400 Series / H400 Series
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J^CIRCIi SEAL CONTROLS, INC. 400 Series 0 to 3000 psig Shuttle Valves H400 Series 0 to 6000 psig Shuttle Valves Features & Benefits Quick, positive operation • Minimum interflow • No breakaway friction Double poppet • The shuttle actuates immediately on overriding pressure Positive sealing • Zero leak Note: Proper filtration is recommended to prevent damage to sealing surfaces. How it Works One Inlet to Common Outlet The flow passes easily through the shuttle ports to the common outlet. The o-ring is completely contained by the inner sleeve. Shuttling The shuttle actuates immediately on overriding pressure from the alternate inlet with no breakaway friction and minimum interflow. Alternate Inlet to Common Outlet The flow passes from the alternate port to the common outlet. The floating o-ring seals block the port and prevent leakage with pressure differential of less than 1 psig to 3000 psig. Circle Seal Controls 2301 Wardlow Circle • Corona, CA 92880 Phone (951) 270-6200 Fax (951) 270-6201 www.circle-seal.com

Flow Rates Valve size Zero Zero @ 2 psig up to proof Zero @ 5 psig up to proof Zero @ 100 psig up to proof 10cc/min max. @ 10 to 100 20cc/min max. @ 1 to 10 psig 1cc/min @ 100 psig up Zero leakage is 3 x 10-4 cc/min Female Tube / Male Tube Female Pipe Circle Seal Controls Check Valves

VARIATION H* Modified construction for 6000 psig service (stainless steel valve only) K Cryogenic service, special cleaning and testing (stainless steel valve only) O-RING MATERIAL & TEMPERATURE RANGE 49 Buna N, −65° F to +250° F 59 Buna N, −65° F to +275° F 33 Neoprene, −40° F to +240° F 32 Viton®, −20° F to +400° F 20** Teflon®, −100° F to +400° F 20** Teflon® (K420T Series), −320° F to +165° F 80** Teflon® (no cryogenic testing), −320° F to +165° F, 8 psig max. CRACKING PRESSURE Shown only if normally open port is required END CONNECTIONS— INLET/INLET/OUTLET B Female tube, AND10050 P Female...