double check valves

Name:check valve
Size:1/2"--4"(DN15--DN100)
Material:forged steel.
Nominal pressure: 200psi

Check valves are opening and closing a borrow medium force automatically block medium of the valve upstream. Installed to prevent reverse flow in pipe

Check valves are opening and closing a borrow medium force automatically block medium of the valve upstream. Installed to prevent reverse flow in pipe

Check valves are opening and closing a borrow medium force automatically block medium of the valve upstream. Installed to prevent reverse flow in pipe

Check valves are opening and closing a borrow medium force automatically block medium of the valve upstream. Installed to prevent reverse flow in pipe

JIS swing check valve
1) Pressure150LB 600LB,
2) Temperature: -29 550C
3) Oil, chemical industry, power station,

Size:DN40-DN800
Working Pressure:PN10/PN16
Face to Face:DIN3202-K3
Flange Drilling:ANSI B16.1 class 125, EN1092-PN10/PN16

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

CHECK VALVE IS USED TO PREVENT THE MEIDA FLOWING BACK IN THE PIPELINE.
BODY: BRASS
STRAINER:STAINLESS STEEL

Check valves are opening and closing a borrow medium force automatically block medium of the valve upstream. Installed to prevent reverse flow in pipe

Check valves are opening and closing a borrow medium force automatically block medium of the valve upstream. Installed to prevent reverse flow in pipe

Check valves are opening and closing a borrow medium force automatically block medium of the valve upstream. Installed to prevent reverse flow in pipe

1.Fine rigid raw materials
2.Standard heat treatment for good service life
3.100% tested before delivery

1.Fine rigid raw materials
2.Standard heat treatment for good service life
3. 100% tested before delivery

1.Fine rigid raw materials
2.Standard heat treatment for good service life
3.100% tested before delivery

1.Fine rigid raw materials
2.Standard heat treatment for good service life
3.100% tested before delivery

1.Face to face:DIN 3202,JIS B2002
2.Plug andtap device design.
3.Swing type structure.

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

Threaded check valve is applied in the outlet of water pipe less than DN50 and it can prevent the backflow from water pump or chiller.

Standards:API, ANSI , JIS, DIN and GB
Nominal diameters: 1/8"-24"
nominal pressure: PN1.6-42.0Mpa (150Lb-2500Lb)
materials:A105, LF2, F5, F11, F22

Check valves are opening and closing a borrow medium force automatically block medium of the valve upstream. Installed to prevent reverse flow in pipe

Check valves are opening and closing a borrow medium force automatically block medium of the valve upstream. Installed to prevent reverse flow in pipe

Check valves are opening and closing a borrow medium force automatically block medium of the valve upstream. Installed to prevent reverse flow in pipe

800LB forged check valve
1.Class:800LB
2.Certificate:CE and ISO9001:2008 certified
3.Material:SS304 SS304L SS316 SS316L WCB

Check valve
1.Specification: DN50-600
2.Temperature: as medium
3.Pressure: 1.0MPa/1.6MPa
4.certificate:CE.API.ISO

Valve body:Forging brass body
Material:MS58 brass
Threads:UNI ISO228/1
Temperature:-10-80
Pressure:0.5--10bar...

Valve body:Forging brass body
Material:MS58 brass
Threads:UNI ISO228/1
Temperature:-10-80
Pressure:0.5--10bar...

1.Good design.
2.Hot product in the world
3.Multiple patterns
4.one by one testing

JIS check valve
1) Pressure150LB 600LB,
2) Temperature: -29 550C
3) Oil, chemical industry, power station, etc.

Detail
1. Design &. Manufacture conforms to ANSIB16.34, API6D, BS11868
2. Connection ends conforms to
1). Screwed ends conforms to ANSI B1.20.1