PTFE Lined Butterfly Valves

BFV01-PTFE

The world's leading modular PTFE-lined butterfly valve, built to the highest quality standards for safe handling of aggressive media.

• Safe handling of corrosive media thanks to a unique sealing system

• A regulating pressure package guarantees the specified contact pressure and maximum tightness over the entire lifetime of the equipment

• Specially designed for use with aggressive media such as chlorine gas, hydrofluoric acid and sulfuric acid

• Above-average overall performance thanks to a technically proven but constantly improved sealing system

• Reduced friction and increased service life thanks to spherical design elements

• Rounded and polished sealing surfaces of the disc reduce the torque and allow the use of smaller and cheaper actuators

•The one-piece valve disc, precisely dimensioned to within tenths of a millimeter, always remains securely anchored in the valve

•Injection molded elastomer inserts with a complex design ensure maximum tightness over an increased service life

BODY TYPES

Wafer DN50-300 (Can be made from DN350 to DN1200 with lug body and unthreaded holes.)

Lug DN25-1200

APPLICATIONS

Butterly valve lined with PTFE/PFA or mod. PTFE/PFA for high chemical demands. To shut off and control corrosive and abrasive liquids or gases.

FACE TO FACE

ISO 5752, Basic Range 20

EN 558-1, Basic Range 20

HEAD FLANGE

According to EN ISO 5211

MAX. OPERATING PRESSURE

DN25-450: 10 bar

DN500-600: 6 bar

DN700-1200: 3 bar

CONNECTION STANDARDS

PN10-16 (DN25-150)

PN10 (DN200- 600)

PN6 (DN700-1050)

ANSI CL150

TEMPERATURE RANGE

-60 °C up to +200 °C (see Catalogue, p.9: Pressure / Temperature diagram)

IDENTIFICATION MARKING

EN 19

IN-SHOP TESTING

Porosity Test of Disc Coating (PFA) and Liner (PTFE / mod.PTFE) acc. to EN 60243-1

Leakage Test acc. to EN 12266-1/P12

Leakage Rate A

Check of Torque

APPROVALS

TA-Luft: Compliance Leakage Certificate according to Position 5.2.6.4. of the Technical Instruction Air (TA-Luft), VDI 2440.

Compliance of the Safety Requirements of the European Pressure Equipment Directive 2014/68/EU.

Atex 2014/34/EU compliant Version for explosive surroundings Group II, Zones 0, 1, 2 (and 20, 21, 22 respectively).

Food: Food (EC) 1935/2004; FDA.

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