Double flanged PTFE lined butterfly valve manufacturer, factory and supplier. Double flanged PTFE lined butterfly valve is manufactured in size range of 40 mm to 400 mm, Body and Integral Disc with shaft material are available in carbon steel, stainless Steel fuly lined with PTFE,FEP, PFA.
Double flanged PTFE lined butterfly valve is available in Wafer Body Style in ANSI 150#, PN6, PN 10, PN16 Class operated by Hand lever, Manual Gear, Pneumatic Actuator and wide range of Accessories like positioner, proximity switch box, Limit switch, solenoid valve etc
Double flanged PTFE lined butterfly valve is ideally suited for the stringent performance requirements demanded with isolating and controlling wet and dry chlorine gas as well as hydrochloric acid.

Double flanged PTFE lined butterfly valve specification

1) Design Standard : BS EN 593:2004 (Formerly BS 5155)
2) Testing Standard : BS EN 12266-1&2 (2003)
3) Size Range : 40 mm to 600 mm
4) Design : Split Body – Flanged type, Wafer type,Lug type
5) End Connection : Wafer Type to sandwich between two flanges as per  ANSI B16.5 / DIN PN 10 / DIN PN 16
6) Face to Face : API 609 / DIN 3202 K1 / BS 5155 / ISO 5752 / BS EN 558-1/2
7) Lining Thickness : 3 to 5 mm
8) Body / Disc M.O.C. : Ductile Iron GGG40.3 / ASTM A395, Cast Steel ASTM A216 Gr. WCB, ASTM A351 Gr. CF8 (S.S.304), ASTM A351 Gr. CF8M (S.S.316)
9) Lining Material Options : PTFE – ASTM D 4895, PFA – ASTM D 3307, FEP – ASTM D 2116
10) Test and Inspection : Hydraulic Test : Body (Shell) – 20 Kg/Cm, Seat – 11 Kg/Cm, Pneumatic Test : Seat – 6 Kg/Cm
11) Spark Test : 15 K.V.D.C.
12) Operation : Gear Box, Pneumatic Actuator, Electro-Pneumatic Valve Positioner, Electrical Actuator, Solenoid Valve, Limit Switch, Air Filter Regulator