Active Member
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[China]
Address: No.159 Jiugan road Sijing industrial zone Songjiang District Shanghai, China
Contact name:Steve
Shanghai kangquan Valve Co. Ltd. |
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Large Ductile Iron Swing Check Valve With Viton Seat Zinc Plated Door
Ductile Iron Swing Check Valve Application:
The Check valve is used for preventing the back-going of medium in pipelines and equipments, and the
pressure of medium will bring the result of opening and closing automatically.
When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
Buffer Check Valve
Ductile Iron Body
Viton Seat
Double Door / Plate
Zinc Plated door
PN10
Ductile Iron Swing Check Valve Standards
Design and manufacture as BS1868, ANSI B16.34
Face to face dimensions as ANSI B16.10
End flange dimension as ANSI B16.5
Pressure-temperature ratings as ANSI B16.34
Pressure test as API 598
Applicable Medium: water ,gas,oil,and other causticity medium.
Ductile Iron Swing Check Valve Application:
Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.
When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
| Specification | ||||||
| 1 | Face to face according to DIN3202-K3. | |||||
| 2 | Flange drilling according to ANSI125/150;DIN2501PN10/PN16;AS2129 Table E;JIS10K ect. | |||||
| 3 | Working Pressure: PN10;PN16 | |||||
| Main Parts and Materials | ||||||
| Number | Part Name | Material | ||||
| 1 | Body | GGG50 | ||||
| 2 | Disc | SS304 | ||||
| 3 | Stem | SS304 | ||||
| 4 | Spring | SS304 | ||||
| 5 | Washer | PTFE | ||||
| 6 | Washer | PTFE | ||||
| 7 | Gasket | NBR | ||||
| 8 | Hex nut | A193A | ||||
| Main Dimensions | ||||||
| DN | D | D1 | D2 | L | R | t |
| 50 | 107 | 65 | 40 | 43 | 27 | 18.4 |
| 65 | 127 | 80 | 60 | 46 | 35 | 19.8 |
| 80 | 142 | 94 | 70 | 64 | 42 | 27.7 |
| 100 | 162 | 117 | 88 | 64 | 50 | 27.7 |
| 150 | 218 | 171 | 134 | 76 | 77 | 31.6 |
| 200 | 273 | 224 | 182 | 89 | 102.5 | 32.9 |
| 300 | 378 | 310 | 260 | 114 | 146 | 43.3 |
| 350 | 446 | 360 | 298 | 127 | 170 | 45.3 |
| 400 | 488 | 410 | 350 | 140 | 195 | 52.3 |
| 450 | 546 | 450 | 385 | 152 | 215 | 58.2 |
| 500 | 594 | 505 | 438 | 152 | 238 | 58.3 |
| 600 | 700 | 624.5 | 538 | 178 | 292 | 74.6 |
| 700 | 820 | 720 | 662 | 229 | 345 | 96 |
| 800 | 930 | 825 | 762 | 241 | 394 | 99 |
Test Pressure
Test Item | Shell Test | Seal Test | Back Seal Test | Air Seal Test | |||||
Medium | Water | Air | |||||||
Unit | MPa | lbf/in2 | MPa | lbf/in2 | MPa | lbf/in2 | MPa | lbf/in2 | |
Pressure (Class) | 150 | 3.1 | 450 | 2.2 | 315 | 2.2 | 315 | 0.5-0.7 | 60-100 |
300 | 7.8 | 1125 | 5.6 | 815 | 5.6 | 815 | |||
400 | 10.3 | 1500 | 7.6 | 1100 | 7.6 | 1100 | |||
600 | 15.3 | 2225 | 11.2 | 1630 | 11.2 | 1630 | |||
900 | 23.1 | 3350 | 16.8 | 2440 | 16.8 | 2440 | |||
1500 | 38.4 | 5575 | 28.1 | 4080 | 28.1 | 4080 | |||
