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365betͶע / Globe Valves / GB Globe Valves Consulting Hotline: 021-331007323

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GB stop valve


GB stop valve
Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

Reasonable price: efficient internal cost control, reducing expenses and benefiting customers!

Fast delivery: advanced production lines, sufficient stocking, shortening the delivery time!
Sales: 021-31007323
Fax: 021-333321522
Technology: 021-31007323

product manual Pledge Order process

 

  Product name : GB stop valve Product model : Z41, Z641, Z941
   Driving method : Manual, pneumatic, electric Connection form : Flange  
   Structure form : Straight-through      Sealing material : Hard alloy, fluorine plastic, nylon plastic
   Pressure range : 1.6 ~ 16.0MPa    Nominal diameter : DN10-DN300
   Common materials : Carbon steel, stainless steel    Technical consultation : 021-31007323

是国内著名〖 国标截止阀 〗制造商,也是国内大型【 截止阀 】生产商之一,公司自成立以来始终围绕客户的需求并持续创新,为广大的代理商和企业客户提供〖国标截止阀 〗解决方案,质量可靠,价格实惠,故畅销全国各地,欢迎新老客户来电,来函,我们将为您提供最优质的服务 Hushan Valve Manufacturing (Shanghai) Co., Ltd. is a well-known manufacturer of “ National Standard Globe Valves” and one of the large domestic [ Globe Valves ] manufacturers. Since its establishment, the company has always focused on customer needs and continued to innovate. And enterprise customers to provide the "National Standard Globe Valve" solution, reliable quality and affordable, so it sells all over the country, welcome new and old customers to call us, email us, we will provide you with the best quality service .

I. Introduction of National Standard Globe Valve

   属于强制密封式阀门,所以在阀门关闭时,必须向阀瓣施加压力,以强制密封面不泄漏。 The national standard globe valve is a compulsory sealed valve, so when the valve is closed, pressure must be applied to the valve disc to force the sealing surface to not leak. When the medium enters the valve from below the valve disc, the resistance to be overcome by the operating force is the friction between the valve stem and the packing and the thrust generated by the pressure of the medium. The force to close the valve is greater than the force to open the valve. The diameter must be large, otherwise the valve top bending failure will occur. In recent years, since the emergence of self-sealing valves, the medium flow direction of the flange cut-off valve has changed from the upper part of the disc into the valve cavity. At this time, under the action of the medium pressure, the force to close the valve is small, and the force to open the valve is large. The diameter of the rod can be reduced accordingly. 不锈钢气动阀门 也较严密。 At the same time, under the action of the medium, this type of stainless steel pneumatic valve is also tight. 截止阀 的流向,一律采用自上而下 China ’s valve “three transformations” have stipulated that the flow direction of the shut-off valve shall be top-down.

Manual stop valve (throttle valve)
Implementation standards
Design and Manufacturing Structure length Flange size Pressure-temperature Test-inspection
GB12235 GB12221 GB9113 JB79 GB9131 GB / T13927 JB / T9092
Stress 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
Upper seal test 1.8 2.8 4.4 7.04 11.0 18.0
Hermetic seal test 0.4-0.7

国标截止阀主要零件材料及性能 Material and performance of main parts of national standard globe valve
 
Body cover Valve stem Sealing surface Gasket (ring) filler Working temperature ℃ Applicable medium
WCB 2Cr13 13Cr
STL
Body material
nylon
Reinforced flexible graphite
1Crl3 / Flexible graphite
08 mild 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
Globe valve PN l. 6MPa


国标截止阀规格主要尺寸 Third, the national standard stop valve specifications
 
1.6MPa DN L D D1 D2 b n-Φd H D0
Convex flange
RF
J41H
J41Y
J41W
J41F
J41N
 
16C
16P
16R
16I
10 130 90 60 40 14 4-Φ14 198 120
15 130 95 65 45 14 4-Φ14 218 120
20 150 105 75 55 14 4-Φ14 258 140
25 160 115 85 65 14 4-Φ14 275 140
32 180 135 100 78 16 4-Φ18 280 160
40 200 145 110 85 16 4-Φ18 330 180
50 230 160 125 100 16 4-Φ18 350 200
65 290 180 145 120 18 4-Φ18 370 280
80 310 195 160 135 20 8-Φ18 400 280
100 350 215 180 155 20 8-Φ18 415 320
125 400 245 210 185 twenty two 8-Φ18 460 360
150 480 280 240 210 twenty four 8-Φ23 510 450
200 600 335 295 265 26 12-Φ23 710 500
250 650 405 335 320 30 12-Φ25 786 550
300 750 460 410 375 30 12-Φ25 925 600
Globe valve PN 2.5MPa

