Your defense against the harshest of corrosive processes.
Intervalve’s PTFE lined Butterfly valve model IVTFE provides an optimum solution to the corrosion problems encountered by the chemical process industries with conventional butterfly valves. The PTFE seat liner covers the entire wetted surface of the body. It extends onto the flange contact faces, thus eliminating the possibility of any media contact with the body metal.
The circularly molded full backup elastomer and live-loaded disc shoulder sealing ensure bubble-tight closing of the valve with zero shaft leakage. The valve is adaptable for ON/OFF as well as control duty and can be fitted with actuators and accessories as required to
meet the specific duty conditions.
The PTFE-lined butterfly valve comes in a split body design, allowing easy assembly and service.
Product Specifications
Design
BS EN 593
Size Range
DN50 To DN300
Leakage Classification
Tight shut off
Face to Face
API 609 , BS EN 558 , ISO 5752
Operating Temperature
-25° C ~ +200° C.*
Pressure Rating
PN 2.5 / PN 6 /PN 10
Testing Standard
API 598, EN 12266
Flange Standard
ASME 150;DIN PN10/16;IS:6392 NP1.0/1.6; BS 10 TAB
Flow Direction
Bi-Directional
Configurations
Wafer
DN50 To DN300
Material of construction
- Body : SGI / WCB / CF8 /CF8M
- Disc : CF8 / CF8M / SPL. ALLOYS
- Seat : PTFE/RPTFE
- Shaft : AISI 410 /SS 316 SH /17-4 PH
- Bearing : STEEL BACKED PTFE
- Shaft Sealing : O-Rings
- Backup Elastomer : Viton / EPDM
- Fasteners (Internal) : STAINLESS STEEL 304
Operator
Hand lever
DN50 To DN200
Gear Box
DN50 To DN300
Actuator
DN50 To DN300
