Note: This pressure relief valve cannot be used for drinking water.

RDDLZ pressure relief valve with DN25 nominal diameter, the valve is made of 304 stainless steel, nominal pressure is 1.6 MPa. This spring holds a pre-set tension on the valve seat installed with a pressure equalizing mechanism for precise water pressure control. 

Features

• The pressure relief valve accurately controls the dynamic and static pressure, and does not fluctuate due to changes in upstream pressure.
• Its dual piston has a large flow rate (about 3 times that of common similar valves) and low flow noise. This valve is made of stainless steel, which is high-strength and environmentally friendly.
• The internal structure of the spring loaded pressure relief valve is compact and reasonable, saving a lot of installation space.
• The installation environment requirements are simple, the pressure adjustment is wide, and the optimal water supply pressure can be adjusted on site without professional operation.

Specifications

• Model: RDDLZ-Y13X-16P
• Connection Method: Internal Thread
• Material: Stainless Steel 304
• Pressure Level: 1.6Mpa
• Size: 1 inch (DN25)
• Using Temperature: 0-80℃
• Applicable Media: Water, Oil, Normal Temperature Gas
• Pressure Specification: Sealing PN=1.76MPa; Strength PN=2.4MPa
• Total Valve Height: 160mm
• Total Valve Length: 85mm
• Application: Applicable to water supply and drainage pipeline systems in power, urban construction and other industries.

Installation Precautions

1. For easy operation and maintenance, the pressure relief valve is generally installed upright on a horizontal pipe.
2. During installation, care should be taken to ensure that the flow direction of the medium in the pipeline is consistent with the direction of the arrow shown on the valve.
3. In order to prevent the valve from being blocked by debris, a filter should be installed at the front end of the pressure relief valve.
4. In situations where the supply cannot be interrupted, a bypass valve should be provided or a dual-circuit method should be used, one for use and one for backup.
5. When passing water for the first time, care should be taken to exhaust the air in the pipeline to avoid false pressure, to protect the pressure gauge and obtain the correct pressure.

Pressure Relief Valve Applications

Tips: How does a pressure relief valve work?

The pressure relief valve adjusts the flow of the medium by controlling the opening of the opening and closing parts in the valve body and reduces the pressure of the medium. Inside, spray cooling water into the valve body or behind the valve to reduce the temperature of the medium. This valve is called a pressure reducing and temperature reducing valve. The characteristic of this valve is to keep the outlet pressure and temperature within a certain range under the condition of constant change of inlet pressure.