英國SpiraxSarco閥門中國一級代理商

英國SpiraxSarco斯派莎克波紋管截止閥BSA1、BSA2、BSA3、BSA6T、BSA64T、A3S 、HV3截止閥、DBB3雙流雙關波紋管密封截止閥。
    斯派莎克波紋管截止閥（SpiraxSarco）是指用在管道上的截止閥，他的啟閉件在于閥體于發(fā)辮之間、通過旋轉發(fā)干帶動發(fā)辮上生或下降來控制管道上的介質、蒸汽截止閥管路中主要用來做切斷、分配和改變蒸汽的流動方向。切斷管道上的介質或調節(jié)介質流量以及節(jié)流用。 進口截止閥的閥桿開啟或關閉行程相對較短，而且具有非常可靠的切斷功能，又由于閥座通口的變化與閥瓣的行程成正比例關系，非常適合于對蒸汽流量的調節(jié)。
    斯派莎克波紋管截止閥、斯派莎克BSA1截止閥、斯派莎克BSA2截止閥、斯派莎克BSA3截止閥、斯派莎克BSA6T截止閥、斯派莎克A3S截止閥、斯派莎克HV3截止閥、斯派莎克DBB3截止閥、斯派莎克雙流雙關波紋管密封截止閥
 

Gate valves

Gate valves are probably the most common valves in use today due to their widespread use in domestic water systems, but it should be noted that their popularity in industry has declined in recent years. However, they are still used where an uninterrupted flow is required, because the gate fully retracts into the bonnet, creating a minimal pressure drop, when the valve is in an open position. Gate valves are specifically intended for use in isolation applications.

A gate valve consists of four main components, the body, bonnet (or cover), gate and stem. A typical gate valve is shown in Figure 12.1.1.

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