Application
- Low pressure hot water systems.
- Pressure systems for marine applications.
Video
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Pressure Relief Valve. |
| Run-time: 25 seconds |
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Requires Windows Media Player to be installed.
Standards
- Complies with NZ Building Code G12 (2001)
- Complies with NZS 4608:1992
- NZ Patent No. 209613
Specifications
| Inlet: |
20mm, 3/4" BSP (male) |
| Outlet: |
15mm, 1/2" BSP (male) |
| Length |
75mm (valve) |
| 107mm (c/w Vacuum Break) |
- Standard pressure settings
- 37 kPa [5.4 P.S.I.]
- 75 kPa [11 P.S.I.]
- 120 kPa [17 P.S.I.]
- Special settings up to 350 kPa [50 P.S.I.].
- Maximum temperature: 99°C
- Vacuum Relief - failsafe against cylinder over pressure and implosion.
- Silicon rubber seals
- DR (Dezincification Resistant) brass.
- Vacuum Break (VBN) available
separately.
Installation
- Refer to Technical Area
for installation guide.
- Install approximately 1 metre above Pressure Reducing and Cold Water Expansion Valves.
- May be installed vertically or horizontally.
- Provide 150mm heat loop.
- Do NOT apply heat near valve during installation.
Accessories
Sectional View
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Product Codes
| RV3.7 |
37 kPa |
| RV7.6 |
75 kPa |
| RV12.2 |
120 kPa |
| RVHP |
Settings up to 350 kPa on request for marine cylinders. |
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