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Providing Flowserve, a leading global supplier of fluid controls and services, today introduced the newly designed ValtekValdisk butterfly valve, which is made of UHMW-PE material and meets US ANSI / FCI 7-0-2 Level 6 Leakage Standard, the use of up to 15-20 million hours. "According to the operation, this new seat design allows customers to maintain good shut-off performance over several years when using butterfly valves, without the need to stop production for valve seat changes," said FlowSource Product Manager CrisSidwell. The unique design of the ValtekValdisk long-life valve seat uses the pressure of the medium in the pipe to compress and stretch the S-shaped soft seat and squeeze the butterfly plate through the soft seat to achieve continuous closure. As the valve seat normal wear and tear, the media pressure will be further squeezed to the plate. Valtek high-performance butterfly valve cooling performance and long-lasting, tight shut-off performance has been recognized. "These valves demonstrate Valtek's commitment to providing superior technical services for rotary control valve design to meet the demanding requirements of the chemical, oil and gas, pulp and paper, and power industries," said Sidwell.