一。J21W外螺紋截止閥由于其安裝方便、制造合理、經(jīng)濟簡單，所以大量使用在電力工程等管道中。 

J21W外螺紋截止閥【產(chǎn)品性能參數(shù)】

J21W外螺紋截止閥【產(chǎn)品零部件材料】

【J21H、J21W 型 PN25 PN40 外螺紋截止閥產(chǎn)品外形及結(jié)構(gòu)尺寸】

產(chǎn)品聲明：J21W外螺紋截止閥說明中的所有文字、技術(shù)參數(shù)、圖片均只適用于參考，

關(guān)于J21W外螺紋截止閥性能參數(shù)、結(jié)構(gòu)尺寸參數(shù)、價格等詳情，請的銷售工程師!

同方截止閥相關(guān)產(chǎn)品
法蘭高壓截止閥                 J44H低壓角式截止閥          J11W、J61W針型截止閥

KJ41F抗生素截止閥              J41W-16P不銹鋼截止閥        J941H電動截止閥

L41H法蘭節(jié)流閥                 J11W絲口截止閥              J641H氣動截止閥

J41Y高溫蒸汽截止閥             J11H不銹鋼內(nèi)螺紋截止閥      NKJ61H真空截止閥   

DSJ61H, DSJ41H水封截止閥       J41H國標重型截止閥          J541W不銹鋼傘齒輪截止閥  

J961H電動焊接截止閥            J65Y，Y型高壓截止閥         J41W不銹鋼法蘭截止閥

J41F四氟密封截止閥             J41X軟密封截止閥            液動截止閥

NKJ41H真空隔離截止閥           方塊式高壓角式截止閥        WJ41H波紋管截止閥

普通型高壓角式截止閥           承德型高壓角式截止閥        西高型高壓角式截止閥

螺紋活動法蘭高壓角式截止閥     L44H高壓角式節(jié)流閥          FJ41H節(jié)流截止放空閥       

J41N燃氣截止閥             J41B氨用截止閥              J45H,J45Y直流式Y(jié)型截止閥

UJ41H柱塞截止閥                DJ41Y，DJ41H低溫截止閥      DJ41W不銹鋼低溫截止閥

JY41W氧氣截止閥            J41Y-16I鉻鉬鋼截止閥        J41H-16C法蘭式截止閥

J41J襯膠截止閥                 J45J襯膠直流式截止閥        J41F46襯氟截止閥

J44F46襯氟直角式截止閥          J45F46襯氟直流式截止閥     BJ41H、BJ41Y、BJ41W保溫截止閥

J21W外螺紋截止閥               J61H中法蘭焊接截止閥        JJY1卡套式截止閥   

JJ.M1、JJ.M8壓力表截止閥       J41W-150LB美標截止閥         北京式鍛鋼截止閥

J61Y自密封焊接電站截止閥      J11Y-800LB,J41Y-800LB鍛鋼截止閥

WJ41H-150LB，WJ41H-300LB美標波紋管截止閥                    BJ45H、BJ45Y、BJ45W直流式保溫截止閥  

J41W-16T黃銅法蘭截止閥          J41H-10K，J41W-10K日標截止閥   J461Y,J461H正齒輪焊接截止閥

J441W,J441H,J441Y正齒輪截止閥   J541H,J541Y傘齒輪截止閥        J561H，J561W，J561Y焊接傘齒輪截止閥

J41T，J11T鑄鐵截止閥            DKJ41H,DKJ61H真空截止閥        直角閥

D371X蝸輪對夾式蝶閥

Dt373H凸耳對夾式蝶閥

SD341X蝸輪伸縮蝶閥

DS341X軟密封伸縮蝶閥

SD343H硬密封伸縮蝶閥

D643H氣動硬密封蝶閥

D673H氣動對夾式硬密封蝶閥

D341X蝸輪法蘭式軟密封蝶閥

D343H蝸輪傳動硬密封蝶閥

對夾式哈氏合金蝶閥

蝸輪硬密封蝶閥

D73H對夾式金屬硬密封蝶閥

FBGX（D342X）蝸輪傳動軟密封蝶閥

對夾式蝸輪軟密封蝶閥

D671X對夾式氣動軟密封蝶閥

D373H三偏心多層次硬密封對夾蝶閥

三偏心硬密封蝶閥

D342X法蘭連接軟密封蝶閥

法蘭式多層次金屬硬密封蝶閥

法蘭式金屬硬密封蝶閥

D363H焊接式硬密封蝶閥

對焊式硬密封蝶閥

D71X對夾軟密封蝶閥

D971X對夾式電動軟密封蝶閥

對夾式硬密封氣動蝶閥

DT73H彈性硬密封對夾蝶閥

D943H金屬硬密封電動蝶閥

TD41W手動通風蝶閥

電動軟密封蝶閥

D671X對夾式氣動蝶閥

氣動蝶閥

HD47X蝶式緩沖止回閥

對夾全銅止回閥

H44H-10K日標止回閥

LH45X限流止回閥

美標凸耳對夾雙瓣止回閥

GLH41W貫流式止回閥

H44H-20美標法蘭止回閥

H42W-6P不銹鋼底閥

H12W絲扣立式止回閥