Tel: +44 (0) 2890 020190
General Purpose Rubber Lined Butterfly Valve With Lugged Body

IVTL model butterfly valve incorporates the optimum design features to provide long trouble free service in the field. This general purpose soft seated butterfly valve has a fully rubber lined single piece body with a centric disc construction and is available in wafer lugged style body pattern to ensure precise location in pipe line.

The body liner which also functions as the soft seat comes either in a replaceable version or an integrally moulded (bonded) version and offers 100% bi-directional sealing against vacuum to rated pressures of PN 10 / PN 16 and fully rated to ANSI 150lb.

The tapped lug version can be used as end of line valves

Conformity to codes and standards:

General design & manufacturing API 609 category A / BS 5155 / MSS SP-67
Valve face to face dimensions Short wafer or wafer lugged as per ISO 5752 Tab 5 & API 609 category A
Top flange drilling ISO 5211 part II
Valve inspection & testing API 598
Flange standard conformity ANSI 150, DIN PN6 / PN10 / PN16, JIS 5K / 10K, BS10 Tab D & E
For sizes 650 ANSI B16.47 Class 150 Series A / BS 3293 Class 150 and Series B / API 605

Technical Specifications

Feature Value
Valve type Centric disc design butterfly valve with a single piece rubber lined body
Body type Wafer lugged
Seat type Replaceable for sizes 50 NB to 600 NB PN 10 rating
Bonded seat for sizes 40 to 1200 NB for all ratings
End Connection Wafer lugged
Size range 40 NB to 1200 NB
Pressure rating 40 NB to 600 NB PN 16 / PN 20 / Class 150lb
650 NB to 1200 NB - PN 10 (max) Others on request
Operating temperature range -25C to 200C (Depending on MOC)
Seat leakage Tight shut off
Operation Handlever for sizes from 40 NB to 250 NB
Worm gear boxes for sizes from 40 NB to 1200 NB
Pneumatic / Electric actuator - optional
Available material of construction (MOC)
Body/Disc CI / SGI / WCB / LCB / CF8 / CF8M / AB2 / Duplex / Super Duplex (1A-6A) Austenitic Stainless Steel (6MO) / Hastelloy
Disc also available in Titanium
Seat EPDM / Viton / Nitrile / Neoprene / Hypalon / Silicon
Shaft AISI 410 / SS 316 SH
Available material of construction (MOC)
Body/Disc WCB / LCB/ CF8 / CF8M
Shaft AISI 410 / SS 316 SH
Other materials available on request


Tel: +44 (0) 2890 020190
Unit 4, 38-40 Duncrue Crescent
Belfast, BT3 9BW
© Copyright Frenstar 2013. All Rights Reserved.