Wafer check valve hman dan, a hmanraw bulpui leh a structural characteristics te hriattirna

Valve enfiah rawh tih 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 medium backflow tia hriat bawkcheck valve a ni, kawng khata kal theihna valve, reverse flow valve leh back pressure valve te a ni. Chumicheck valve a nichu automatic valve a ni a, a hnathawh ber chu medium backflow, pump leh driving motor reverse rotation leh container chhunga medium discharge te ven a ni. Check valve hi auxiliary system supply tu line-ah pawh hman theih a ni a, chutah chuan pressure chu system pressure aia sang a sang thei a ni.

1.The wafer check valve hman dan:

Chumicheck valve a ni pipeline system-ah dah a ni a, a hna ber chu medium backflow venna a ni. Chumicheck valve a nichu automatic valve a ni a, medium pressure a zirin hawn leh khar a ni.Wafer check valve a ni chu nominal pressure PN1.0MPa ~ 42.0MPa, Class150 ~ 25000 atan a tha a; a sei zawng zawng DN15 ~ 1200mm, NPS1 / 2 ~ 48; Backflow lai tak a awm. 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.The main material a niwafer check valve a ni:

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 features te chu a hnuaia mi ang hian a niwafer check valve a ni:

A. A structure sei zawng hi a tawi a, a structural sei zawng hi traditional flange check valve aiin 1/4~1/8 chauh a ni

B. A size te tak te leh a rit lo hle a, a rit zawng hi traditional flange check valve aiin 1/4~1/20 chauh a ni

C. Valve disc hi a khar nghal vat a, water hammer pressure pawh a tlem hle

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

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

F. Sensitive action leh sealing performance tha tak a ni

G. Valve disc travel hi a tawi a, closing impact force pawh a tlem hle

H. A structure pum pui chu a awlsamin a compact hle a, a pianzia pawh a mawi hle

I. Service life rei tak leh performance rintlak tak a ni

4.The check valve-a thil dik lo awm fo chu:

A. Valve disc chu a chhe vek tawh

Check valve hma leh hnua medium pressure chu balance hnaih leh mutual “saw” dinhmunah a awm a. Valve disc hi valve seat hmangin an vuak fo thin a, thil brittle thenkhat (cast iron, brass, etc.) atanga siam valve disc chu a chhe thin. Preventive method chu ductile material atan disc nei check valve hman a ni.

B. Backflow lai tak 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.