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Vacuum relief valve
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Zilan Solar
Zhejiang, China
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ANSI Z21.22 RELIEF VALVE Standard was used in its design and testing.
1. How to use:

Vacuum & Safety Valves are appropriate for container and steam systems, as well as many types of water heaters. It is possible to open the system that was initially closed automatically and dispel any vacuum states that may have appeared while entering air when the steam and water heater systems exhibit a vacuum condition. Avoid this since the water heater waits for the device to be braised to burn or the siphon water is being removed methodically, which could lead to container collapse.
2. Installation instructions:
Vacuum Relief ZA-15 The ZA-15 must be positioned vertically, as shown, between the vacuum valve and the tank; no extra valves need to be built. The valve should be placed at the highest point of the cold water inflow. The site of the installation must be normal and accurate; otherwise, the valves may malfunction or even be damaged!
3. Reminds:

  1. Antifouling scaling: dirt will directly impact the safety valve's ability to operate normally.
  2. To prevent the unique situation of water harm to people and property, a vacuum valve must be built for good protection and wastewater treatment.

Vacuum ≤—0.0034Mpa.
Maximum temperature 110 C
Venting Capacity 1.55L/s
Maximum working pressure 1.38MPa.

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