double check valve

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.

The double flapper check valve in high quality is the standard part of string used for the coiled tubing operation in the oilfield,

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

452 BRONZE CHECK VALVE
SIZE:DN8-DN80
PRESSURE RATING:PN25
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

Swing Check Valve
H-10121
Brass swing check valve, brass check valve, fittings and tees joints.
SIZE: 1/2" ; 3/4" ; 1"
1 1/4 1 1/2"

We are a very professional and big-scale enterprise that mainly manufactures brass manifolds, brass ball valve, brass radiator valve, brass angle valv

Bronze Check Valve, Product Name: Strainer & Filter Model No.:ITB503
Place of Origin:Zhejiang ,Bronze Vertical Check Valve 1/2"-4"

The mainly products are Hand-control Valve,Pneumatic Control Valve,pneumatic
accessories,one-way throttles,direction valves,and so on

Manufacturer in Check Valve
- Suitable for plumbling
- High quality, low price
- OEM request welcome
- RoHS approval

Check Valve
Casting or Forging
Check Valve
Casting or Forging

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;

Check Valve

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

Wafer Check Valve, Dual Plate Check Valve, Lug Check Valve, Lift Check Valve, Piston Check Valve, Cast Steel Check Valve, Axial Check Valve.

1. Special design for common plastic machine
2. Optional steel materials for longer life expectation
3. Better plasticizating
4. 1 Year Guarantee

Used in places where air should flow in one direction only.
Used in places where the air pressure of the ventilation section should be kept uniform.