Temperature: | Ordinary Temperature |
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Type: | Direct-acting |
Material: | Carbon Steel |
Connection Form: | Flange |
Pressure: | Low Pressure |
Actuator: | Manual |
Customization: |
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GOST Cast Steel Gate Valve
Standard specificastion:
Design standard: GOST
Face to Face: GOST
Flange Ends: GOST
Welding connection: GB/T 12224
Test & Inspection: ISO5208
Pressure and temp: GB/T 12224
Main parts materials:
Body: WCB+13Cr, CF8, CF8M, CF3, CF3M, LCC+STL
Disc: WCB+13Cr, CF8, CF8M, CF3, CF3M, LCC+STL
Stem: 2Cr13, F304, F316, F304L, F316L, F304
Bolt: 45#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 35CrMoA
Nut: 35#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 45#
Gasket: SS+Flexible Graphite
Bonnet: WCB+13Cr, CF8, CF8M, CF3, CF3M, LCC
Packing: Graphite
Bolt: 45#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 35CrMoA
Nut: 35#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 45#
Bearing: Bearing steel
Stem nut: ZQAL9-4
Bearing Cover: 25#
Packing Cover: WCB, CF8, CF8M, CF3, CF3M, LCC
Pin: 2Cr13, 304
Bolt: 45#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 45#
Nut: 35#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 35#
Yoke: WCB, CF8
Oil cup: Bronze
Flat key: 35#
Handwheel: GGG40
Lock nut: 25#
Application | |||||||||
1 | Face to face is according to GOST, DIN3202-F4 | ||||||||
2 | Flange drilled is according to GOST DIN2532/2533 | ||||||||
3 | Nominal pressure PN10/PN16 | ||||||||
Test | |||||||||
Working pressure | PN10 | PN16 | |||||||
Shell pressure | 1.5MPa | 2.4MPa | |||||||
Seat pressure | 1.1Mpa | 1.76MPa | |||||||
Main Parts and Materials | |||||||||
Number | Part Name | Material | |||||||
1 | Body | EN-GJL-250 | |||||||
2 | Seat ring | Brass | |||||||
3 | Wedge | CI+Brass | |||||||
5 | Wedge Nut | Brass | |||||||
6 | Stem | AISI 420 | |||||||
7 | Bonnet Gasket | EPDM | |||||||
9 | Bonnet | EN-GJL-250 | |||||||
12 | Stem Sealing | EPDM O Ring | |||||||
13 | Stuffing Nut | Brass | |||||||
21 | Dust Guard | EPDM/NBR | |||||||
Main Dimensions | |||||||||
Size | L | D | D1 | D2 | b | n-d | H | W | W.T |
DN40 | 140 | 150 | 110 | 88 | 16 | 4-18 | 260 | 130 | 8.6 |
DN50 | 150 | 165 | 125 | 102 | 18 | 4-18 | 265 | 130 | 10.9 |
DN65 | 170 | 185 | 145 | 122 | 18 | 4-18 | 293 | 130 | 14.2 |
DN80 | 180 | 200 | 160 | 138 | 20 | 8-18 | 318 | 150 | 20.3 |
DN100 | 190 | 220 | 180 | 158 | 20 | 8-18 | 349 | 185 | 22.8 |
DN125 | 200 | 250 | 210 | 188 | 20 | 8-18 | 416 | 185 | 33.9 |
DN150 | 210 | 285 | 240 | 212 | 22 | 8-22 | 456 | 195 | 42 |
DN200 | 230 | 340 | 295 | 268 | 24 | 8-22 | 537 | 225 | 63.4 |
DN250 | 250 | 395 | 350 | 320 | 26 | 12-22 | 659 | 245 | 91.8 |
DN300 | 270 | 445 | 400 | 370 | 26 | 12-22 | 718 | 285 | 138.6 |
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