Butterfly valve

STANDARD SPECIFICATION                                                                                                                                                        

Size Range(Upto 2000mm ISI-Marked)

50mm to 600mm (Wafer-moulded rubber lined body)

200mm to 2700mm (Flanged – Renewable Soft Seal on Disc)

Mfg/ Design Std.

IS 13095/BS 5155/AWWA C504/ BS EN 593 / API 609

Type of Valve

Wafer (Centric /Concentric) & Double Flanged (Single/ Double Eccentric)

Pressure Rating

PN 1.0 / PN 1.6 / Class – 150

Flanged End

IS: 1538 (Tab-4&6), On Request – BS /ANSI/AWWA/DIN/BSEN

Body & Other C.I Parts

C.I to IS: 210 Gr. FG-200/260 or BS 1452 or ASTM A126

Body Seat

S.S., IS:6603 or AISI – 304/316

Seal Retaing Ring

S.S., IS:6603 or AISI – 304/316

Shaft

S.S. to IS:6603/AISI -410/304/316

Disc Seal/ Body Lining

Nitrile/EPDM/Viton/BUNA-N

Actuation

Lever, Gear with Handwheel, Electric/Pnuematic Actuator

Additional Accessories

External By-Pass, Extn. Shafting & headstock arrgt.

Looking (To facilitate removal of gear box.)

Special Features

·         Available in wafer single flange/ wafer Lugged design

·         The Integral liner concept in fall safe design

·         Suitable for Bi-Directional installation to zero leakage.

·         Less wear and tear of seal and longer life self-cleaning and non-jamming seat design

·         On request metal seling design (Upto 600mm dia)

·         Available in Cast steel, Faricated Steel & D. I.