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Flanged DIN DN50 DN100 DN200 PN25 Spring Loaded Cast WCB Piston Globe Check Valve

Categories Flange Check Valve
Brand Name: TOBO
Model Number: /
Certification: ISO
Place of Origin: CHINA
MOQ: 1PCS
Price: negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 10000pcs/month
Delivery Time: 15workdays
Packaging Details: Valves are wrapped in plastic bubble sheet & in plywood boxes
Application: Oil, Gas, Water, etc.
Body Material: Carbon Steel, Stainless Steel, Alloy Steel, etc.
Certificate: ISO, CE, API, etc.
Disc Material: Carbon Steel, Stainless Steel, Alloy Steel, etc.
End Connection: Flange
Flow Characteristic: Linear, Equal Percentage, etc.
Operation: Manual, Pneumatic, Electric, etc.
Pressure Range: 0~42Mpa
Pressure Rating: Class 150-2500
Seat Material: Nylon, PTFE, etc.
Standard: API, ANSI, DIN, JIS, etc.
Temperature Range: -196℃~+540℃
Valve Size: 1/2”~48”
Valve Type: Flange Check Valve
Valve Body Coating: Fusion Bonded Epoxy Coating, etc.
Valve Body Material: Carbon Steel, Stainless Steel, Alloy Steel, etc.
Valve Connection: Flange
Valve Design Standard: API 6D, API 594, BS 1868, ASME B16.34, etc.
Valve End Connection: ASME B16.5, ASME B16.47, DIN2543~2548, etc.
Valve Face to Face: ASME B16.10, API 6D, DIN 3202, BS 2080, etc.
Valve Operation: Manual, Gear, Electric, Pneumatic, etc.
Valve Pressure: Class 150~2500
Valve Pressure Rating: PN16, PN25, PN40, PN64, PN100, PN160, PN250, etc.
Valve Seat Leakage: Class IV, Class VI, etc.
Valve Temperature: -196℃~+560℃
Valve Test Standard: API 598, API 6D, BS 6755, JIS B2003, etc.
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Flanged DIN DN50 DN100 DN200 PN25 Spring Loaded Cast WCB Piston Globe Check Valve

Flanged DIN DN50 DN100 DN200 PN25 Spring Loaded Cast WCB Piston Globe Check Valve

Nominal Diameter: Ø50-Ø200 (2”-8”)

Maximum Working Temperature: 80℃ (176℉)
Maximum Working Pressure: 16 bar (230 psi)
Body: Cast Iron (GG25)
Coating: Epoxy Powder
Dimensions: DIN 3202/2-F6
Flange Dimensions: DIN 2501 (Flange)TS ISO 7005-2

Standards:
Design and Manufacture:EN 1868
Face to face: DIN 3202
Flanged ends: EN 1092-1
Inspection and test: EN 12266-1


The pressure of the fluid passing through a system opens the valve, while any reversal of flow will close the valve. Exact operation will vary depending on the type of Check valve mechanism. Most common types of Check valves are swing, lift (piston and ball), butterfly, stop and tilting-disk.


Specifications:

Nominal pressue (MPa)1.01.6
Nominal diameter(mm)50-60050-600
Test pressureShell1.52.4
(MPa)Seal1.11.76
Applicable temperature150
Applicable mediumFresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids,
Alkalis, etc.
Operating modemanual, worm gear, pneumatic, electric, etc.


Standards:

Design & ManufactureFlange ConnectionFace to Face DimensionTest & Inspection
DIN3202DIN2533&EN1092DIN3202 F6

Types of Check valves


Swing Check valve
A basic swing Check valve consists of a valve body, a bonnet, and a disk that is connected to a hinge. The disk swings away from the valve-seat to allow flow in the forward direction, and returns to valve-seat when upstream flow is stopped, to prevent backflow.

The disc in a swing type Check valve is unguided as it fully opens or closes. There are many disk and seat designs available, in order to meet the requirements of different applications. The valve allows full, unobstructed flow and automatically closes as pressure decreases. These valves are fully closed when flow reaches zero, in order to prevent backflow. Turbulence and pressure drop in the valve are very low.


Lift Check valve
The seat design of a lift-Check valve is similar to a Globe valve. The disc is usually in the form of a piston or a ball.

Lift Check valves are particularly suitable for high-pressure service where velocity of flow is high. In lift Check valves, the disc is precisely guided and fits perfectly into the dashpot. Lift Check valves are suitable for installation in horizontal or vertical pipe-lines with upward flow.

Flow to lift Check valves must always enter below the seat. As the flow enters, the piston or ball is raised within guides from the seat by the pressure of the upward flow. When the flow stops or reverses, the piston or ball is forced onto the seat of the valve by both the backflow and gravity.




Features:

1. Small in size, light in weight, compact in structure,easy in maintenance.
2. Two torsion springs are used excreting on each of the pair valve plates,which close the plates quickly
And automatically.
3. The quick-close action prevents the medium from flowing back and eliminates water hammer effect.
4. Short body structure length and good rigidity.
5. This valve is tightly sealed, without leakage under the pressure water test.
6. Safe and reliable in operation,high interference-resistance.

Quality Flanged DIN DN50 DN100 DN200 PN25 Spring Loaded Cast WCB Piston Globe Check Valve for sale
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