CRYOGENIC SERVICE BUTTERFLY VALVE

CRYOGENIC BUTTERFLY VALVE

The PROVAL valve utilizes a double offset disc design, coupled with a flexible metal seat design which provides an independent static and dynamic seal. Seat design allows for self-centering on the disc. The valve is capable of achieving tight shut off at cryogenic temperatures, bidirectional sealing, and is firesafe.

The use of an all metal seat design, allows the valve to withstand a partial or full burn in a condition. The metal seat design provides a fire safe seal, all the time; and is not dependent on fire intensity.

THE PROVAL CRYOGENIC BUTTERFLY VALVE range has been extensively used on applications including low temperature gas and liquid service(Liquid Nitrogen, Oxygen & Hydrogen)

LNG Tankers on process duties, Onshore LNG Production Plants and Onshore Gas Distribution Terminals.

BUTTERFLY VALVE

PNEUMATIC BUTTERFLY VLAVES

The wafer butterfly valve is much smaller than other valve designs. The results are savings in materials, less weight, small space requirement, and ease of installation and operation. Wafer construction provides maximum strength under conditions of pipeline strain. Less torque, less time for opening (closing), compact, maintenance-free, bubble tight seal, long life, reliable performance and less cost for these entire outstanding features-this is butterfly valve.

The resilient seat of the butterfly valve performs several functions; forms a drop-tight seal with the disc, serves as the gasket between the flange and valve faces, and isolates the valve components from the flowing media. The result is rugged simple construction and little or no maintenance.

TRIPPLE OFF-SET BUTTERFLY

TRIPPLE OFF-SET BUTTERFLY

The design of proval 3-way Balanced control globe valves are generally used high pressure condition either to mix flowing medium or to divert on medium into two outlet flows, and are often used when fluid temperature is to be adjusted through heat exchangers.

Standard 3-Way valve combine diaphragm actuator with multi-spring.

HIGH PERFORMANCE BUTTERFLY VALVE

HIGH-PERFORMANCE BUTTERFLY VALVES

The design of PROVAL YADB-122E1, YABB-122E1 Series is a high-performance butterfly valve designed to control for difficult-to-control fluids impossible with conventional universal type of butterfly valves. Featuring a self sealing seat ring, double eccentric disc, and a choice of three seat rings, the YADB-122E1 Series far surpasses ball valves and gate valves – even fluids such as corrosive slurry and high-pressure steam can be perfectly sealed off.

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