Alis Valves offers PFA/ PTFE Lined valves are well suited for consistent performance requirements in highly corrosive application Chlorine, Benzene, Sulphuric acid, Nitric acid, Phosphoric acid, Hydrochloric acid & Sea Water, Virgin grade resin & thick fluoropolymer linings provide for superior resistance to corrosive chemical effects, Absorption & Swelling.
Specifications for this product are being prepared. Please check back soon.
1 – UPPER STEM BUSHING: An upper stem bushing, retainer by a stainless steel ring, is provide to absorb actuator side thrusts and is acetal as standard or PTFE as an option.
2 – UPPPER STEM SEAL: Keeps environmental contaminants from entering the stem bore.
3 – BODY: Bodies are two piece wafer or lug style and are epoxy coated.All bodies meet full ASME Class150 or DIN 3840 flange drilling requirements (24” body is double flanged).
4 – BEARINGS: PTFE impregnated steel bearing provided for the precision alignment of the upper and lower stem.
5 – BLOWOUT PROOF STEM: A shoulder is machined into the upper stem. The stem and the disc are pressed together during assembly creating a positive stem to disc connection.
6 – PRIMARY SEAL: The primary seal is achieved by an interference fit between the extra wide disc hubs and contoured seat.
7 – SEAT DESIGN: The unique seat geometry lowers seating unseating toque while reducing wear on the contacting parts.
Whether you have questions, ideas, or are ready to start your journey, we’re here to assist and collaborate.
