PFA LINED BUTTERFLY VALVE WITH ROTARY ACTUATOR-SERIES 260

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PFA LINED BUTTERFLY VALVE WITH ROTARY ACTUATOR-SERIES 260

This Butterfly Valve is lined with PTFE / PFA material at all the surface contact areas for resistance against high corrosivemedia attacks. The seal on seam of the disc automatically closes.
The PTFE Butterfly Valve is a light weight, lower cost, heavy duty & maintenance free solution to high pressure application and suitable for flow control of Acids, Alkaline, Caustic, Chlorine & highly corrosive fluids.
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DESIGN ASME B16-34
VALVE SIZE 15 to 450 mm ( 1/2” to 18” )
RATING ANSI 150 to 2500 or Equivalents to BS, DIN, etc.
FACE TO FACE ISA S.75.03 1985 up to 600 ISA S.75.16 900 and above
END CONNECTION Flanged, Screwed, Butt Weld, Socket weld.
BODY MATERIALS Carbon Steel, Chrome-moly Steel, Stainless Steel, Monel, Alloy20, Hastelloy B/C, PP, Teflon etc. Teflon Lined / Teflon Metal Housed
BONNET Standard upto 250°C Normalizing (Finned) between 250°C to 500°C Extended cold service – 20°C to – 200°C Extended Bellows seals.
GLAND PACKING Grafoil / PTFE V Rings.
TRIM DESIGNS Top Guided Contoured, Splined Micro Flow, V-Ported (Balanced / Unbalanced), Low Noise ( LN1, LN2, LN3, LN4 )
TRIM MATERIALS Stainless Steel, Alloy20, Monel, Hastelloy B/C, Stellite (Alloy 6 )
CHARACTERISTICS Equal Percentage, Linear and Quick Opening.
SEAT LEAKAGE As per FCI-70-2 (ANSI B 16.104) Class III. IV, V and VI ( STANDARD LEAKAGE RATES ) Metal to Metal Seating Class IV, Less than 0.01% of rated Cv. Metal to Soft Seating – Bubble tight (Zero Leakage)
ACTUATOR TYPE Diaphragm, Cylinder or Electric.
ACTUATOR ACTION Direct / Reverse Acting.
DIAPHRAGM Nitrile / Neoprene
SPRING RANGES 3 – 15 PSIG ( 0.2 – 1.0 Kg/cm² ) 6 – 30 PSIG ( 0.4 – 2.0 Kg/cm² )
AIR SUPPLY 20 – 35 PSIG (1.4 – 2.5 Kg/cm² )
AIR CONNECTION 1/ 4” or 1/ 2” NPT
HANDWHEEL Top or Side Mounted Handwheel
ACCESSORIES OPTIONAL Valve Positioner – Pneumatic , Electro Pneumatic, Smart Positioner, Airset, Solenoid Valve, Air Lock, Volume Booster, I/P Converter, Position Transmitter, Limit – Proximity Switches etc. Removable Blind Head, Steam Jacketing, etc.
  • Maintenance Free High Performance Design.
  • Bubble tight closer provides process efficiency
  • Dynamic Live Loaded Seal Design give super safe operation.
  • Intact Performance in severe conditions of corrosion, abrasion and temperature fluctuation.
  • Compact & simple design, low cost and maintenance free.
  • Very high Cv to body size ratio.
  • Reliable smooth operation and flow control with assured product quality.
  • Bubble tight shut off, leakage Class – VI.
  • Rangeability of 33:1 in the control range.
  • Flow characteristic throttling for modulating duty.
  • Choice of Replaceable Linear/Moulded Lining.
  • Produced with Quality Systems accredited to ISO 9001: 2008 by Bureau Veritas.
  • Full material certification available for all major component Parts.
  • Full guarantee on design and Performance.
  • All testing are performed to the requirements of ANSI B16.34.