spring check valves

Rubber flexible non-return valve, also known as duckbill valve, adopting the design of the rubber, made of rubber flange, the valve body and the duckb

AVC Full Open Cast Steel Check Valve
Size:2"-80"
Rating:CL150-CL2500
Materials:C.S,S.S,etc...

China Ningbo YinZhou Pengcheng Precision Casting Factory is one of the leading steel foundries in China with export license.

reverse osmosis check valve with 1/4" quick connection.
size:1/4"x1/8".
made of FDA & NSF approved plastic POM.
used in water purification system.

Flanged Swing Type Check Valve
1. Class150LB--1500LB
2. Size: 1/2''--42''
3. Bolted cover, swing type disc
Flanged Swing Type Check Valve...

Please see the picture.
For more information,please contact us.Thanks.

1) Wafer connection, or wafer lug.
2) HIGH TORSION SPRING: For potentially severe applications, a high torsion spring ensures the valve closes as qu

Features:
-Leakage-free closure in one direction
-5 cracking pressures
-For threaded connection(screw-in connection)
-Subplate mounting

LCDY Series pilot relief check valve
Fluid Temp:-20~70
Pressure:31.5(Mpa)

451A BRONZE CHECK VALVE
SIZE:DN15-DN50
PRESSURE RATING:PN20
WORKING MEDIUM:WATER,OIL,STEAM
WORKING TEMPERATURE:T<=170

Lift check valve
1.Flange dimension according to JB/T79-1994
2.Designed to GB/T 12235-1989

pneumatic valve, air cylinder, pneumatic component
thread swing check valve
Size:1/2" 3/4" 1" 1 1/4" 1 1/2" 2" 2 1/2" 3"

high pressure
competitive price
good quality

brass check valve with stainless steel filter

WenZhou JULY Valves CO.,LTD is a professional manufacturers of valves.

1.Name:cast iron cooling fin check valve
2.Material:cast iron
3.Thread:1"*1",1"*33*1.5,1"*33*2
4.Used in air compressor
5.Different size are avail

Check Valve
Casting or Forging
Check Valve
Casting or Forging

Min. Order:1 PCS;Packing:CARTON;PaymentType:T/T;L/C;Trademark:ESG;

material:pp

Nomical Pressure:1.6MPa
Working Medium:Water,Non-Corrosive liquid(not include oil),Saturated stream
Working Temperature:-20℃≤t≤150℃

UPVC, CPVC, FRPP, PPH, PVDF ball check valve
Size: 1/2'',3/4''..12''
End connection:FLANGE
Media chemical liquid,acid
Working Pressurer:1.0Mpa

1. Plastic UPVC Wafer check valve;
2. Size : 6" - 12" ;
3. Material : UPVC;
4. Color : white gray green

check valve, swing check valve,A216 WCB check vave,non-return valve

Components
Body Cast iron or Ductile iron
Bonnet Cast iron or Ductile iron
Disc Cast iron/Ductile ironwith NBR or EPDM
Stem

Check valve is used to prevent the meida flowing back in the pipeline.
Bottoml Valve,size:1/2"to 4"

PaymentType:T/T LC;Trademark:hiwa;

plastics core vartical type check valve

Cast steel check valve
1. Medium: water, oil, gas.
2. Certificate: API 6D, CE, TS.
3. Std: API, DIN, GB,JIS.

Check valve which install in the RO membrane housing

Good quality and competitive price,price quality is high
Fast delivery time,fit for world market
Strong pack and good service