Minimum and Maximum working temperature: Air: -20° C, 110° C Water: 0° C, 90° C Gas: -20° C, 60° C Available: In all sizes from " up to 4". Thread: ISO228 - DIN259 - Bs2779. Available: In the sizes of 2½"-3" and 4" with American thread NPT.
MATERIALS
Valve Body: Brass CW 617 N. Internal Seat: Stainless steel plate AISI 304 fitted with NBR 60 SH/A, cover plate and rod in brass CW 614N. Spring: Stainless steel - AISI 302.
