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Uni Directional

Knife Edge Gate Valve

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Uni Directional Knife Edge Gate Valve

Inquiry Now

Specification & Standard

Size Range

50MM To 1200MM

Tempreature Range

Upto 250°C

Pressure Class

Min. 0.5 Bar - max. 10 Bar

Design & Manufacturer

MSS SP - 81

Valve Face To Face Dimension

MSS SP - 81

Inspection & Testing

MSS SP - 81

Body Material

C.I / S.G.I / D.I / WCB / CF8 / CF8M / CF3M / SS 316

Seat Materials

NBR / EPDM / VITON / PTFE

Disc Material

SS 304 / SS 306 / SS 316 L / MS / DUPLEX - 2205

Body Style

Single Pc, Semi Lug, Full Lug, Double Flange, Wafer Type

Flange Drilling

ANSI B 16.5 (150#) EN 1092 - 2 PN 10

Leakage Class

Class - VI

Media

Mining & Mineral Processing, Pulp & Paper, Cement, Water, Sugar, Carbon Black, Material Handling, Fossil Fuel Power, Slury

Optional Body Type

Metal To Metal Class 4 & 6

Features & Benefits

1 – STEM : The standard stainless steel stem offers a long corrosion resistant life. For rising stem handwheel actuators only, a stem protector is provided for additional protection against dust while the valve is in the open position.

2 – GATE : Stainless steel gate. Gate is polished on both sides to avoid jamming and seat damage. Bottom of the gate edge is machined to a bevel to cut through solids for a tighter seal in the closed position. The thickness and / or material of the gate can be changed on request for higher pressure requirements.

3 – PACKING : Long – Life packing with several layers of braided fiber plus an EPDM ‘O’- Ring, with an easy access packing gland ensuring a tight seal. Long – Life] braided packing is available in a wide range of materials.

4 – SEAT : (RESILIENT) : Unique design that mechanically locks the seal in the material of the valve body with a stainless steel retainer ring. Standard EPDM also available in different materials such as Viton / PTFE Etc…

5 – YOKE OR ACTUATOR SUPPORT : Made of EPOXY coated steel (stainless steel available on request). Compact design makes it extremely robust even under the most severe conditions.

6 – BODY : Wafer style cast monoblock with raised faces and reinforcing ribs in large diameters for extra body strength. Internal cast-in gate wedges and guides allow for a tighter shut- off between gate and seat. Full port design for greater flow capacity and minimum pressure drop. The internal body design avoids any accumulation of solids that would prevent the valve from closing.

7 – EPOXY COATING : The epoxy coating on all “aira” cast iron & carbon steel valve bodies and components is applied by means of an electrostatic process, making the valves corrosion-resistant with a high quality finished surface. The “aira” standard colour is RAL-5015 blue.

Aira Euro Automation is a prominent Knife Edge Gate Valve Manufacturer, Supplier, and Exporter in India. We have a highly experienced team of engineers, who always work to build easy to use, safe, and quickly operated valves.

We generally confirm to MSS SP 81 to follow manufacturing standards, we use IS 210 Gr. FG200 S.Steel 304 material for Valve Body, AISI 304 SS material for Trims, and CF8 / CF8M / CF3M material for Bonnet.

This valve has Metal to Metal / NBR seals, the available size range is 2” to 24” and Max. C.W.P. is 100 PSIG (7 Kg/cm2). It comes up with Lug Type Suitable For BS 10 Table “D” / ANSI B 16.1 (125#) End connections with Class IV to V Leakage Class.

For pneumatic cylinders we use Aluminium / S.Steel to make Barrel, Aluminium Pressure Die Cast / C.I. to make End cover, Stainless Steel for Piston Rod, and for Seals, we use Nitrile and also Viton on Request.

Uni - Directional

Knife Edge Gate Valve

Dimension Table

Uni - Directional

Knife Edge Gate Valve

Dimension Table

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