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Current position:Home >> Products >> Gate valve >> GB forged steel flange valve

GB forged steel flange valve

Model: Z41H
Nominal diameter: DN15 ~ 50mm
Nominal pressure: PN1.0 ~ 10.0MPa
Main material: A105, LF2, F5, F11, F22, F304, F316, F304L, F316L
Design and manufacture: GB12234GB1221GB9131
Structure Length: JB / T74
Connection Flange: GB9112 ~ 9131
Pressure - Temperature: HGJ67JB / T74 ~ 90
Test and Inspection: HGJ44 ~ 76JB / T9092


Forged steel gate valve Overview:

Forged steel gate valve has three kinds of bonnet design, the first is a bolt-type valve bonnet, connected by concave and convex surface, stainless steel with flexible graphite spiral wound gasket, ring can also be used on request connection, the second is the welding bonnet, Sealing by thread after welding, according to demand can also be directly used rigid welding, the third is self-sealing bonnet, threaded and self-sealing bonnet connection.

 


Forged steel gate valve standard material detail:

Serial number

Part Name CStoASTM AStoASTM SStoASTM
A105 F22 F304 (L) F316 (L)






1 Body A105 A182F22 A182F304 (L) A182F316 (L)
2 Seat A276420 A276304 A276304 (L) A276316 (L)
3 gate A182F430 & 410 A182F304 A182F304 (L) A182F316 (L)
4 Valve stem A182F6 A182F304 A182F304 (L) A182F316 (L)
5 Gasket 316 clip flexible graphite 316 Clamp PTFE
6 cap A105 A276f304 A276F304 (L) A276F316 (L)
7 bolt A193B7 A193B16 A193B8 A193B8M
8 Pin A276420 A276 304
9 Packing pressure sleeve A276410 A182F304 (L) A182F316 (L)
10 Easter bolt A193B7 A193B16 A193B8 A193B8M
11 Packing platen A105 A182F11 A182F304 (L) A182F316 (L)
12 Nut A1942H A1944 A1948 A1948M
13 Stem nut A276420
14 fasten the screw nut A1942H A1944 A1948 A1948M
15 Nameplate SS
16 Handwheel A197
17 Gasket A473431
18 filler Flexible graphite PTFE
Suitable media Water, steam, oil and so on Water, steam, oil and so on Nitric acid, acetic acid and so on
proper temperature -29 ° C to 425 ° C -29 ° C to 550 ° C -29 ℃ ~ 200 ℃

Note: Other materials required by the customer may also be used. Seal Material Matching Customers Specified Internal Part Code Decision

CS = carbon steel; AS = alloy steel; SS = stainless steel; 
 
 forged steel gate valve size (MM)
 (PN6.4MPa)

DN (mm) L D D1 D2 bf z-φd H
Z40H-64C Z41Y-64C Z40Y-64P / R / PL / RL Z41Y-64P / R / PL / RL Z40W-64P / R / PL / R      
       Z41W-64P / R / PL / R Z40Y-641 Z41Y-641 (KZ41Y )
15 170 105 75 55 18-2 4-φ14 185
20 190 125 90 68 20-2 4-φ18 200
25 210 135 100 78 22-2 4-φ18 225
32 230 150 110 82 24-2 4-φ23 380
40 240 165 125 95 24-3 4-φ23 300
50 250 175 135 105 26-3 4-φ23 360
65 280 200 160 130 28-3 8-φ23 385
80 310 210 170 140 30-3 8-φ23 400
100 350 250 200 168 32-3 8-φ25 450
125 400 296 240 202 36-3 8-φ30 540
150 450 340 280 240 38-3 8-φ34 630
200 550 405 345 300 44-3 12-φ34 820
250 650 470 400 352 48-3 12-φ41 960
300 750 530 460 412 54-4 16-φ41 1130
350 850 595 525 475 60-4 16-φ41 1300
400 950 970 585 525 66-4 16-φ48 1450
450 1050 715 630 570 70-4 20-φ48 1550
500 1150 800 705 640 70-4 20-φ54 1680
600 1350 930 820 750 76-5 20-φ58 1900

 

(PN1.0MPa)

DN (mm) L D D1 D2 bf z-φd H
Z40H-64C Z41Y-64C Z40Y-64P / R / PL / RL Z41Y-64P / R / PL / RL Z40W-64P / R / PL / R      
       Z41W-64P / R / PL / R Z40Y-641 Z41Y-641 (KZ41Y )
15 170 105 75 55 20-2 4-φ14 185
20 190 125 90 68 22-2 4-φ18 200
25 210 135 100 78 24-2 4-φ18 225
32 230 150 110 82 24-2 4-φ23 380
40 240 165 125 95 26-3 4-φ23 300
50 250 196 145 112 28-3 4-φ25 360
65 280 220 170 138 32-3 8-φ25 385
80 310 230 180 148 34-3 8-φ25 400
100 350 265 210 172 38-3 8-φ30 450
125 400 310 250 210 42-3 8-φ34 450
150 450 350 290 250 46-3 12-φ34 630
200 550 430 360 312 54-3 12-φ41 820
250 650 500 430 382 60-3 12-φ41 960
300 750 585 500 442 70-3 16-φ48 1130
350 850 655 560 498 46-4 16-φ54 1300
400 950 715 620 558 80-4 16-φ54 1450
450 1050 770 675 615 84-4 16-φ58 1550
500 1150 870 760 690 90-5 20-φ58 1880
Group address:No.342, Hesheng Yutingyuan, Xiangju Road, Qingpu District, Shanghai

Hotline:+86-21-69755076   59755666   69755027   69755026   57339828
Investment call: +86-15021631111
Fax:+86-21-69755075     E-mail:sales@sgfm.cn
Factory address:No. 1798, Wang Wei East Road Fengjing Development Zone Jinshan District Shanghai City
Copyright © Shen Gao Valve Group Co., Ltd.        www.shengao-valve.com
HuICP No. 11031085-3    No.31011802002466    Technical support:Fengsheng technology
Group address:No.342, Hesheng Yutingyuan, Xiangju Road, Qingpu District, Shanghai
Hotline:+86-21-69755076   59755666
     +86-21-69755027   69755026   57339828
Investment call: +86-15021631111
Fax:+86-21-69755075   E-mail:sales@sgfm.cn
Factory address:No. 1798, Wang Wei East Road Fengjing Development Zone Jinshan District Shanghai City
Copyright © Shen Gao Valve Group Co., Ltd.
www.shengao-valve.com
HuICP No. 11031085-3
No.31011802002466
Technical support:Fengsheng technology