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Cash Acme 22397LF Drilled Vent Vacuum Relief Valve With Dust Cover, 1/2 in, NPT, 200 psi, Brass Body
CASH-ACME 22397-0000LF 7-C LF VR-801 VACUUM RELIEF VALVE 1/2" DRILLED VENT, WITH DUST COVER
Vacuum Relief Valves
}
Brand: 
Cash Acme 22397LF Drilled Vent Vacuum Relief Valve With Dust Cover, 1/2 in, NPT, 200 psi, Brass Body
3475763
Product ID:3475763
Famous Supply
- Dimensions: 2-1/2 in H x 1-3/4 in W
- Media: Water
- Softgoods Material: Silicon Seat Disc
- Temperature Rating: 210 deg f
- Nominal Size: 1/2 in
- End Style: NPT
- Pressure Rating: 200 psi
- Body Material: Brass
- Domestic/Import: Import
The VR-801 Vacuum Relief Valve is designed to protect hot water supply systems and pressure vessels against negative pressure. It is especially well suited for many domestic and commercial systems. It works by preventing internal vacuum conditions that could result in burned out heaters and/or collapsed storage tanks. Installed on the cold water supply line, the Cash Acme VR-801 closes tightly under pressure and opens at a 1 in mercury vacuum. Atmosphere admitted to the system breaks the vacuum, preventing collapse of the storage tank.
- Features
- Warranty
- Standards & Approvals
- Application
| For protection of commercial hot water supply systems and pressure vessels against negative pressure |
| Prevents internal vacuum conditions: Guards against siphon age, burnt-out heaters and collapsing of storage tanks and negative pressure |
| Opens quickly in emergency situations: Opens on a one inch mercury vacuum |
| Every valve is tested for performance prior to shipping: Specify and install with confidence |
| 1 in Hg vacuum relief pressure (open) |
| 13 SCFM at 2 in Hg capacity |
| Brass body cap/internal parts |
| Stainless steel spring |
| Polypropylene dust cover |
| Lead free |
| 2 Years |
| ANSI Z21.22/CSA 4.4 |
| CSA Certified |
| Plumbing |