The quick closing valve electro-hydraulic linkage

source：Xiamen, rhett fluid control co., LTD The information has been viewed： 4463 Time：2013-07-03 20:14:32


In the gas waste heat power generation system and steam heating steam turbine system, a valve as the system security, has been widely applied. The closed quickly, small flow resistance, good performance of sealing off so that it can replace the original system design of electric valve and check valve.
The valve is mainly used in thermal power plant unit and gas waste heat power generation units in parallel, is used as a protection system of safety emergency shut-off valve. When the unit fails quickly shut down, suddenly cut off the pipeline, effectively prevent the turbine tail steam and condensed water flow, steam turbine safety protection.
Product features:
■ fast closing time of up to 0.5 seconds, emergency shut-off safety
■ hoist flexible, zero leakage
■ valve terminal buffer, effectively avoid the valve impact
■ implementation options quickly closed: spring, accumulator
■ main valve seal can be selection type: soft seal, seal
■ optional standard: GB, HG, SH, API, ANSI, ASME, AWWA, ISO, DIN, BS, JPI, JIS etc.
Technical parameters:
■ nominal size: DN400 ~ DN1400
■ nominal pressure: 0.6 ~ 2.5MPa
■ design standards: GB/T12238, JB/T8527, JB/T 5299
■. Length: GB/T 12221, ISO5752
■ applicable temperature ≤ 80 ℃: soft seal: Seal: ≤ 425 ℃;
■ end connection: customer requirements.
■ test and inspection: GB/T13927
The material of main parts:
■ body: cast iron, carbon steel, stainless steel
■ valve plate: cast iron, carbon steel, stainless steel
■ seat: stainless steel
■ stem: stainless steel.
■ ring: all kinds of rubber, stainless steel / dual phase steel + graphite
■ bushing: self-lubricating composite material, stainless steel, copper alloy