 1300
JY41W-25P JY41Y-25P JY41W-25T
DN I D D1 D2 b f Z-d H H1 DO L1 Weight (kg)
15 130 95 65 45 16 2 4-14 240   100   6
20 150 105 75 55 16 2 4—14 270   100   8
25 160 115 85 65 16 2 4—14 270   125   10
32 180 135 100 78 18 2 4-18 280   160   14
40 200 145 110 85 18 3 4-18 350   160   20
50 230 160 125 100 20 3 4—18 400   320   35
65 290 180 145 120 22 3 8-18 530   360   50
80 310 195 160 135 99 3 8-18 560   400   65
100 350 230 190 160 24 3 8-23 618   450   88
125 400 270 220 188 28 3 8-25 675   450   115
150 480 300 250 218 30 3 8—25 743   560   148
200 600 360 310 278 34 3 12-25 850   640   293
250 650 425 370 332 36 3 12—30 975 270 720 380 455
300 750 485 430 390 40 4 16-30 1115 270 800 415 585
400 950 610 550 505 48 4 16-34 1380 280 900 465 1110
450 1050 660 600 555 50 4 20-34 1530 350   495 1350
500 1150 730 660 610 52 4 20-41 1700 400   525 1470
JY41W-40P JY41Y-40P JY41W-40T
DN L D D1 D2 D6 b f f1 Z-d H H1 DO L1 Weight (kg)
15 130 95 65 45 40 16 2 4 4-14 240   100   6
20 150 105 75 55 5l 16 2 4 4-14 270   100   8
25 160 115 85 65 58 16 2 4 4-14 270   125   10
32 180 135 100 78 66 18 2 4 4-18 280   160   14
40 200 145 110 85 76 18 3 4 4-18 350   160   20
50 230 160 125 100 88 20 3 4 4-18 400   320   35
65 290 180 145 120 110 22 3 4 8-18 530   360   50
80 310 195 160 135 121 22 3 4 8-18 560   400   65
100 350 230 190 160 150 24 3 4.5 8-23 618   450   88
125 400 270 220 188 176 28 3 4.5 8-25 675   450   115
150 480 300 250 218 204 30 3 4.5 8-25 743   560   148
200 600 375 320 282 260 38 3 4.5 12-30 850   640   293
250 650 445 385 345 313 42 3 4,5 12-34 975 270 720 380 540
300 750 510 450 408 364 46 4 4.5 16-34 1115 270 800 415 770
400 950 655 585 535 474 58 4 5 16-41 1425 280 900 465 1330
450 1050 680 610 560 524 60 4 5 20-41 1570 350   495 1550
500 1150 755 670 612 576 62 4 5 20-48 1740 400   525 1670
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