GB Flat Gate Valve Without Diversion Hole
GB Flat Gate Valve Without Diversion Hole
Nominal Diameter: DN50 ~ 700mm, NPS2 "~ 28"
Nominal Pressure: PN1.0 ~ 16.0MPa, Class150 ~ 900Lb
Applicable Temperature: "G" 250 ° C), "D" type (-45 ~ 121 ℃), common type (-29 ~ 121 ℃)
Applicable Medium: "KZ" type (containing H2S and CO2> 500Mg / m3 medium), "Z" Oil, gas, water, etc.)
Product Features
The series of valves with reliable sealing performance, opening and closing torque is small, with anti-sulfur wear, long life, can pass sweater cleaning lines and other characteristics; for water, oil, natural gas, steam and other non-corrosive and corrosive media Of the pipeline system for opening and closing devices, especially for petrochemical, oil, gas, long-distance pipeline and other fields. (4) WF (Y, H) Connection: Flange structure: 3-gate, 4-double gate Seal nature: H-alloy steel, F-reinforced Teflon, Y-Cemented Carbide.
Nominal Pressure | Product Number | |
1.0 to 16.0 MPa | No diversion holes | Z6s43WF, Z6s43WD, Z6s43WY, Z6s43WbF, Z6s43WbY |
There is a diversion hole | Z6s43NF, Z6s43DF, Z6s43YF, Z6s43F, Z6s43D, Z6s43Y |
Performance Specification
Pressure Level | Pressure test at room temperature (MPa) | Applicable temperature (℃) | Applicable media | |||||||
case | Left sealed | Right seal | Low pressure seal | "G" type | "D" type | normal type | "KZ" type | "Z" type | ||
Nominal | 1.0 | 1.5 | 1.1 | 1.1 | 0.6 | -29 ~ 250 | -45 ~ 121 | -29 ~ 121 |
| Oil, natural gas, |
1.6 | 2.4 | 1.76 | 1.76 | 0.6 | ||||||
2.5 | 3.75 | 2.75 | 2.75 | 0.6 | ||||||
4.0 | 6.0 | 4.4 | 4.4 | 0.6 | ||||||
6.4 | 9.6 | 7.04 | 7.04 | 0.6 | ||||||
10.0 | 15.0 | 11.0 | 11.0 | 0.6 | ||||||
16.0 | 24.0 | 17.6 | 17.6 | 0.6 | ||||||
Pound lb | 150 | 2.93 | 2.07 | 2.07 | 0.6 | |||||
300 | 5.52 | 5.52 | 5.52 | 0.6 | ||||||
400 | 10.0 | 7.31 | 7.31 | 0.6 | ||||||
600 | 15.0 | 11.03 | 11.03 | 0.6 | ||||||
900 | 22.4 | 16.54 | 16.54 | 0.6 | ||||||
Main Parts Materials
Part Name | Body, bonnet | gate | Stem | Seat | Stem nut | Sealing ring | Filler | Seal finger |
"Z" type | WCB | Alloy Steel (special treatment) | Stainless Steel | Alloy steel (special treatment) | Aluminum bronze | Filled with tetrafluoroethane | Filled with tetrafluoroethylene, expanded graphite | Oil sealant |
"KZ" type | Resistant to sulfur and stainless steel | Anti-sulfur sealant |
Main Dimensions
DN | PN16 | PN40 | PN40 | PN100 | PN160 | 900Lb |
50 | 178 | 216 | 250 | 292 | 280 | 330 |
65 | 190 | 241 | 280 | 330 | 315 | 356 |
80 | 203 | 283 | 310 | 356 | 380 | 381 |
100 | 229 | 305 | 350 | 432 | 425 | 457 |
125 | 254 | 381 | 400 | 508 | 480 | 559 |
150 | 267 | 403 | 450 | 559 | 530 | 610 |
200 | 292 | 419 | 550 | 660 | 620 | 737 |
250 | 330 | 457 | 650 | 787 | 730 | 838 |
300 | 356 | 502 | 750 | 838 | 850 | 965 |
350 | 381 | 762 | 850 | 889 | 980 | 1029 |
400 | 406 | 838 | 950 | 991 | 1100 | 1130 |
450 | 432 | 914 | 1050 | 1092 | 1200 | 1219 |
500 | 457 | 991 | 1150 | 1194 | 1250 | 1321 |
600 | 508 | 1143 | 1350 | 1397 | 1450 | 1549 |
700 | 610 | 1346 | 1450 | 1549 |
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