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Gear Operated Ball Valve

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We offer Gear Operated Ball Valve.


Construction of Material:


Casting Material Specifications:

  • Cast Iron : IS 210, G.R.F. G.200
  • Ductile Iron : ASTM A395
  • Cast Steel: ASTM A216, G.R. WCB
  • S. S. 304 : ASTM A351 CF8
  • S. S. 304L : ASTM A351 CF3
  • S. S. 316 : ASTM A351 CF8M
  • S. S. 316L : ASTM A351 CF3M
  • Alloy 20 : ASTM A351 CN7M

Design Standard:

  • Ball Valve, 2 Pieces : BS 5351, Short / Long Pattern
  • Ball Valve, 3 Pieces : BS 5351, Long Pattern

Standard Resin Specifications
:
  • PFA : ASTM D 3418
  • FEP : ASTM D 2116

Service Temperature:


PFA
:
  • Maximum continuous service temperature : 265° C
  • Melt point: 305° C

FEP:

  • Maximum continuous service temperature : 200° C
  • Melt point : 260° C

Lining Thickness:

  • Minimum Lining thickness would be 3.0 mm over all wetted portion

Chemical Inertness:

  • PFA/ FEP is chemically inert to most of the all chemicals and solvents with the exception of molten alkali metals
  • PFA / FEP lined valves are used to convey, and are inert to, these chemicals : All acids including hydrofluoric, sulphuric and aqua regia, all caustic, all chlorides organic and inorganic, all solvents, all bleach solutions, all peroxides, all phenols and any combinations of above materials
  • Combined with the chemical inertness of PFA / FEP is its unique non-stick property. Thus a PFA / FEP lined products eliminate or minimize the built up of deposits of the products which otherwise reduce flow and affect processing operations.
  • PFA / FEP Lined Ball Valves Finish
  • The interior surface of all valves are clean and free of mold burrs, rust, scale or others that may adversely affect the performance of lining.
  • The exterior surface of all valve bodies are be cleaned by sand / shot blasting and painted by 1 coat of Epoxy primer and 2 coats of Polyurethane Top coat.

Products Inspection and Testing :-


Hydrostatic Pressure:
  • Body Test : 10 Kg/Cm2
  • Seat Test : 10 Kg/Cm2
  • (Hydrostatic pressure at room temperature using clean water.)

Electrostatic Pressure:

  • Non-destructive high-voltage test at an output voltage of 10,000 V. When electric contact is made, a visible/ audible spark or both occur at the probe if there is any defect in lining.

Visual Inspection:

  • All surfaces are free from blister, porosity or any other defect. All checks / tests are conducted before shipment.

Storage & Transport:

  • Each end of valve is protected by specially made rubber cap so that products are capable to withstand normal handling during transport
  • All the materials are supplied with export wooden case or card box packing depending upon the weight and mode of shipment

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