GB globe valve
GB globe valve
Nominal diameter: DN50 ~ 600 mm
Pressure range: PN10 ~ 250 MPa
Operating temperature: -196 ℃ ~ + 600 ℃
drive modes: manual, bevel gear, the electric
main material: carbon steel, stainless steel
Application: Suitable for chemical, refining, pharmaceutical, electricity, thermal oil, liquefied petroleum gas, steam, flammable, explosive, heat transfer oil, high purity, toxic media
First, the national standard cut valve introduction
GB globe valve is a mandatory sealed valve, so the valve is closed, the pressure must be applied to the valve to force the sealing surface does not leak. When the medium from the bottom of the valve into the valve, the operating force to overcome the resistance is the stem and packing friction and pressure generated by the pressure of the valve, close the valve force than the valve, so the stem Of the diameter to be large, otherwise there will be stem stem bending failure. In recent years, from the self-sealing valve appears, the flange stop valve medium flow will be changed from the top of the valve into the valve chamber, then under the action of the media pressure, the valve is small, and open the valve force, The diameter of the rod can be reduced accordingly. At the same time, in the role of the media, this form of stainless steel pneumatic valves are more stringent.
Implementation of standards
| Design and manufacture | Structure length | Flange size | Pressure - temperature | Test - test |
| GB12235 | GB12221 | GB9113 JB79 | GB9131 | GB / T13927 JB / T9092 |
Pressure test
| Nominal pressure | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
| Strength test | 2.4 | 3.8 | 6.0 | 9.6 | 15.0 | 24.0 |
| Water seal test | 1.8 | 2.8 | 4.4 | 7.4 | 11.0 | 18.0 |
| On the seal test | 1.8 | 2.8 | 4.4 | 7.04 | 11.0 | 18.0 |
| Gas seal test | 0.4-0.7 | |||||
Second, GB globe valve key parts of the material and performance
| Body cover pull | Stem | Sealing surface | Gasket (ring) | filler | Operating temperature ℃ | Applicable media |
| WCB | 2Cr13 | 13Cr STL bulk material nylon | Reinforced flexible graphite 1Crl3 / flexible graphite 08 soft steel 0Cr18Ni9Ti OCr18Ni12Mo2Ti | Flexible graphite reinforced flexible graphite SFB-260 SFP-260 | ≤425 | Water, steam, oil |
| WC1 | 38CrMoAI 25Cr2MoV | ≤450 | ||||
| WC6 | ≤540 | |||||
| WC9 | ≤570 | |||||
| ZGCr5Mo | ≤540 | |||||
| ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | ≤ 200 | Nitric acid | |||
| ZGCr18Ni12Mo2Ti | 1C18Ni12Mo2Ti | ≤ 200 | Acetic acid |
Third, GB globe valve main shape and connection size
Nominal diameter | Main dimensions and connection dimensions | ||||||||
L | D | D1 | D2 | b | f | Zd | H | D0 | |
J41H / Y-16C J41W-16P J41W-16R J41Y-16I | |||||||||
10 | 130 | 90 | 60 | 40 | 14 | 2 | 4-14 | 198 | 120 |
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-14 | 218 | 120 |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | 258 | 140 |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | 275 | 160 |
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | 280 | 180 |
40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-18 | 330 | 200 |
50 | 230 | 160 | 125 | 100 | 18 | 3 | 4-18 | 350 | 240 |
65 | 290 | 180 | 145 | 120 | 18 | 3 | 4-18 | 355 | 280 |
80 | 310 | 195 | 160 | 135 | 20 | 3 | 8-18 | 400 | 280 |
100 | 350 | 215 | 180 | 155 | twenty two | 3 | 8-18 | 415 | 320 |
125 | 400 | 245 | 210 | 185 | twenty four | 3 | 8-23 | 460 | 360 |
150 | 480 | 280 | 240 | 210 | twenty four | 3 | 12-23 | 510 | 400 |
200 | 600 | 335 | 295 | 265 | 26 | 3 | 12-23 | 710 | 400 |
250 | 650 | 405 | 355 | 320 | 30 | 3 | 12-23 | 786 | 450 |
300 | 750 | 460 | 410 | 375 | 30 | 3 | 12-23 | 925 | 500 |
Nominal diameter | Main dimensions and connection dimensions | ||||||||||
L | D | D1 | D2 | b | f | Zd | H hands | H electricity | D | Electric device | |
J41H / Y-25 J41W-25P J41W-25R J41Y-25I J941W-25R J941W-25R J941W-25I | |||||||||||
10 | 130 | 90 | 60 | 40 | 16 | 2 | 4-14 | 198 | - | 120 | - |
