立式止回阀
产品简介
H42正常处于关闭状态,由于管线中进口端介质的压力作用,而克服弹簧阻力使阀门开启。当进口端介质压力低于出口端时,弹簧将阀芯推向阀座而使阀门关闭,阻止介质逆流,故起止回作用。
H42H碳钢由于采用弹簧支撑阀芯,故采用立式安装或卧式装均可。
型号: H42W-25P H42W-25R H42W-40P H42W-40R H42Y-40
公称压力PN(M
详细信息
H42立式止回阀
H42立式止回阀正常处于关闭状态,由于管线中进口端介质的压力作用,而克服弹簧阻力使阀门开启。当进口端介质压力低于出口端时,弹簧将阀芯推向阀座而使阀门关闭,阻止介质逆流,故起止回作用。
H42H碳钢由于采用弹簧支撑阀芯,故采用立式安装或卧式装均可。
型号: H42W-25P H42W-25R H42W-40P H42W-40R H42Y-40
公称压力PN(MPa):2.5 4.0
适用温度(℃):≤200
适用介质:硝酸类醋酸类水、油品。
621卫生级气动蝶阀http://jihuiv.com/goods/show/208.asp
D671F46气动衬氟蝶阀http://jihuiv.com/goods/show/207.aspx
D641F46气动衬氟蝶阀http://jihuiv.com/goods/show/206.aspx
D671J气动衬胶对夹蝶阀http://jihuiv.com/goods/show/203.aspx
D643H/F气动硬密封蝶阀http://jihuiv.com/goods/show/202.aspx
Q947固定式电动球阀http://jihuiv.com/goods/show/224.aspx
电动球阀:
Q944电动三通球阀http://jihuiv.com/goods/show/216.aspx
Q914H电动三通内螺纹球阀http://jihuiv.com/goods/show/217.aspx
Q981卫生级电动球阀http://jihuiv.com/goods/show/222.aspx
Q971电动对夹球阀http://jihuiv.com/goods/show/223.aspx
Q947固定式电动球阀http://jihuiv.com/goods/show/224.aspx
Q941电动法兰球阀http://jihuiv.com/goods/show/225.aspx
Q961N电动高压球阀http://jihuiv.com/goods/show/226.aspx
Q941-FB电动防爆球阀http://jihuiv.com/goods/show/229.aspx
Q941F46电动衬氟球阀http://jihuiv.com/goods/show/230.aspx
Q911内螺纹电动球阀http://jihuiv.com/goods/show/231.aspx
PQ947电动偏心半球阀http://jihuiv.com/goods/show/232.aspx
Q941M电动高温球阀http://jihuiv.com/goods/show/253.aspx
Q911S电动塑料球阀http://jihuiv.com/goods/show/221.aspx
ZAJQ电动调节球阀http://jihuiv.com/goods/show/220.aspx
VQ947电动V型调节球阀http://jihuiv.com/goods/show/219.aspx
ZARO电动切断球阀http://jihuiv.com/goods/show/218.aspx
气动球阀:
Q614H气动三通内螺纹球阀http://www.jihuiv.com/goods/show/234.aspx
ZSHO气动切断球阀http://www.jihuiv.com/goods/show/236.aspx
ZSJQ气动调节球阀http://www.jihuiv.com/goods/show/235.aspx
ZSHO气动切断球阀http://www.jihuiv.com/goods/show/237.aspx
VQ647气动V型球阀http://www.jihuiv.com/goods/show/238.aspx
SQ611气动塑料球阀http://www.jihuiv.com/goods/show/239.aspx
Q645气动三通球阀http://www.jihuiv.com/goods/show/240.aspx
Q681F气动卫生级球阀http://www.jihuiv.com/goods/show/241.aspx
Q671气动对夹球阀http://www.jihuiv.com/goods/show/242.aspx
647气动固定式球阀http://www.jihuiv.com/goods/show/243.aspx
Q641气动法兰球阀http://www.jihuiv.com/goods/show/244.aspx
Q641气动法兰球阀http://www.jihuiv.com/goods/show/245.aspx
Q641F46气动衬氟球阀http://www.jihuiv.com/goods/show/246.aspx
Q611内螺纹气动球阀http://www.jihuiv.com/goods/show/247.aspx
PQ647气动偏心半球阀http://www.jihuiv.com/goods/show/248.aspx
Q641H气动高压球阀http://www.jihuiv.com/goods/show/249.aspx
GQ641H气动高温球阀http://www.jihuiv.com/goods/show/250.aspx
GQ641气动高温球阀http://www.jihuiv.com/goods/show/251.aspx
BQ641气动保温球阀(法兰式)http://www.jihuiv.com/goods/show/252.aspx
电动闸阀:
Z973X电动浆液闸阀http://www.jihuiv.com/goods/show/254.aspx
Z942W电动煤气闸阀http://www.jihuiv.com/goods/show/263.aspx
Z943F电动平板闸阀http://www.jihuiv.com/goods/show/262.aspx
Z945T电动暗杆闸阀http://www.jihuiv.com/goods/show/261.aspx
Z945X电动弹性座封闸阀http://www.jihuiv.com/goods/show/260.aspx
PZ941H电动排渣闸阀http://www.jihuiv.com/goods/show/259.aspx
Z960Y电动高压焊接闸阀http://www.jihuiv.com/goods/show/258.aspx
Z940Y电动高压闸阀http://www.jihuiv.com/goods/show/257.aspx
PZ973H电动刀型闸阀http://www.jihuiv.com/goods/show/256.aspx
Z941H电动法兰闸阀http://www.jihuiv.com/goods/show/255.aspx
电动调节阀:
