Spring-Loaded Safety Relief Valve 19000 Series

Compact safety relief valve for discharge of working fluids during thermal expansion of liquid and other applications.

Type spring-loaded
Nominal diameter Inlet DN 15…50 mm Outlet 25…65 mm
Nominal pressure Inlet ANSI class 150 to 2500 (PN 2,0 ÷ 42 MPa) Outlet ANSI class 150 to 600 (PN 2,0 ÷ 10 MPa)
Operating temperature - 267 to 593 °C
Set pressure 0,035 to 55,1 MPa
Flow area 6 sizes from 0,62 to 3,66 cm²

Technical specifications

Type spring-loaded
Nominal diameter Inlet DN 15…50 mm Outlet 25…65 mm
Nominal pressure Inlet ANSI class 150 to 2500 (PN 2,0 ÷ 42 MPa) Outlet ANSI class 150 to 600 (PN 2,0 ÷ 10 MPa)
Operating temperature - 267 to 593 °C
Set pressure 0,035 to 55,1 MPa
Flow area 6 sizes from 0,62 to 3,66 cm²
Material of construction carbon steel / stainless steel / cold-resistant carbon steel / special steels and alloys
Leakage test API 527
Type of connection Threaded / flanged / welded

With a lifting lever

Cap with a test gag

For hydrogen sulfide service

Backpressure compensation

With a lifting lever

Packed or open lifting lever

Cap with a test gag

With a test gag to hold the safety relief valve closed during hydrostatic test

For hydrogen sulfide service

In accordance with the requirements of the NACE MR 0103/01-75 standard for media containing hydrogen sulfide

Backpressure compensation

Design with a separation plate (for backpressure compensation)

Затвор из нержавеющей стали

Затвор из нержавеющей стали в стандартном исполнении