Fluid handling, regulation and control

Fluid handling, regulation and control

Fluid handling, regulation and control

PTFE lined butterfly valves

Category Brand

Description

The PTFE lined butterfly valves are designed to control corrosive fluids in applications requiring high reliability, perfect seal, constant torque and poor maintenance.

The PTFE lined butterfly valves are suitable for different uses and industries (chemical, pharmaceutical, cosmetics, semiconductors – UPW, foundries, mining).

The PTFE lined butterfly valves ensure a tight “bubble proof” seal in both directions, in accordance with EN 12266-1.

The PTFE lined butterfly valves are provided with two series of cup springs which ensure the exact pressure to keep in contact the two sealing surfaces.

In addition, the PTFE lined butterfly valves ensure high sealing of the flanges also thanks to the covering. They are equipped with thin disk/shaft in one piece coated with a layer of molded PFA with a thickness of 3 mm.


TECHNICAL SPECIFICATIONS

Body materials available
– Ductile iron
– Carbon Steel
– Stainless steel (AISI 304 and AISI 316)
– Special alloys

Disc materials available

– Stainless steel AISI 304 AISI 316
– Stainless steel PTFE coated

Body seals materials available and operating temperatures
– Polytetrafluoroethylene ( PTFE ) -60 ° C / + 190 ° C

Diameters available
DN 20 – DN 25 – DN 40 – DN 50 – DN 65 – DN 80 – DN 100 – DN 125 – DN 150 – DN 200 – DN 250 – DN 300 – DN 350 – DN 400 – DN 500 – DN 600 – DN 700 – DN 800 – DN 1000

Connections available
– Wafer
– Lug
– Double flanged
– PN 6 – PN 10 – PN 16 – PN 25
– ANSI 150 – 300 ANSI

Drive types
– Manual/Handwheel
– Pneumatic
– Electric

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