Ing prinsipyu ning obra ampo ing pamaglalang ampo ing pamag-install kareng rubber seated butterfly valve

Inggoma a makalukluk a balbula ning parulmetung yang uri ning balbula na gagamit keng pabilog a butterfly plate bilang pamuklat ampo pamagsara a bage ampo mag-rotate ya keng valve stem para makabuklat, makasara ampo maka-adjust keng fluid channel. Ing butterfly plate ninggoma a makalukluk a balbula ning parulmaka-install ya keng diametru ning pipeline. Ing cylindrical a kanal ninggoma a makalukluk a balbula ning parulkatawan, ing disc-shaped butterfly plate mag-rotate ya keng axis, ampo ing rotation angle atyu ya pilatan ning 0° ampo 90°. Nung mibalikid ya keng 90°, ing balbula makabuklat ya.

Pamagpagawa at pamag-install

1. Ing posisyun ning pamag-install, katas, ampo direksyun ning pamag-import ampo pamag-export dapat makayagpang ya keng design requirements, ampo ing koneksyun dapat matatag ya at masipit.

2. Para kareng eganaganang klasing manual a balbula a maka-install keng thermal insulation pipeline, ing hawakan e ya dapat pababa.

3. Ing visual inspection kailangan yang gawan bayu ya i-install ing valve, at ing nameplate ning valve dapat makatupad ya kareng requirements ning kasalukuyan a national standard a “General Valve Mark” GB12220. Para keng valve na ing pressure na mas maragul ya keng 1.0MPa ampo atin yang papel keng pamagputol keng main pipe, ing sikanan ampo ing masipit a pamagsuri dapat yang gawan bayu ya i-install, at paintulutan yang gamitan kaybat nang mipasa keng test. keng strength test, ing test pressure 1.5 times ya ing nominal pressure, at ing duration e ya kukulang keng 5 minutus. Ing valve housing ampo ing packing dapat qualified ya alang leakage. keng tightness test, ing test pressure 1.1 times ya ing nominal pressure; ing test pressure dapat makatupad ya kareng requirements ning GB50243 standard keng test duration, ampo ing valve disc sealing surface kwalipikadu ya nung alang leakage.

Pamili kareng produktu

1. Ing main control parameters ninggoma a makalukluk a balbula ning parulila reng specifications ampo dimensions.

2. Malyari yang gamitan manual, electrically o gamit ing zipper, at malyari yang i-fix keng nanu mang anggulo kilub ning range a 90°.

3. Uling keng metung a shaft ampo metung a valve plate, ing bearing capacity limitadu ya, ampo ing service life ning valve makuyad ya keng kundisyun ning maragul a pamiyaliwa ning pressure ampo maragul a flow rate.