Koso Gate Valves.

Parallel slide has KOSO's own design/construction to realize very good and firm metal-to-metal touch sealing performance.
Its execellent shut-off performance, brought about by the metal-to-metal sealing, makes it suitable to a variety of severe services, including emergency shut-off/opening at extremely low to high temperature.

FEATURES: Body class 150/300 600 900/1500 2500 Body size 1 1/2"(40A) to 54"(1350A) 1 1/2"(40A) to 24"(600A) 3"(80A) to 16"(400A) 3"(80A) to 16"(400A) Body rating ANSI Class 150/300 JIS 10K to 30K ANSI Class 600 JIS 40K ANSI Class 900/1500 JIS 63K ANSI Class 2500 Fluid temperature -196 to +538° Connections Flanged (RF, RTJ), Butt Weld, Socket Weld Body materials SCPH2/WCB, SCPH21/WC6, SCPL1/LCB, SCS13A/CF8, SCS14A/CF8M etc. Disc materials A105/Stellited, SCM435/Stellited, SUS304/Stellited, SUS316/Stellited Seat materials Rangeability Standard type/15:1 to 20:1 V-Orifice type/20:1 to 30:1 Flow characteristics Approximate Linear Seat Leakage Rated Cv × 0.000001% ANSI Class V Actuator combination 5200LA: Pneumatic Diaphragm Actuator 6100LA: Pneumatic Cylinder Actuator Electric Motor Actuator(Limitorque, Rotork, Seibu, etc.)