Product Details:
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| Pressure: | Lower Pressure | Body: | DI /CS / WCB / SS |
|---|---|---|---|
| Standard: | API / DIN / BS / EN / ISO / JIS | Seat: | EPDM / Bronze / SS |
| Size: | DN300 ~ DN3000 | Application: | Domestic Sewage / Seawater / River Water |
| High Light: | swing type check valve,swing type non return valve |
||
Lower Pressure Swing Check Valve For Domestic Sewage / Seawater / River Water
Notice: the nominal diameters DNand flange bolt hole distance D1,hole number, hole diameter etc.
In this table can be designed based on the demand of the customer.
Take * number specification for non-standard products.
| 1.Caliber side: round DN300mm~2000mm square 300mm~3000mm |
| 2.Working medium: with a ph of industrial, domestic sewage, seawater, river water, with a weak acid alkali industry, domestic sewage, seawater |
| 3.Working temperature : ≤60°C, and according to use requirement , the maximum temperature resistance of flap valve can be designed to reach 100°C |
| 4.Working pressure : normal pressure to 0.25Mpa |
| 5.Seal type :lip-shape seal , hollow round pipe seal |
| 6.Open angle of flap valve cover : ＞75° |
| 7.Open when the water level inside flap valve cover is higher than outside water level by 50mm~250mm ( related to flap valve obliquity , weight and caliber size ) , and it can be designed according to the demand of the customer. |
| 8.hardness : ≥40 |
| 9.Specific gravity: 1.6~1.9 |
| 10.Use life: more than thirty years |
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.
| material: | |||
| NO | parts | qty | material |
| 1 | body | 1 | 316 |
| 2 | O-ring | 2 | EPDM |
| 3 | disc | 1 | 316 |
| 4 | O-ring | 1 | EPDM |
| 5 | eye bol | 1 | 316 |
| 6 | small cover | 2 | 316 |
| 7 | pin | 1 | 316 |
| 8 | retainer screw | 2 | 316 |
| 9 | big cover | 2 | 316 |
| 10 | bolt | 2 | 316 |
| 11 | spring | 1 | 316 |
| 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 | ||||
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
.
Contact Person: Hu
Tel: 86-13957755057
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