Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...
A check valve, reflux valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.
Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, or inexpensive. Check valves work automatically and most are not controlled by a person or any external control; accordingly, most do not have any valve handle or stem. The bodies (external shells) of most check valves are made of plastic or metal.
Size: DN40 - DN600 PN1.0 - 1.6MPa
Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Stem: Stainless Steel
Spring: Stainless Steel
Seat: EPDM, NBR, Stainless Steel
Flange Connection: DIN, ANSI, BS, JIS
Disc: Ductile Iron with Nickel Coating, Ductile Iron with Nylon Coating, Stainless Stee 304/316l
Resilient Buna-N or EPDM Seat
Upper and lower PTFE thrust washers
Wafer body style fit between FF or RF flanges
Torsion springs assist valve closure, preventing flow reversal
Thrust washer reduce friction and wear of valve plate hinges
Dual plate valves give maximum strength with minimum opening time
ball valve, gate valve, check valve, plug valve, globe valve, butterfly valve, control valve ,strainers,etc
API, DIN, JIS, GOST ,etc
Stainless steel: A351 CF8, A351 CF8M, A182F304, A182F316,etc
Carbon steel: A105, A216 WCB, G25, etc
Alloy steel: A182 F11, A182 F22, A182 F12, A182 F5, A182 F91,etc
Water/oil/gas/air/steam/weak acid alkali/acid alkaline substances
internal thread/external thread/flange/welded/wafer
Annealing, pickling, polishing, bright, sand blast,hair line, brush, satin,
Ex-Work, FOB, CNF, CFR, CIF, etc
TT, L/C, Western Union
Singapore, USA, Morocco, Thailand,Australia,Viet Nam, Italy,Iran, India,
Stainless steel valves widely used in petroleum,chemical industry,electric power,
The size of the valves can be made according to clients requirements.