截止閥又稱截門閥，屬于強(qiáng)制密封式閥門，所以在閥門關(guān)閉時(shí)，必須向閥瓣施加壓力，以強(qiáng)制密封面不泄漏。當(dāng)介質(zhì)由閥瓣下方進(jìn)入閥門時(shí)，操作力所需要克服的阻力，是閥桿和填料的摩擦力與由介質(zhì)的壓力所產(chǎn)生的推力，關(guān)閥門的力比開閥門的力大，所以閥桿的直徑要大，否則會(huì)發(fā)生閥桿頂彎的故障。
J41W不銹鋼法蘭截止閥
型號(hào):J41W
更新時(shí)間:2020-04-01
J41H鑄鋼法蘭截止閥
型號(hào):J41H
更新時(shí)間:2020-04-01
J941H電動(dòng)法蘭截止閥
型號(hào):J941H
更新時(shí)間:2020-04-01
FDJ41H防盜截止閥
型號(hào):FDJ41H
更新時(shí)間:2020-04-01
JL47H平衡角式高壓截止閥
型號(hào):JL47H/Y
更新時(shí)間:2020-04-01
J44Y角式截止閥/節(jié)流閥
型號(hào):J44H/Y
更新時(shí)間:2020-04-01
BJ41H保溫截止閥
型號(hào):BJ41H
更新時(shí)間:2020-04-01
NKJ41H/J61H真空隔離截止閥
型號(hào):NKJ41H/J61H
更新時(shí)間:2020-04-01
J41H鍛鋼法蘭截止閥
型號(hào):J41H
更新時(shí)間:2020-04-01
J61H鍛鋼焊接截止閥
型號(hào):J61H
更新時(shí)間:2020-04-01
J11H鍛鋼內(nèi)螺紋截止閥
型號(hào):J11H
更新時(shí)間:2020-04-01
J11H內(nèi)螺紋不銹鋼截止閥
型號(hào):J11H
更新時(shí)間:2020-04-01
API美標(biāo)截止閥
型號(hào):J43H
更新時(shí)間:2020-04-01
電動(dòng)高壓截止閥
型號(hào):
更新時(shí)間:2020-04-01
J11F塑料螺紋截止閥（RPP,UPVC,CPVC,PVDF)
型號(hào):J11F
更新時(shí)間:2020-04-01
J41F塑料截止閥（RPP,UPVC,CPVC,PVDF)
型號(hào):J41F-10S
更新時(shí)間:2020-04-01
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