NPT Thread Combination Air Release Vacuum Valve
Single Air Release Valve Single Body Thread Type Small Air Venting BSP/NPT Thread
Description:
ARVS is a single air release valve, air venting function, 304SS float and trim,EPDM seat, BPT or NPT thread, PN10/16.
Feature:
ARVS-Single air release valve is commonly installed in the peak in the pipeline, and used for exhausting the compressed air in pipeline system, generally there will be about 2% of dissolved air in water and it will release as bubbles and thru the air release valve nozzle. It can prevent the existence of bubble gap for flow, this can help a better efficiency for transmission of flow.
• High grade ductile iron body, reduce the weight and much longer life than cast iron.
• Simple mechanism with lever and float.
• The float and internal mechanism are made of AISI 304 stainless steel and last for much longer life cycles.
• Epoxy coating for both inside and outside.
• Male connection can easily be connected to isolated valves, no need further nipples..
• End connection can be BSPT or NPT thread.
Material
| No. | Part Name | Material | Standard |
| 1 | Body | Ductile iron | EN-GJS500-7 |
| 2 | Seat | Rubber | EPDM |
| 3 | Pin | Stainless Steel | AISI304 |
| 4 | Bonnet | Ductile iron | EN-GJS500-7 |
| 5 | Small Nozzle | Stainless Steel | AISI304 |
| 6 | Hex Bolt | Stainless Steel | AISI304 |
| 7 | Washer | Stainless Steel | AISI304 |
| 8 | O-ring | Rubber | NBR |
| 9 | Support Plate | Stainless Steel | AISI304 |
| 10 | Hex Bolt | Stainless Steel | AISI304 |
| 11 | Float | Stainless Steel | AISI304 |
Dimension
| DN | Model No. | A | C | H |
| 15 | ARVS-0015-BP | G 1/2 | 20 | 152 |
| 20 | ARVS-0020-BP | G 3/4" | 20 | 152 |
| 25 | ARVS-0025-BP | G 1" | 20 | 152 |
| Remarks:BP--British Pipe Thread | ||||
Air Flow Characteristic
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