Pneumatic Center Lug And Wafer Butterfly Valves

• Epoxy paint coating:
• Internal and external application with a minimum coating thickness of 250 μm GSK
• Anti-corrosion protection ensured by an integral epoxy coating and by full body coverage by the cuff.
• Flange gaskets incorporated into the cuff: no additional gaskets required.
• Zinc Plated Ductile Iron Butterfly.
• Flexible installation : the faucet can be installed between two flanges or at the end of the line, two-way installation. 
• Actuation:

- upper connection plate according to ISO 5211 standard.

- the flange allows the use of different types of actuators .

• Interchangeable cuff.
• Wide variety of applications, including drinking water and industrial applications, thanks to the many materials available.
• Couples of reduced maneuvering.
• Easier maintenance with reduced costs.
• Sealing according to EN12266-1 - A. (total sealing).
• ISO 5211 base for mounting actuator.
• Axis in one piece.
• Single Acting: activation by compressed air and return by springs (SE).
• Double Acting : activation and return by compressed air (DE).
• Serial number engraved on all bodies.

Compliance with standards:

• NF EN 1092-2: 1997: Flanges and their assemblies. 
• Epoxy coating certification GSK-ID 1247 (RAL-GZ 662)
• NF EN 1171 (category 3). 
• NF EN 12266-1 100% tested in accordance with the standard
• NF EN 12266-1, DIN 3230

Approval:

• ACS (Certificate of Health Conformity). 

Characteristics:

• Design following EN593 and EN1074-2
• Face-to-face according to EN 558 series 20.
• Nominal pressure (PN): PN10/PN16
• Double drilling for anchoring and centering the valve according to ISO 5211 / DIN 3337.
• External adjustment of the angular stroke of the pistons (± 5˚) in opening and closing.
• Integrated position indicator.
• Equipped as standard with 12 springs (single acting models only).
• Non-ejectable shaft.
• Operating temperature for standard construction: -20 ˚C to 80 ˚ vs. IP67 protection rating. Other possibilities depending on choice of materials.
• ATEX approval in accordance with Directive 2014/34/EU.

Applications:

• Water distribution networks
• Transfer pipes
• Water treatment