Ingwafer dual plate check valvemetung ya namang uri ning check valve a maki rotary actuation, pero metung yang double disc at makasara ya keng aksyon ning spring. Ing disc makabuklat ya keng bottom-up fluid, ing valve atin yang simpleng istruktura, ing clamp maka-install ya pilatan da reng adwang flanges, ampo ing malating sukad ampo ing light weight mababa ya.
Ingwafer dual plate check valveatin yang adwang spring-loaded D-shaped discs a makabili keng ribbed shaft keng valve bore. Ing istruktura ayni papakuit ne ing distansya na ning sentru ning gravity ning disc. Ing konstruksyun ayni babawasan na ing timbang ning disc 50% kumpara keng single-disc swing-on check valve na parehu sukad. pauli ning spring load, ing balbula mabilis yang magreact keng backflow.
Ing wafer dual plate check valve's double-lobe lightweight construction gagawan na ing seat sealing ampo ing operasyun na mas efficient.
Ing long-arm spring action ning double butterflycheck valvepaintulutan ne ing disc a makabuklat at makasara a alang kukuskus king luklukan, at ing spring magsarili yang gagana para makasara ya ing disc (DN150 at babo).
Ing bisagra a suportang manggas ning double-flap butterflycheck valvemabawas ing friction ampo mabawas ing water hammer nung mipapalwal ya keng metung a disc (mas maragul a bore).
kumpara keng conventionalswing check valves,wafer dual plate check valveing konstruksyun mas masikan ya, mas magaan, mas malati, mas epektibo, ampo mas mura. Ing balbula ayni makatupad ya keng standard ning API 594, para kareng keraklan a diametru, ing face-to-face a sukad na niting balbula 1/4 ya mu ning conventional valve, at ing timbang na 15%~20% ya ning conventional valve, inya mas mura ya kesa keng swing check valve. Mas mayan ya namang i-install pilatan da reng standard gaskets ampo pipe flanges. Uling madali yang gamitan at mangailangan mung metung a set da reng flange connection bolts, makatipid ya kareng components kabang mag-install ya, makatipid ya keng gastus keng pamag-install ampo keng aldo-aldong gastus keng pamag-maintain.
Ing double-flap butterfly check valve atin yang espesyal a construction features na gagawang high-performance non-impact check valve. Deng features a reni kayabe la reng alang malinis a pamagbukas, independenting spring construction para kareng keraklan a bore valves, ampo independent disc support systems. Deng mapilan kareng features a reni ala lang akit kareng check valves. Ing wafer dual plate check valve malyari ya namang disenyu kareng lugs, double flanges ampo metung a makaba a katawan.
Mumuna, ing pamagbukas ampo pamagsara
Ing double-disc construction atin yang adwang spring-loaded discs (semi-discs) a makabitin keng metung a bisagra a pin na makatalakad keng libutad. Potang magumpisa neng dumagus ing likidu, mibuklat ya ing disc a maki resultang pwersa (F) a kikimut king libutad ning sealing surface. Ing counteractive spring support force (FS) mipatupad ya keng posisyun king kilwal ning libutad ning disc face, inya ing disc root mumuna yang mibuklat. Iti makaiwas ya keng friction keng sealing surface na malilyari nung ing disc mibuklat ya kareng mas matwang conventional valves, a makalako keng wear and tear kareng components.
Potang mabagal ya ing flow rate, ing torsion spring automatic yang magreact, inya ing disc makasara ya at lumapit ya keng body seat, at babawasan na ing distansya ning pamaglakbe ampo ing oras ning pamagsara. Potang ing likidu mamagus ya pabalik, ing disc bagya-bagya yang lalapit keng body seat, at ing dynamic a pakibat ning valve mas mabilis ya, babawasan na ing epektu ning water hammer at maka-achieve yang impact-free performance.
Potang makasara ya, ing aksyon ning spring force action point ing sangkan nung bakit mumuna yang makasara ing babo ning disc, a makapigil king pangagat at pamag-apit king yamut ning disc, bang ing balbula makapanatili yang integridad ning seal king mas makabang panaun.
2. Independent spring structure
Ing spring construction (DN150 at babo) paintulutan na ing mas maragul a torque a mipatupad kareng balang disc at ing disc magsara yang magdili-dili kabang magbayu ya ing industrial flow. Deng eksperimentu pepakit da na ing epektu ayni meging sangkan ne ning 25% a pamagtas keng bie ning balbula ampo 50% a pamagbawas keng water hammer.
Balang section ning double disc atin yang sariling springs na mamye independenting closing force ampo mipailalam ya keng malating angular offset a 140° (fig. 3) imbes na 350° ning conventional spring a ating adwang brackets.
3. Independent disc suspension structure
Ing independent hinge structure babawasan na ing friction keng 66%, na mas masanting keng reactivity ning valve. Ing support sleeve makasulud ya ibat keng bisagra keng kilwal para ing babo bisagra malyari yang suportan ning lalam a manggas kabang mag-operate ya ing balbula. Iti papalyarian nala deng adwang disc na mabilis lang magreact ampo magsara la keng parehung oras, at mika masanting a dynamic performance.
Kapat, ing mode ning koneksyun keng pipeline
Wafer dual plate check valvesat deng pipe malyari lang ikonekta kareng clamps, lugs, flanges, ampo clamps.
Malyari meng i-click ing kekaming website para keng karagdagang impormasyunButterfly Valve, Flow Controlled by TWS Valve (tws-valve.com)
Oras ning pamagpost: Oct-24-2024