Fourth, the main size of the national standard stop valve specifications
 
2.5MPa DN L D D1 D2 b n-Φd H D0
Convex flange
RF
J41H
J41Y
J41W
J41F
J41N
 
25C
25P
25R
25I
10 130 90 60 40 16 4-Φ14 198 120
15 130 95 65 45 16 4-Φ14 218 120
20 150 105 75 55 16 4-Φ14 258 140
25 160 115 85 65 16 4-Φ14 275 140
32 180 135 100 78 18 4-Φ18 280 160
40 200 145 110 85 18 4-Φ18 330 180
50 230 160 125 100 20 4-Φ18 350 200
65 290 180 145 125 twenty two 8-Φ18 400 280
80 310 195 160 135 twenty two 8-Φ18 355 280
100 350 230 190 160 twenty four 8-Φ23 415 320
125 400 270 220 188 28 8-Φ25 460 360
150 480 300 250 218 30 8-Φ25 510 450
200 600 360 310 278 34 12-Φ25 710 500
250 622 425 370 332 36 12-Φ30 786 550
300 698 485 430 390 40 16-Φ30 925 600
Shut-off valve
 
国标截止阀 规格主要尺寸 Five, the main size of the national standard stop valve specifications
 
4.0MPa DN L D D1 D2 D6 b n-Φd H D0
Concave and convex flange
MFM
J41H
J41Y
J41W
J41N
 
40
40P
40R
40I
10 130 90 60 41 35 14 4-Φ14 198 120
15 130 95 65 45 40 16 4-Φ14 233 120
20 150 105 75 55 51 16 4-Φ14 295 140
25 160 115 85 65 58 16 4-Φ14 285 160
32 180 135 100 78 66 18 4-Φ18 302 160
40 200 145 110 85 76 18 4-Φ18 355 200
50 230 160 125 100 88 20 4-Φ18 373 200
65 290 180 145 120 110 twenty two 8-Φ18 408 280
80 310 195 160 135 121 twenty two 8-Φ18 436 280
100 350 230 190 160 150 twenty four 8-Φ23 480 320
125 4001 270 220 188 176 28 8-Φ25 588 360
150 480 300 250 218 204 30 8-Φ25 611 400
200 600 375 320 282 260 38 12-Φ30 720 400
6.4MPa 15 170 105 75 55 40 18 4-14Φ 195 400
Concave and convex flange
MFM
J41H
J41Y
J41W
J41N
 
64
64P
64R
64I
20 190 125 90 68 51 20 4-Φ18 228 160
25 210 135 100 78 58 twenty two 4-Φ18 275 180
32 230 150 110 82 66 twenty four 4-Φ23 325 200
40 260 165 125 95 76 twenty four 4-Φ23 360 240
50 300 175 135 105 88 26 4-Φ23 410 280
65 340 200 160 130 110 28 8-Φ23 450 320
80 380 210 170 140 121 30 8-Φ23 485 360
100 430 250 200 168 150 32 8-Φ25 537 400
125 500 295 240 202 176 36 8-Φ30 631 400
150 550 340 280 240 204 38 8-Φ34 646 450
200 650 405 345 300 260 44 12-Φ34 813 500
10.0MPa 10 170 100 70 50 35 20 4-Φ14 198 140
Concave and convex flange
MFM
J41H
J41Y
J41W
 
100
100P
100R
100I
15 170 105 75 55 40 20 4-Φ14 202 140
20 190 125 90 68 51 twenty two 4-Φ18 228 160
25 210 135 100 78 58 twenty four 4-Φ18 250 180
32 230 150 110 82 66 twenty four 4-Φ23 326 200
40 260 165 125 95 76 26 4-Φ23 360 240
50 300 195 145 112 88 28 4-Φ25 414 280
65 340 220 170 138 110 32 8-Φ25 434 320
80 380 230 1810 148 121 34 8-Φ25 547 360
100 430 265 210 172 150 38 8-Φ30 621 400
125 500 310 250 210 176 42 8-Φ34 732 400
150 550 350 290 250 204 46 12-Φ34 840 450
16.0MPa 200 65 430 360 312 260 54 12-Φ41 925 500
Concave and convex flange
MFM
J41H
J41Y
J41W
 
160
160P
160R
160I
15 170 110 75 52 40 twenty four 4-Φ18 148 140
20 190 130 90 62 51 26 4-Φ23 158 160
25 210 140 100 72 58 28 4-Φ23 175 180
32 230 165 115 85 66 30 4-Φ25 200 200
40 260 175 125 92 76 32 4-Φ27 231 240
50 300 215 165 132 88 36 8-Φ25 262 280
65 340 245 190 152 110 44 8-Φ30 303 320
80 380 260 205 168 121 46 8-Φ30 341 360
100 430 300 240 200 150 48 8-Φ34 485 400


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