Tel: +44 (0) 2890 020190
Double Offset Double Flanged Butterfly Valve

Type IVDXR double flanged range of Butterfly valves are double eccentric disc design, Which practically eliminates any seat wear. The fully replaceable seat fitted periphery on the disc is field replaceable and is capable of achieving bi-directional sealing.

IVDXR is available either in Cast or fully fabricated design. The face to face dimensions can be either as per BS (Series BC & BF) or as per AWWA (Series AC & AF).

Conformity to codes and standards:

General design & manufacturing EN593/ API 609
Face to face dimensions Short pattern EN593 / API609 / ISO 5752 series-13 / AWWA C504
Top flange drilling ISO 5211
Valve inspection & testing API 598 / EN593
Flange standard conformity ANSI B16.5#150 sizes up to 600mm, ANSI B16.47 series A & B for sizes 650mm and above, DIN PN6 / PN10 / PN16
WRAS Materials available on request

Technical Specifications

Feature Value
Valve type Double offset disc double flanged Butterfly valve
Body type Double flanged short
Seat type Fully replaceable fitted on the disc periphery
End Connection Flanged
Size range 400 NB to 1200 NB
Operating temperature range 0C to 180C (Depending on MOC)
Pressure rating PN 10
Seat leakage Tight shut off
Operation Worm gear, Pneumatic & Electric actuators
Available material of construction (MOC)
Body/Disc SGI / WCB / LCB / CF8 / CF8M /AB2 / Austenitic Stainless Steel (6MO) / Super Duplex Disc also available in Titanium
Seat EPDM / Nitrile / Viton / Silicon
Shaft AISI 410 / 17-4 / Monel / Super Duplex
Other materials available on request


Tel: +44 (0) 2890 020190
Unit 4, 38-40 Duncrue Crescent
Belfast, BT3 9BW
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