Newlotoke High Performance Butterfly Valve Catalogue

Newlotoke is a professional manufacturer of soft seat, metal seat and fire-safe high performance butterfly valv es, our unique seat design is advanced and relia ble. Under an ISO 9001 Quality Assurance Progr am, it assures each valve we produce meets or e xceeds your application requirements.high performance butterfly valves are available in sizes from 2" - 60" in ANSI/ASM E, DIN standards etc. and are available with a diverse range of manual and actuated options.

Our high performance butterfly valves are widely used in many industries including heating, ventila

ting and air conditioning, power generation, hydrocarbon processing, water and waste water treatment, and marine and commercial shipbuilding. Our products are also installed in applications as diverse as food and beverage processing, snowmaking and pulp and paper production.

Configurations are available for harsh conditions as well as applications requiring nominal pressure and temperature ratings

The double offset design of the Tipvalve High Performance Buttefly Valves assures reduced seat wear and bidirectional, zero leakage shu t off throughout the full pressure range.

At the initial point of disc opening, the offset disc produces a cam–li ke action, pulling the disc from the seat. This cam–like action reduces seat wear and eliminates seat deformation when the disc is in the ope n position. When open, the disc does not contact the seat, therefore s eat service life is extended and operating torques are reduced. As the valve closes, the cam–like action converts the rotary motion of the dis c to a linear type motion to effectively push the disc onto the seat. The wiping action of the disc against the seat prevents undesirable material build-up from slurries or suspended solids

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