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Valves

Valves

01.

Resilient Seated Gate Valve

Resilient seat gate valves are gate valves with an elastomer lined wedge. They are specially used for wastewater, drinking water supply and irrigation.100 % leak proof Corrosion-resistant fusion bonded epoxy coated body and bonnet

SizeDN50 to DN600
Pressure RatingPN 10 / PN 16
Temperature(Up to 70oC)
OperationHand Wheel / Gear Box / Electrical
Material of ConstructionDuctile Iron
DesignBS 5163 , EN 1074 -1, EN 1074 -2, ISO 5752
Face to FaceEN558 Series – 3 / ISO5752, ASME B 16.10
Flange Standard ConformityEN 1538 / EN 1092 – 2
TestingEN 12266 – 1, BS 6756 – 1

Applications

Ball Valve

02.

Two Piece Ball Valve

The C.R.I floating ball valve design sandwiches the ball between two or more cupped seats that form a tight seal between the body and the ball at the inlet and outlet ports of the valve body.

  • Floating ball valves are precisely machined mirror finish solid Ball
  • Inline replacement of stem packing
  • Fire safe tested and certified by FCRI
  • Pressure relief feature
  • Blow out proof stem live load packing, Low emission seals
  • Drain and stem sealant injection features are optional
  • Anti-static design
SizeDN15 to DN150
TypeFloating type, Flanged ends
RatingClass 150
Basic DesignAPI 6D, ISO 17292 / ASME B 16.34
Face to FaceASME B 16.10, API 6D
Flange Standard ConformityASME B 16.5
TestAPI 598, API 6D, EN 12266

CI Valves

  • Suction path is almost straight to the pipe and hence frictional loss is very less
  • Natural rubber flap totally prevents water leakage
  • Ruggedly built with graded cast iron
  • Compact design and easy to install
  • Metal parts of valves are coated with bituminous paint to avoid rust formation
  • It increases water discharge upto 20% and reduces energy consumption upto 10%
Material of constructionCast iron
TypeScrew type, Flange tupe
Maximum operating head1 bar
Available nominal size in mm, Screw type40, 50, 65, 80, 100, 125, 150 mm
“K” ValueLess than 0.8 units
Maximum liquid temperature33°C

NON RETURN VALVE

02.

NON RETURN VALVE

Reflux and Non Return Valves are fitted generally in the delivery pipeline to avoid water hammer, up thrust and backspin effects In the pumping system. These can also be used anywhere in the suction line of which the bottom end is entered into a bore pipe Or tube well. The pressure withstanding capacity of Reflux Valve and Non Return Valve are 1 bar and 15 bar respectively.

  • By-pass arrangements is provided
  • Prevent water hammer, up thrust and back spin in the pumping systems
  • Natural rubber flap totally prevents water leakage
  • Ruggedly built with graded cast iron
  • Compact design and easy to install
Material of constructionCast iron
TypeStandard & Heavy
Maximum operating pressure15 bar
Available nominal size in mm, Standard type50, 65, 80, 100 mm
Heavy Type50, 65, 80, 100 , 125, 150 mm
Maximum liquid temperature33°C

check VALVE

03.

check VALVE

Check Valves are used to prevent backflow. A check valve relies on a pressure differential to work. They require a higher pressure on the input side of the valve than the output side to open the valve.

  • Prevent water hammer, up thrust and back spin in the pumping systems
  • Natural rubber flap totally prevents water leakage
  • Ruggedly built with graded cast iron
  • Compact design and easy to install
  • Metal parts of valves are coated with bituminous paint to avoid rust formation
  • It increases water discharge upto 20% and reduces energy consumption upto 10%
Material of constructionCast iron
TypeSquare type and Round type
Maximum operating head5 bar
Available nominal size ,Square type40 x 40, 50 x 50, 65 x 65, 80 x 80, 100 x 100, 125 x 125, 150 x 150
Round type50 x 50, 65 x 50, 65 x 65, 80 x 65, 80 x 80, 100 x 80, 100 x 100 mm
“K” ValueLess than 0.5 units
Maximum liquid temperature33°C

air VALVE

04.

air VALVE

Air Valve is connected with delivery pipeline to eliminate the trapped air in the system. Normally in horizontal pipeline, due to un-evenness in ground level, there will be an entry of air into the pipeline. It results in pipe damages. Air valves are installed in pipelines.

  • Metal parts of valves are coated with bituminous paint to avoid rust formation
  • Double acting Air Valve in specific size
  • Rubber ball is made up of natural rubber with wood for long life
Material of constructionCast iron
TypeSingle acting & Double acting
Maximum operating pressure5 bar (Single acting)
15 bar (Double acting)
Available nominal size,Single acting
Double acting
12, 19, 25 mm
50 mm

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