Air Compressor Pressure Relief Valve (Safety Valve)

This safety valve is specifically designed for use in air compressor systems to protect the equipment and piping from overpressure by automatically relieving excess air pressure.

Key Specifications

Function: Pressure Relief / Safety protection for air compressors.
Suitable Medium: Air .
Maximum Applicable Temperature: $\le 120^\circ\text{C}$ .
Pressure Setting: Adjustable by the customer .
Nominal Diameter (DN): 10–50 mm
Pressure Rating: 1.0–1.6 MPa

Main External and Connection Dimensions

The valve is available in a range of nominal diameters, with corresponding threaded connection sizes (Interface Diameter):

Nominal Diameter (DN)	Interface Diameter (NPS/Inches)	Suitable Medium	Max. Temperature
DN15	$1/2$	Air	$\le 120^\circ\text{C}$
DN20	$3/4$	Air	$\le 120^\circ\text{C}$
DN25	$1$	Air	$\le 120^\circ\text{C}$
DN32	$1-1/4$	Air	$\le 120^\circ\text{C}$
DN40	$1-1/2$	Air	$\le 120^\circ\text{C}$
DN50	$2$	Air	$\le 120^\circ\text{C}$

Ordering Requirements (Notes)

When placing an order for this air compressor safety valve, please provide the following essential details to ensure the correct valve is supplied:

Model : The specific valve series or model number.
Pressure: The desired Set Pressure / Cracking Pressure.
Nominal Diameter / Caliber : The DN size (e.g., DN25) or interface diameter (e.g., $1''$ ).
Material : The material requirement for the valve body and internal components.
Opening Pressure : The exact pressure value at which the valve must begin to discharge.
Medium : Air.
Temperature : The maximum expected operating temperature.

Would you like assistance in determining the correct opening pressure for your air compressor’s storage tank?