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Safety Valves
5 products available
5 products found
NPT/NPT Safety Valve
A straight, full in-line spring-loaded safety valve built to protect larger refrigeration and air-conditioning pressure vessels from overpressure. It opens automatically the moment internal thrust exceeds the spring force, then re-seats as pressure falls. Two models cover DN20-DN25 with 3/4" and 1" NPT connections, brass bodies, and five standard set pressures from 2.0 to 3.4 MPa.
NPT/SAE Safety Valve
A compact straight safety valve that combines a threaded NPT inlet with a 45° SAE flare outlet, giving service teams a metal-to-metal flare joint that can be disconnected without cutting or brazing. Four models span DN8-DN15 with inlets from 1/4" to 1/2" NPT. Like the rest of the FS range, each valve is spring direct-loaded, factory set and lead-sealed, with five standard set pressures from 2.0 to 3.4 MPa.
Angle SAE Safety Valve
A 90° angle-body safety valve that routes discharged refrigerant out to the side, saving vertical space and simplifying piping on compact chillers and packaged units. Five models cover DN8-DN15 with NPT inlets from 1/4" to 1/2" and SAE flare outlets from 3/8" to 5/8". Each valve is spring direct-loaded, factory set and lead-sealed, with five standard set pressures between 2.0 and 3.4 MPa and custom settings available.
Angle G-Thread Safety Valve
An angle-body safety valve made for systems that use parallel G (BSPP) pipe threads on the discharge side. It keeps the familiar spring direct-loaded action and lead-sealed factory setting, while a male NPT inlet at the bottom feeds a G-thread side outlet. Two models cover DN10-DN15 with 3/8" and 1/2" NPT inlets and G1/2 outlets, for export equipment built around European-style parallel pipe threads.
Dual Outlet Relief Valve
A manifold-style pressure relief valve with a single NPT inlet and two parallel discharge ports, allowing vented refrigerant to leave through twin outlets on larger receivers and pressure vessels. Six models cover NPT 1/4" through 1-1/4", DN8-DN32, with a maximum working pressure of 4.2 MPa and a maximum compression pressure of 6.3 MPa. The brass valve is rated for the main HCFC, HFC and HFO refrigerants from −40 °C to +150 °C.
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