TEKO Industry Co., Limited
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Piston Lift Type Wafer Style Check Valve Quick Closing For Chemicals / Petrochemicals
Short Pattern Quick Closing Pistion Lift Type Wafer Check Valve, Wafer Poppet Valve
Quick Info
Size:2~40"(DN50~DN1000)
Rating:150~2500LB (PN16~PN420)
Body Materials:Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
End Connection: Wafer
Design & Manufacturing Standard:BS1868,ASME B16.34
Structure Length Size:ASME B16.10,EN558
Flange Connection Size:ASME B16.5,EN1092
Check & Experiment:API 598,BS 6755,EN12266
Technical Parameters
| Model | PN(Mpa) | Pressure test(Mpa) | Temperature | Medium | |
| Shell | Seal | ||||
| H71H-16Q | 1.6 | 2.4 | 1.76 | ≤235℃ | Water |
| H71H-25Q | 2.5 | 3.75 | 2.75 | ≤235℃ | |
| H71W-25H | ≤300℃ | ||||
| H71W-25P | ≤200℃ | Water,oil,steam,etc. | |||
| H71W-40H | 4.0 | 6.0 | 4.4 | ≤300℃ | |
| H71W-40P | ≤200℃ | Water,steam, corrosive medium | |||
Main Dimensions
| DN | L | D | DN | L | D | ||||
| 1.6 | 2.5 | 4.0 | 1.6 | 2.5 | 4.0 | ||||
| 15 | 25 | 48 | 48 | 48 | 80 | 71 | 140 | 140 | 140 |
| 20 | 31.5 | 58 | 58 | 58 | 100 | 80 | 160 | 165 | 165 |
| 25 | 35.5 | 68 | 68 | 68 | 125 | 110 | 190 | 195 | 195 |
| 32 | 40 | 80 | 80 | 870 | 150 | 125 | 215 | 225 | 225 |
| 40 | 45 | 90 | 90 | 90 | 200 | 160 | 270 | 285 | 390 |
| 50 | 56 | 105 | 105 | 105 | 250 | 200 | 330 | 340 | 350 |
| 65 | 63 | 125 | 125 | 125 | 300 | 250 | 385 | 400 | 415 |