Inline PTFE Diaphragm 2-way

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แบรนด์ : PLAST-O-MATIC

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Series RVDT & RVDTM
One valve design functions as an all-purpose backpressure valve in many

applications:

Relief: protects systems and equipment from over- pressure/pressure surges.
By-Pass: prevents pumps from "dead heading".
Back-Pressure Regulator: maintains necessary reverse pressure in closed loop systems.
Back-Pressure Valve: enhance pump performance by maintaining backpressure on the pump outlet
Anti-Siphon: used on the outlet of a pump wherever gravity or other downstream conditions may create negative pressure (siphon) and drain a tank. The valve is pre-set to open under pump pressure, but closes bubble-tight when the pump is shut off. Because of the design of the RVDT, this valve actually closes more tightly when unwanted siphon occurs.

PLASTIC BODY MATERIALS & SIZES:

• PVC and Kynar® PVDF body materials in 1/4" - 4" sizes.
• CPVC body materials in 1/4" - 2" sizes.
• Natural Polypropylene body materials in 1/4" - 2".
• PTFE body material offered in 1/4" - 1" sizes.
• Relief setting is infinitely adjustable from 5 psi to 125 psi. 5-100 psi on 3" and 4" sizes.
• Maximum inlet pressure is 150 psi.

 METAL BODY MATERIALS & SIZES:

• 316 Stainless Steel body offered in 1/2", 3/4", and 1" sizes. For other grades/metals, please consult factory.
• Relief setting is infinitely adjustable from 5 psi to 125 psi.
• Maximum inlet pressure is 150 psi at 75ºF. With PVC spring housing, pressure is de-rated accordingly at higher temperatures. Alternate spring housing materials are available; please consult factory.

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