Aluminum Bronze RF Butterfly Valve Marine Type_Aluminum Bronze Valve_Products_PRODUCTS

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PRODUCT DESCRIPTION

Marine Type Aluminum Bronze RF Butterfly Valve

Nickel Aluminum bronze Valve containing iron and manganese elements, belonging to high strength heat resistant bronze, stable mechanical properties at high temperature (400℃), good friction reduction, good corrosion resistance in atmosphere, fresh water and sea water, good pressure processing under hot state, heat treatment strengthening, welding, not easy fiber welding, good cutting performance.

Product Feature:

· Size: 3”~ 48”

· Pressure Rating: Class 150 -300 LB

· Body material: ASTM B148 C95800

· Main material: optional NICKEL200; MONEL, INCOLOY, INCONEL,HASTELLOY, TITANIUM, 904L ;

· End Connection : LUG ( optional Wafer, Double flange)

· Medium : Natural Gas , Oil ,Steam . Acid , Sea Water etc.

· Design standard : API 609

· Test standard : API 598

Triple Offset Frictionless Design:

1st offset: The stem shaft is offset from the sealing surface plane, allowing for a continuous engagement of the seating surface.
2nd offset: The stem shaft’s rotation axis is offset from the center of the bore, removing contact between the seat and the seal ring through most of the disc’s travel.
3rd offset: The conical seating surface is offset asymmetrically to eliminate friction during opening and closing.

1.Low Opening & Closing Torque

Neway TC Series butterfly valves combine the three offsets of the seating surface with the flexibility of graphite lamination to achieve a tight and uniform seal with a low required torque.

2. Zero Leakage

Laminated seal rings are designed to self align and allow valves to meet zero leakage per API 598.
3.Fire Safe Design

Standard TC Series butterfly valves are not soft seated and can meet API 607 fire test requirements.

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