spring check valves

plastic RO check valve with o-ring on the thread.
size:1/4"x1/8".
made of FDA & NSF approved plastic POM.
used in RO water system.
made in China.

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

Size: 1/2" ~ 2"(DN15 ~ DN50)
Rating: ANSI 150lb ~ 2500lb
Body Materials: A105,LF2,F9,F11,F22,F304,F304L,F316,F316L,F321,F51 etc.

Cast Iron Wafer Check Valve
ANSI CLASS125, DIN PN10 / PN16
Designed to comply with API 594
Adopting dual plate design for efficient sealing
Valve

Tilting disc check valves
1) Design ASME
2) Size 2"-40"
3) Class 150LB-2500LB
4) Ends RF,BW,RTJ

LCAH series pilot-controlled check valve
Fluid Temp:-20~70
Pressure:31.5(Mpa)

1.check valve
2.pressure:315bar-500bar
3.size:1/4"-2"

452 BRONZE CHECK VALVE
SIZE:DN8-DN80
PRESSURE RATING:PN25
WORKING MEDIUM:WATER,OIL,STEAM
WORKING TEMPERATURE:T<=170...

Flanged check valve
Materi:SS304 SS316 SS304L
Standar:ASME/ANSI/API JIS customize
Pressure:150LB 300LB 400LB 600LB 900LB 1500LB
Size:2"~2

This valve is applied to bump exit pipe of water. As check valve, it can reduce medium regorge and avoids bringing bigger water hammer,

The valve is called widely used refrigeration valves non-return valve ,which is used for screw compressor.
Application: Screw compressor

type throttle check valve
Model:stu0400 stu0600 stu0800 stu1200 stu1600

Nomical Pressure:1.6MPa
Working Medium:Water,Non-corrosive liquid
Working Temperature:-20℃≤t≤100℃
Pipe thread to ISO228(DN15-DN50)/ISO7

1.Dn100 Cast Iron Swing Check Valve
2.Pn16 Wafer Type Dual Disc Check Valve
3.Dual Disc Wafer Type Check Valve
4Flanged End Cast Iron Swing Check V

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.

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

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

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

strong wear resistant
good tightness
incorruptible

Modular Check Valves MCP
MCP-02-B
MC: Model
P: Control line(Action from) P:P line A: A line B: B line T:T line
02: Port/valve size 02:1/4" 03:3/8"

503-F Deinh Check Valve Flanged Ends

Price:US$2100.0;Productivity:50 Thousand;Min. Order:10 pcs;Packing:Carton, Wooden Case;Transportation:By Sea or By Air;DeliveryDate:15 Days;PaymentTy

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

Packing:wooden case;PaymentType:TT;Certificate:ISO9001;

Dual Plates Spring Loaded Wafer Check Valves: 2"-48", Class150-2500Lbs

Size: 2~48
Connection: RF/RTJ Flange
Pressure Rating: Class 150Lb~ Class 2500Lb
Material: Cast Steel, A216 Gr. WCB, , A351 CF8, A351 CF8M,

1. VU hydraulic check valve;
2. poppet type, steel;
3. pressure up to 500bar;
4. burst pressure 0.5bar;
5. female BSP threads

Brass Check Valve With Compression End
MOQ:5000pcs
Brass Forged Body
Size:15x15 22x22

DC-C1112 Brass "Y"swing check valve
Size:1/2"to 2"

1. Large flow rate with high working pressure
2. Three cracking pressure optional
3. Standard threads easily to replace other brand part