Danfoss REG-SA SS HL 20 hand-operated regulating (throttling) valve for industrial-refrigeration service, code 148B5943. Stainless-steel Flexline body, size 3/4 in (20 mm), with butt weld inlet and outlet to EN 10220. The HL (high-lift / fine-regulation) spindle gives repeatable manual throttling of liquid, suction, hot-gas and oil flow with a scaled position indication; the back-seating spindle lets the packing be serviced in operation. This is the straightway body with a sealing cap. Stainless construction suits corrosive and hygienic duties on ammonia (R717), CO2 (R744) and HFC/HCFC refrigerants. Kv 1.5 m3/h (Cv 1.75 gal/min). Maximum working pressure 52 bar (754 psig); media temperature range -60 to 150 C (-76 to 302 F). Conformity assessment PED Article 4, paragraph 3 (sound engineering practice) for DN <= 25. Specifications per Danfoss store code 148B5943.