Twxy is a common spring relief valve. Twxyb is a balance piston type pressure relief valve. Flange, external thread and internal thread connection can be adopted. It can be applied to pressure equipment of gas and liquid medium.

Specification 1 / 4 "X1 / 4" ~ 1 "X1"

Pressure class 150-2500, pn16-pn420

Throat diameter B ~ d (0.283 ~ 0.71cm)

Temperature range - 29 ° C ~ 232 ° C

Set pressure 0.34 ~ 413barg

Standard ASME VIII