Danfoss SCA-X SS 20 angleway stainless steel stop-check valve for industrial-refrigeration line service, code 148B5381. SCA-X combines a manual stop function with an integral check (non-return): it can be closed by hand for isolation and otherwise prevents reverse flow. This is the stainless-steel angleway body with butt-weld inlet and outlet to EN 10220, size 3/4 in (20 mm) — the first SCA-X SS 20 body in the catalog. Stainless steel housing for improved corrosion resistance on CO2 (R744) and ammonia (R717) duty. Maximum working pressure 52 bar (754 psig); media temperature range -60 to 150 C (-76 to 302 F); Kv 10 m3/h (Cv approx 11.6 gal/min). Cap operated. Angleway body places inlet and outlet at 90 degrees.