Butterfly Valves & Actuation
![Asahi/America Type 57P Series: Manual with Lever - CPVC \ FKM](/sites/default/files/styles/list/public/images/product/64716eab898dd4ec618a7b29d37d/57L_0.jpg?itok=ScA2pycr)
Asahi/America Type 57 Butterfly Valves disc has about the same diameter as the connecting piping, and the flow is straight through, with a low pressure drop. The solid thermoplastic butterfly valves have a lined body design and bubble-tight seal with only the liner and the disc as wetted parts. Asahi/America Type 57 Butterfly Valves are self-gasketing, eliminating the need for additional flange gaskets. Asahi/America Type 57 standard model has a PVC or PP body with a polypro, CPVC or PVDF disc for better chemical and abrasion resistance at temperatures higher than can be achieved with other PVC butterfly valves. All models standard with 316SS shaft.
![Spears Manual Butterfly Valves: Manual with Gear - CPVC \ FKM](/sites/default/files/styles/list/public/images/product/64716eab898dd4ec618a7b29d37d/722311_0.jpg?itok=KECtJoZ5)
Spear’s innovative design departs from traditional liner-seat type valves to eliminate seat creep, reduce operating torque and provide positive seal off. Ideally suited for flow control or throttling, this high performance valve is offered with a full variety of options for greater application versatility. Pressure rated to a maximum internal pressure of 150 psi at 73°F - including dead end service. Heavy blow-out proof 316 stainless steel stem is standard on all valves. PTFE-coated Stainless steel or titanium stems are available on request.
![Spears Manual Butterfly Valves: Manual with Lever - CPVC \ FKM](/sites/default/files/styles/list/public/images/product/64716eab898dd4ec618a7b29d37d/722Lever_0.jpg?itok=X1tbhU4m)
Spear’s innovative design departs from traditional liner-seat type valves to eliminate seat creep, reduce operating torque and provide positive seal off. Ideally suited for flow control or throttling, this high performance valve is offered with a full variety of options for greater application versatility. Pressure rated to a maximum internal pressure of 150 psi at 73°F - including dead end service. Heavy blow-out proof 316 stainless steel stem is standard on all valves. PTFE-coated Stainless steel or titanium stems are available on request.