ZD(R)SG电动隔膜调节阀http://www.jihuiv.com/goods/show/277.aspx
ZD(R)HJP精小型电动调节阀http://www.jihuiv.com/goods/show/278.aspx
ZRZP智能电动调节阀http://www.jihuiv.com/goods/show/280.aspx
ZD(R)SP/M-GW电动高温调节阀http://www.jihuiv.com/goods/show/269.aspx
ZD(R)SPF46电动衬氟调节阀http://www.jihuiv.com/goods/show/273.aspx
ZAZP电动调节阀http://www.jihuiv.com/goods/show/279.aspx
ZD(R)SM电动套筒调节阀http://www.jihuiv.com/goods/show/275.aspx
ZD(R)SP/M-FB电动防爆调节阀http://www.jihuiv.com/goods/show/267.aspx
ZD(R)SP/M-FB-DW电动低温调节阀http://www.jihuiv.com/goods/show/270.aspx
ZRSP/M/L-GY电动高压调节阀http://www.jihuiv.com/goods/show/265.aspx
ZRSP/M-WD电动温度调节阀 http://www.jihuiv.com/goods/show/264.aspx
ZRSF(H)电动三通调节阀http://www.jihuiv.com/goods/show/266.aspx
ZDSW电动小流量调节阀http://www.jihuiv.com/goods/show/268.aspx
ZD(R)SP/M-BW电动保温调节阀http://www.jihuiv.com/goods/show/271.aspx
ZD(R)SN电动双座调节阀http://www.jihuiv.com/goods/show/274.aspx
ZD(R)SL电动笼式调节阀http://www.jihuiv.com/goods/show/276.aspx
ZD(R)SP/M-BWG电动波纹管调节阀http://www.jihuiv.com/goods/show/272.aspx
通用手动蝶阀:
D343H 法兰蝶阀http://www.jihuiv.com/goods/show/204.aspx
D43H 法兰蝶阀http://www.jihuiv.com/goods/show/205.aspx
D363H焊接式硬密封蝶阀http://www.jihuiv.com/goods/show/200.aspx
D743P不锈钢对夹蝶阀http://www.jihuiv.com/goods/show/281.aspx
D371F46蜗轮对夹式衬氟蝶阀http://www.jihuiv.com/goods/show/282.aspx
D341涡轮衬胶蝶阀http://www.jihuiv.com/goods/show/283.aspx
D71F对夹衬氟蝶阀http://www.jihuiv.com/goods/show/284.aspx
D73H三偏心对夹硬密封蝶阀http://www.jihuiv.com/goods/111/1.aspx
D343H对夹式硬密封蝶阀http://www.jihuiv.com/goods/show/292.aspx
D373H凸耳式硬密封美标蝶阀http://www.jihuiv.com/goods/show/286.aspx
D71J手动对夹式衬胶蝶阀http://www.jihuiv.com/goods/show/287.aspx
D343W不锈钢法
兰蝶阀 http://www.jihuiv.com/goods/show/288.aspx
D371X对夹式蜗轮传动软密封蝶阀http://www.jihuiv.com/goods/show/289.aspx
D341X软密封蝶阀http://www.jihuiv.com/goods/show/290.aspx
D341W涡轮通风蝶阀http://www.jihuiv.com/goods/show/291.aspx
三偏心多层次硬密封蝶阀http://www.jihuiv.com/goods/show/293.aspx
卫生级蝶阀http://www.jihuiv.com/goods/show/294.aspx
DS343H双向压蝶阀http://www.jihuiv.com/goods/show/296.aspx
通用球阀:
Q41P手动球阀 http://jihuiv.com/goods/show/326.aspx
BQ41H保温球阀 http://jihuiv.com/goods/show/325.aspx
Q11H三片式内螺纹球阀 http://jihuiv.com/goods/show/324.aspx
Q341F衬氟球阀 http://jihuiv.com/goods/show/323.aspx
Q41高压浮动球阀 http://jihuiv.com/goods/show/322.aspx
Q341H高压固定球阀 http://jihuiv.com/goods/show/321.aspx
Q45H三通内螺纹球阀 http://jihuiv.com/goods/show/320.aspx
Q61H三片式焊接球阀 http://jihuiv.com/goods/show/319.aspx
PQ341H偏心半球阀 http://jihuiv.com/goods/show/318.aspx
Q47F法兰式固定球阀 http://jihuiv.com/goods/show/317.aspx
Q361H全焊接球阀 http://jihuiv.com/goods/show/315.aspx
Q341H不锈钢浮动球阀 http://jihuiv.com/goods/show/314.aspx
Q47H不锈钢固定球阀 http://jihuiv.com/goods/show/313.aspx
Q41H涡轮煤气球阀 http://jihuiv.com/goods/show/312.aspx
Q45H三通卫生球阀 http://jihuiv.com/goods/show/311.aspx
Q341H三段式涡轮球阀 http://jihuiv.com/goods/show/310.aspx
Q341H涡轮球阀 http://jihuiv.com/goods/show/309.aspx
Q41P不锈钢球阀 http://jihuiv.com/goods/show/308.aspx
Q41H金属硬密封球阀 http://jihuiv.com/goods/show/307.aspx
Q41H三段式球阀 http://jihuiv.com/goods/show/306.aspx
Q363H焊接涡轮球阀 http://jihuiv.com/goods/show/305.aspx
Q71H对夹球阀 http://jihuiv.com/goods/show/327.aspx
Q45H三通球阀 http://jihuiv.com/goods/show/304.aspx