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Double Check Valve Factory
2,640
products found
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Video
High Quality CPVC Worm Gear Butterfly
Valve
UPVC
Double
True Union Ball
Valve
PVC Wafer Swing
Check
Valve
Plastic Flange Foot
Valve
DN15-DN400 (1/2" - 16")
US$ 6.32
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Runke Plastic Tech Co., Ltd.
Video
ANSI Stainless Steel Dual Disc Wafer Butterfly
Check
Valve
US$ 1
/ Piece
1 Piece
(Min. Order)
Start Order
CZIT DEVELOPMENT CO., LTD.
Video
API594/ISO5752 Ductile Cast Iron Wafer Type Dual Plate
Double
Door
Check
Valves
Non Reture
Valve
US$ 10-200
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Worlds Valve Co., Ltd.
Video
High Quality Plastic Foot
Valve
PVC Wafer
Double
Flanged Worm Gear Butterfly
Valve
Body Parts PVC Swing
Check
Valve
UPVC Non Actuator True Union Ball
Valve
US$ 6.32
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Runke Plastic Tech Co., Ltd.
Video
Wafer Cast Iron Non Return
Valves
Wafer
Double
Flap
Check
Valve
with Ce ISO Wras Approved
US$ 10-100
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Worlds Valve Co., Ltd.
Video
Wafer Type
Double
Door Dual Plate
Check
Valves
with Aluminum Bronze Disc
US$ 15-30
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Worlds Valve Co., Ltd.
Video
ANSI150 API JIS DIN A105 A350lf2 Non Return
Check
Valve
US$ 1
/ Piece
1 Piece
(Min. Order)
Start Order
CZIT DEVELOPMENT CO., LTD.
Video
Double
Flanged Dual Plate
Check
Valves
Non Return
Valves
US$ 10-200
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Worlds Valve Co., Ltd.
Video
High Quality PVC
Double
True Union Non Actuator Ball Vallve UPVC Flanged Butterfly
Valve
Plastic Foot
Check
Valve
DN15-DN100
US$ 1.124
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Runke Plastic Tech Co., Ltd.
Video
Rubber Lined PTFE DN150 Pn16 Pressure Cast Steel Wafer Non Return
Check
Valve
US$ 1
/ Piece
1 Piece
(Min. Order)
Start Order
CZIT DEVELOPMENT CO., LTD.
Video
ANSI
Double
Flanged Ductile Iron Rubber Fully Lined Swing
Check
Valve
Automatic
US$ 37-46
/ Piece
1 Piece
(Min. Order)
Start Order
Like Valve (Tianjin) Co., Ltd.
Video
High Quality Plastic Non Return
Check
Valve
PVC Swing Type Flange
Check
Valve
UPVC Wafer
Double
Flanged
Check
Valve
DIN ANSI JIS Standard
US$ 1.29
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Runke Plastic Tech Co., Ltd.
Video
DIN Standard DN150 6" DIN Pn16 A216wcb Flanged RF Swing Type
Check
Valve
Carbon Steel Non Return
Valve
US$ 300
/ Piece
1 Piece
(Min. Order)
Start Order
CZIT DEVELOPMENT CO., LTD.
Video
High Quality PVC Wafer Swing Disc
Check
Valve
UPVC
Double
Flange Type
Check
Valve
Plastic Full Bore Flanged
Valve
DN20-DN400 (3/4"-16")
US$ 19.6
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Runke Plastic Tech Co., Ltd.
Video
DIN H41h Cast Iron Lifting Flange
Check
Valve
US$ 1
/ Piece
1 Piece
(Min. Order)
Start Order
CZIT DEVELOPMENT CO., LTD.
Video
High Quality PVC Wafer Swing
Check
Valve
UPVC
Double
Flange Type
Check
Valve
Plastic Full Bore Flanged
Check
Valve
DIN ANSI JIS BS Standard (3/4"-16)
US$ 19.6
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Runke Plastic Tech Co., Ltd.
Video
High Grade 150 Lb Industrial High Pressure 1 Inch Forged
Check
Valve
Swing Type Flanged Stainless Steel Swing
Check
Valve
US$ 1
/ Piece
1 Piece
(Min. Order)
Start Order
CZIT DEVELOPMENT CO., LTD.
Video
Ductile Iron/Ss/Bronze Wafer
Double
Door
Check
Valve
with Ce&ISO Approved
US$ 10-200
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Worlds Valve Co., Ltd.
Video
High Quality PVC
Double
True Union Non Actuator Ball Vallve UPVC Flanged Butterfly
Valve
Plastic Foot
Check
Valve
DIN JIS BS ANSI Standard DN15-DN100
US$ 1.124
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Runke Plastic Tech Co., Ltd.
Video
Cracking Pressure 1 Psi
Check
Valve
-DN25 SS304 NPT Female Pn10
US$ 32.3
/ Piece
50 Pieces
(Min. Order)
Start Order
CZIT DEVELOPMENT CO., LTD.
Video
High Quality PVC
Double
True Union Non Actuator Ball Vallve UPVC Flanged Butterfly
Valve
Plastic Foot
Check
Valve
JIS ANSI Standard DN15-DN100 (1/2"-4")
US$ 1.124
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Runke Plastic Tech Co., Ltd.
Video
API DIN Casting Flanged Stainless Steel Swing
Check
Valve
US$ 10
/ Piece
1 Piece
(Min. Order)
Start Order
CZIT DEVELOPMENT CO., LTD.
Video
High Integrity
Double
Plate Wafer Type CF8m Cast Steel Dual Plate
Check
Valve
Stainl; Ess Steel
US$ 11-17
/ Piece
1 Piece
(Min. Order)
Start Order
Like Valve (Tianjin) Co., Ltd.
Video
Wafer
Double
Flanged Full Rubber Liner
Double
Door Dual Plate Non Return
Check
Valves
US$ 10-100
/ Piece
1 Piece
(Min. Order)
Start Order
Tianjin Worlds Valve Co., Ltd.
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Category
Industrial Equipment & Components
Check Valve
Butterfly Valve
Ball Valve
Pipe & Tube System
Combination & Joint Fittings
More
Product Features
Material
Cast Steel
Connection Form
Thread
Welding
Structure
Tubular
Elevated
Butterfly
Pressure
Ordinary Temperature
Ordinary Pressure
Function
Ddcv Double Lobe
Nrvr Silence
Sfcv Rubber Lobe
Nrvz Silence
Nrvg Silence
Sealing Form
Bellows Globe Valve
Gland Packings Globe Valve
Flow Direction
Reversing
Bidirectional
Unidirection
Standard
JIS
Bsw
ANSI
GB
DIN
Application
Industrial Usage
Water Industrial Usage
Household Usage
See More Features
Company Features
Business Type
Manufacturer/Factory
Trading Company
R&D Capacity
OEM
Own Brand
ODM
City
Tianjin