small ductile cast iron air relief valve for water use
| 1 | Material: | Ductile iron |
| 2 | Size: | DN40-DN300mm |
| 3 | Standard: | BS, DIN, EN |
| 4 | Working Temperature: | 0.6-52℃ |
| 5 | Working Pressure: | 16Kg/cm2 |
| 6 | Shell Test Pressure: | 24Kg/cm2 |
| 7 | Seat Test Pressure: | 18Kg/cm2 |
| 8 | Media: | Water |
| 9 | External and Internal Coating: | 100% fusion-bonded epoxy |
| 10 | Flange Drilled according to BS4504 table 10/11, 16/11; EN1092 PN10, PN16 | |
Material For Main Parts
| No. | Part | Material | Standard | |||
| US | BS | DIN | EN | |||
| 1 | Body | Ductile iron | BS2879 500-7 | DIN1693 GGG50 | EN1563 GJS500 | |
| 2 | Float guide | ABS | ||||
| 3 | Bolt | Zinc-plated steel | BS4190 | |||
| 4 | O-ring | EPDM | BS2949 | |||
| 5 | Cover | Ductile iron | BS2879 500-7 | DIN1693 GGG50 | EN1563 GJS500 | |
| 6 | Nut | Zinc-plated steel | BS4190 | |||
| 7 | Seat | EPDM | BS2494 | |||
| 8 | Gasket | EPDM | BS2494 | |||
| 9 | Cap | Nylon | ||||
| 10 | Screw | Stainless steel | BS970 304S 15 | |||
| 11 | Bracket | Nylon | ||||
| 12 | Hinge pin | Stainless steel | BS970 304S 15 | |||
It’s our pleasure to serve the water and wastewater industry, We hope we get the opportunity to do business with you soon!
Shanxi Midas Industrial Co.,LTD
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