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-14 | 218 | - | 120 | - |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | 258 | - | 140 | - |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | 275 | - | 160 | - |
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | 280 | - | 180 | - |
40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-18 | 330 | - | 200 | - |
50 | 230 | 160 | 125 | 100 | 20 | 3 | 4-18 | 350 | 645 | 240 | DZW10 |
65 | 290 | 180 | 145 | 120 | twenty two | 3 | 8-18 | 400 | 690 | 280 | DZW10 |
80 | 310 | 195 | 160 | 135 | twenty two | 3 | 8-18 | 355 | 715 | 280 | DZW15 |
100 | 350 | 230 | 190 | 160 | twenty four | 3 | 8-23 | 415 | 770 | 320 | DZW20 |
125 | 400 | 270 | 220 | 188 | 28 | 3 | 8-25 | 460 | 780 | 360 | DZW30 |
150 | 480 | 300 | 250 | 218 | 30 | 3 | 8-25 | 510 | 875 | 400 | DZW45 |
200 | 600 | 360 | 310 | 278 | 34 | 3 | 12-25 | 710 | 967 | 400 | DZW60 |
250 | 650 | 425 | 370 | 332 | 36 | 3 | 12-30 | 786 | - | 450 | - |
300 | 750 | 485 | 430 | 390 | 40 | 4 | 12-30 | 925 | - | 500 | - |
Nominal diameter | Main dimensions and connection dimensions | ||||||||||||
L | D | D1 | D2 | D6 | b | f | f2 | Zd | H hands | H electricity | D | Electric device | |
J41H / Y-40 J41W-40P J41W-40R J41Y-40I J941W- | |||||||||||||
10 | 130 | 90 | 60 | 40 | 35 | 16 | 2 | 2 | 4-14 | 198 | - | 120 | - |
15 | 130 | 95 | 65 | 45 | 40 | 16 | 2 | 4 | 4-14 | 233 | - | 120 | - |
20 | 150 | 105 | 75 | 55 | 51 | 16 | 2 | 4 | 4-14 | 275 | - | 140 | - |
25 | 160 | 115 | 85 | 65 | 58 | 16 | 2 | 4 | 4-14 | 285 | - | 160 | - |
32 | 180 | 135 | 100 | 78 | 66 | 18 | 2 | 4 | 4-18 | 302 | - | 180 | - |
40 | 200 | 145 | 110 | 85 | 76 | 18 | 3 | 4 | 4-18 | 355 | - | 200 | - |
50 | 230 | 160 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 373 | 645 | 240 | DZW10 |
65 | 290 | 180 | 145 | 120 | 110 | twenty two | 3 | 4 | 4-18 | 408 | 690 | 280 | DZW10 |
80 | 310 | 195 | 160 | 135 | 121 | twenty two | 3 | 4 | 8-18 | 436 | 715 | 320 | DZW20 |
100 | 350 | 230 | 190 | 160 | 150 | twenty four | 3 | 4.5 | 8-18 | 480 | 770 | 360 | DZW30 |
125 | 400 | 270 | 220 | 188 | 176 | 28 | 3 | 4.5 | 8-23 | 558 | 782 | 400 | DZW45 |
150 | 480 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-25 | 611 | 875 | 400 | DZW60 |
200 | 600 | 375 | 320 | 282 | 260 | 38 | 3 | 4.5 | 12-30 | 720 | 1160 | 400 | DZW90 |
Nominal diameter | Main dimensions and connection dimensions | |||||||||
L | D | D1 | D2 | D6 | b | Zd | H | H1 | D0 | |
J41H / Y-64 J941H / Y-64 J41Y-64I J941Y-64I | ||||||||||
15 | 170 | 105 | 75 | 55 | 41 | 18 | 414 | 195 | 210 | 140 |
20 | 190 | 125 | 90 | 68 | 51 | 20 | 418 | 228 | 248 | 160 |
25 | 210 | 135 | 100 | 78 | 58 | twenty two | 418 | 250 | 275 | 180 |
32 | 230 | 150 | 110 | 82 | 66 | twenty four | 423 | 325 | 355 | 200 |
40 | 260 | 165 | 125 | 95 | 76 | twenty four | 423 | 360 | 395 | 240 |
50 | 300 | 175 | 135 | 105 | 88 | 26 | 423 | 410 | 450 | 280 |
65 | 340 | 200 | 160 | 130 | 110 | 28 | 823 | 450 | 494 | 320 |
80 | 380 | 210 | 170 | 140 | 121 | 30 | 823 | 485 | 485 | 360 |
100 | 430 | 250 | 200 | 168 | 150 | 32 | 825 | 537 | 537 | 400 |
150 | 550 | 340 | 280 | 240 | 204 | 38 | 834 | 646 | 646 | 450 |
200 | 650 | 405 | 345 | 300 | - | 44 | 1234 | 813 | 813 | 500 |
J41H / Y-100 J941H / Y-100 J41Y-100I J941Y-100I | ||||||||||
15 | 170 | 105 | 75 | 55 | 40 | 20 | 414 | 195 | 210 | 100 |
20 | 190 | 125 | 90 | 68 | 51 | twenty two | 418 | 228 | 248 | 120 |
25 | 210 | 135 | 100 | 78 | 58 | twenty four | 418 | 250 | 275 | 160 |
32 | 230 | 150 | 110 | 82 | 66 | twenty four | 423 | 326 | 348 | 200 |
40 | 260 | 165 | 125 | 95 | 76 | 26 | 423 | 359 | 388 | 240 |
50 | 300 | 195 | 145 | 112 | 88 | 28 | 425 | 414 | 448 | 280 |
65 | 340 | 220 | 170 | 138 | 110 | 32 | 825 | 434 | 477 | 320 |
80 | 380 | 230 | 180 | 148 | 121 | 34 | 825 | 547 | 598 | 400 |
100 | 430 | 265 | 210 | 172 | 150 | 38 | 830 | 621 | 685 | 450 |
125 | 500 | 310 | 250 | 210 | 176 | 42 | 834 | - | - | - |
150 | 550 | 350, | 290 | 250 | 204 | 46 | 1234 | 840 | - | - |
200 | 650 | 430 | 360 | 312 | 260 | 54 | 1241 | 925 | - | - |
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