Pressure Test Specification
| Nominal pressure (MPa) | Shell test pressure (MPa) | Sealing test pressure (MPa) | Temperature | Suitable medium |
| 1.6 | 24 | 1.76 | ≤600℃ | Water ,Oil & Gas |
| 2.5 | 3.75 | 2.75 | ||
| 4 | 6 | 4.4 | ||
| 6.3 | 9.45 | 6.93 | ||
| 10 | 15 | 11 | ||
| 16 | 24 | 17.6 | ||
| 25 | 37.5 | 27.5 |
Material of Main Parts
| NO. | Part Name | Part Material |
| 1 | Body | WCB,WC6,WC9,C5,CF8,CF8M,CF3,CF3M |
| 2 | Wedge | WCB WC6,WC9,C5,CF8,CF8M,CF3,CF3M |
| 3 | Seat | A105,304,1Cr5Mo12Cr1Mo1V,316 |
| 4 | Stem | 1Cr13,2Cr131Cr18Ni9Ti,OCr18Ni12Mo2Ti,20Cr1Mo1V,25Cr2MoV |
| 5 | Stud | 35CrMoA OCr18Ni9,OCr17Ni12Mo2,25Cr2MoV |
| 6 | Nut | 45,35CrMoA,25Cr2MoV,OCr18Ni9,0Cr17Ni12Mo2, |
| 7 | Gasket | Graphite & Stainless steel |
| 8 | Back seat | 1Cr13,2Cr131Cr18Ni9Ti,0Cr18Ni12Mo2Ti 20Cr1Mo1V,25Cr2MoV |
| 9 | Bonnet | WCB,WC6,WC9,C5,CF8,CF8M,CF3,CF3M |
| 10 | Packing | Graphite |
| 11 | Gland cover | 1Cr13,2Cr13 1Cr18Ni9TLOCr18Ni12Mo2Ti |
| 12 | Gland flange | WCB,CF8,CF8M,CF3,CF3M |
| 13 | Yoke nut | Copper Alloy |
| 14 | Hand wheel | KTH330,QT400-17 |
PN64 GATE VALVE MAIN EXTERNAL DIMENSIONS(Unit:mm)
| DN | L | D | D1 | D2 | b | Z-d | H |
| 50 | 250 | 180 | 135 | 102 | 26 | 4-22 | 360 |
| 65 | 280 | 205 | 160 | 122 | 26 | 8-22 | 385 |
| 80 | 310 | 215 | 170 | 138 | 28 | 8-22 | 400 |
| 100 | 350 | 250 | 200 | 162 | 30 | 8-26 | 450 |
| 125 | 400 | 295 | 240 | 188 | 34 | 8-30 | 540 |
| 150 | 450 | 345 | 280 | 218 | 36 | 8-33 | 630 |
| 200 | 550 | 415 | 345 | 285 | 42 | 12-36 | 820 |
| 250 | 650 | 470 | 400 | 345 | 46 | 12-36 | 960 |
| 300 | 750 | 530 | 460 | 410 | 52 | 16-36 | 1130 |
| 350 | 850 | 600 | 525 | 465 | 56 | 16-39 | 1300 |
| 400 | 950 | 670 | 585 | 535 | 60 | 16-42 | 1450 |
PN100 GATE VALVE MAIN EXTERNAL DIMENSIONS(Unit:mm)
| DN | L | D | D1 | D2 | b | Z-d | H |
| 50 | 250 | 195 | 145 | 102 | 30 | 4-26 | 360 |
| 65 | 280 | 220 | 170 | 122 | 34 | 8-26 | 385 |
| 80 | 310 | 230 | 180 | 138 | 36 | 8-26 | 400 |
| 100 | 350 | 265 | 210 | 162 | 40 | 8-30 | 450 |
| 125 | 400 | 315 | 250 | 188 | 40 | 8-33 | 450 |
| 150 | 450 | 355 | 290 | 218 | 44 | 12-33 | 630 |
| 200 | 550 | 430 | 360 | 285 | 52 | 12-36 | 820 |
| 250 | 650 | 505 | 430 | 345 | 60 | 12-39 | 960 |
| 300 | 750 | 585 | 500 | 410 | 68 | 16-42 | 1130 |
| 350 | 850 | 655 | 560 | 465 | 74 | 16-48 | 1300 |
| 400 | 950 | 715 | 620 | 535 | 78 | 16-48 | 1450 |
PN160 GATE VALVE MAIN EXTERNAL DIMENSIONS(Unit:mm)
| DN | L | D | D1 | D2 | b | Z-d | H |
| 50 | 300 | 215 | 165 | 132 | 36 | 8-25 | 512 |
| 65 | 340 | 245 | 190 | 152 | 44 | 8-30 | 560 |
| 80 | 390 | 260 | 205 | 168 | 46 | 8-30 | 585 |
| 100 | 450 | 300 | 240 | 200 | 48 | 8-34 | 631 |
| 125 | 525 | 355 | 285 | 238 | 60 | 8-41 | 723 |
| 150 | 600 | 390 | 318 | 270 | 66 | 12-41 | 820 |
| 200 | 750 | 480 | 400 | 345 | 78 | 12-48 | 990 |
| 250 | 838 | 580 | 485 | 425 | 88 | 12-54 | 1200 |
| 300 | 965 | 665 | 570 | 510 | 100 | 16-54 | 1450 |