Check Valves from Asahi / America

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	Actuators Air Electric Pneumatic Check Valves Foot Swing Flow Meters Variable Area Valves Ball Butterfly Control Foot Gate Plastic PVC

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Asahi / America

Malden, MA

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		Check Valves We offer two basic types of check valves: swing check valves and ball check valves. A swing check valve utilizes a swinging disc, which requires only minimal back pressure to close the valve. This valve can also be modified, with a lever and weight or spring, to assist in seating faster to eliminate shock. The Asahi/America ball check valve employs a free moving ball, which unseats to permit flow in one direction, but seals against a seat to prevent backflow. Both types of valves may be installed vertically or horizontally. Request Quote View Literature

		Swing Check Valve Features and Benefits: • Minimum flow resistance - Low pressure drop • Horizontal or vertical installation • All sizes rated for full vacuum service • Minimum back pressure to seat disc tightly • Top access cover facilitates maintenance without body removal from pipeline • All thermoplastic body • All PVC parts made of high impact PVC • PVC and PP Valves come with EPDM seals (Part #'s 5j, 5k, 6 and 7) as standard • PVDF Valves, Part #'s 5j and 7 of PTFE and 6 of PVDF bonded EPDM • 3/4" PP Valves supplied with Ring 1a Materials: • Sizes: 3/4" - 8" • Models: Flanged (ANSI) Connection Only - Lever and Weight Option • Bodies: HI-PVC, PP and PVDF • Seats: EPDM, FKM, PTFE • Seal: EPDM, FKM, PTFE Request Quote View Literature

		Ball Check Valve-True Union Features and Benefits: • Uniseat/seal of EPDM or FKM • Ball is the only moving part. It unseats to permit flow in one direction but seals against seat to prevent backflow. • May be used vertically or horizontally • Minimum shut-off of 5 psi • All sizes rated for full vacuum service • Solid thermoplastic ball • NSF-61 Certified - Sizes: ½" - 2", Material: PVC, EPDM, FKM Materials: • Sizes: True Union : ½" - 2" • Single Union: 3" - 4" • Models: Socket, Threaded, - Flanged (ANSI), Butt End • Bodies: PVC, CPVC, PP and PVDF • Seats: EPDM, FKM, PTFE • Seals: EPDM, FKM, PTFE • Option: Foot Valve Request Quote View Literature