double check valve

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

Min. Order:1 PC;Packing:PLYWOOD CASE;Transportation:by air,by vessel;PaymentType:T/T, L/C;Trademark:JD & JDBV & OEM;Certificate:ISO9001,ISO2000,CE

Min. Order:1 PC;Packing:PLYWOOD CASE;Transportation:by air,by vessel;PaymentType:T/T, L/C;Trademark:JD & JDBV & OEM;Certificate:ISO9001,ISO2000,CE

Min. Order:500 pcs;Packing:carton box;Transportation:by sea or air;PaymentType:T/T,L/C;Trademark:sorl;PatentRight:TS16949;ExpRegion:all over the worl

Check Valves Adapter
material:PP

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

Pressure seal check valves, high pressure check valves, China pressure seal check valves, pressure seal swing check valves

Forged swing check valves, forged piston check valves, forged ball check valves, forged check valves, forged steel valves, ball type check valves, for

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

Design Standard: JIS F7358-1996
Test Standard: JIS 7400-1996
Hydraulic Test Pressure: Body- 1.05Mpa, Seat-0.77Mpa~0.4Mpa
Flange size as per JIS B22

Kelly valve is a manually operated ball type drill stem valve; it is divided into upper Kelly valve and lower Kelly valve. The upper Kelly valve is co

strong wear resistant
applied to oil fields, chemical industry, coal mine, environmental protection

1. Own factory 2. Accept OEM 3. large in stock 4. each design in series

valve body for ball,floating,check,and butterfly valve, precision casting WCB material, DN08 to DN300

ZECO is a international standard valve manufacturer of globe valve and check valve.