Quarter-Turn Valves

I.C. Ball Valve Three Piece Screw End

Design: Three Piece Design

Investment Cast Ball Valve Three Piece Design with Screw/Socket Weld End. Full port design with easy in-line maintenance capability.

Key Applications

Process IndustriesChemical PlantsOil & GasPower GenerationSteamWaterOilAirGases
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Technical Specifications

Design & Manufacturing Standard BS 5351 / API 602
Testing & Inspection Standard API 598 / BS 5146
End Connections BSP / NPT / Socket Weld (SW per ANSI B16.11)
Pressure Class 150#
Hydro Test Pressure (Body) 425 PSI
Hydro Test Pressure (Seat) 300 PSI
Maximum Temperature 180°C
Air Test (Seat) 80 PSI (where applicable)

Material of Construction (MOC)

Component / Part Available Materials
Body ASTM A351 CF8/CF8M/CF3/CF3M
Body Connector (×2) ASTM A351 CF8/CF8M/CF3/CF3M
Ball Same as body / AISI 304 / 316 / 304L / 316L
Stem AISI 304 / 316 / 304L / 316L
Gland Nut / Lock Nut AISI 304 / 316 / 304L / 316L
Gland Bush AISI 202 / 304 / 316 / 304L / 316L
Seat Ring / Seals PTFE / GFT
Lever S.S. 202, 304, 316 / M.S. (M.S. for 65 mm and above)
Nuts & Bolts M.S. / S.S. 202 / 304 / 316

Service Media

SteamWaterOilAirGases

Engineering Notes

Purchase Options

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Features & Benefits

Positive Sealing

Bubble-tight shut-off with PTFE/GFT seats for reliable isolation in steam, water, oil, air, and gas service.

Quarter-Turn Operation

Fast operation with low torque; wrench indicates valve bore direction for correct installation.

Investment Cast Quality

Uniform dimensions, dense material, and attractive finish from investment casting process.

Serviceable Design

Seats and seals are easily replaced; self-cleaning PTFE seats offer long life and low torque.

Frequently Asked Questions

Q Can the valve be serviced in line?

Yes. Three-piece construction allows removal of the center body with ball and seats while end pieces remain in the pipeline.

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