Wafer dual plate check valve hman dan tur, a hman dan tlangpui leh a structural characteristics te

Wafer a nidual plate a nicheck valve a nitih hian medium hnunglam luang chhuak tur venna atana medium luang chhuak ngeia innghatin valve flap chu automatic-a hawn leh khartu valve a kawk a, chu chu check valve, one-way valve, reverse flow valve leh back pressure valve tia hriat bawk a ni. Wafer a nidual plate a nicheck valve a nichu automatic valve a ni a, a hnathawh ber chu medium backflow ven a, pump leh driving motor reverse rotation ven a, container chhunga medium discharge a ni. Wafer a nidual plate a nicheck valve hi auxiliary system supply tu line-ah pawh hman theih a ni a, chutah chuan pressure chu system pressure aia sangin a sang thei a ni.

1. Wafer chi hrang hrang double plate check valve hman dan:

Wafer a nidual plate a nicheck valve a nipipeline system-ah dah a ni a, a hna ber chu medium backflow venna a ni. Wafer chu a nidual plate a nicheck valve a nichu automatic valve a ni a, medium pressure a zirin hawn leh khar a ni. Wafer chi khat a nidual plate a nicheck valve a nichu nominal pressure PN1.0MPa ~ 42.0MPa, Class150 ~ 25000 atan a tha a; a sei zawng zawng DN15 ~ 1200mm, NPS1 / 2 ~ 48; working temperature -196~540°C pipeline hrang hrangah , medium backflow venna atana hman thin. Thil chi hrang hrang thlan hmangin media hrang hrang tui, steam, oil, nitric acid, acetic acid, strong oxidizing medium leh uric acid-ah te hman theih a ni.

2. Wafer siamna atana hmanraw pawimawh berdual plate a nicheck valve: 1.1.

Carbon steel, low temperature steel, dual phase steel (F51/F55), titanium alloy, aluminium bronze, INCONEL, SS304, SS304L, SS316, SS316L, chrome molybdenum steel, Monel (400/500), 20# alloy, Hastelloy leh metal material dangte a awm bawk.

3. Structural characteristics ofdual plate a nicheck valve: 1.1.

1. A structure sei zawng chu a tawi a, a structural sei zawng chu traditional flanged aiin 1/4~1/8 chauh a nithencheck valve a ni.

2. A lian lo a, a rit lo bawk a, a rit zawng hi traditional flanged aiin 1/4~1/20 chauh a nithencheck valve a ni.

3. Valve disc chu a khar nghal vat a, water hammer pressure a tlem bawk

4. Horizontal pipe emaw vertical pipe emaw pawh hman theih a ni a, dah awlsam

5. Flow channel a smooth a, fluid resistance a tlem bawk

6. Sensitive action leh sealing performance tha tak a nei

7. Valve disc travel a tawi a, closing impact force a tlem bawk

8. A structure pum pui hi a awlsamin a compact a, a pianzia pawh a mawi hle

9. Service life rei tak leh performance rintlak

Palinaah chuan, common faults of thedual plate a nicheck valve te chu:

1. Valve disc a chhe vek

A hma leh a hnua medium pressuredual plate a nicheck valve a nichu inthlauhna hnai tak leh mutual “saw” dinhmunah a ding a ni. Valve disc hi valve seat hmangin an vuak fo va, thil chhe thei thenkhat (cast iron, brass, etc.) atanga siam valve disc chu an vuak bawk. keh.

Invenna hmanrua chu hman a ni adual plate a nicheck valve chu disc hmangin ductile material atan hman a ni.

2. Backflow hniam lam (medium backflow) a awm

Sealing surface a chhia a; bawlhhlawh te chu a tang tlat a ni.

Sealing surface siamthat leh bawlhhlawh tihfai hian backflow a veng thei a ni.