• General description

• Features

• Actuators

• Approvals

• Applications

Type : Rubber lined butterfly valve with elastomer seat

End connection: Wafer

• Same design as JMC series

• Face to face standard: ISO 5752 - 20

• Size: DN 50 mm (2”) to 300 mm (12”)

• Working pressure: PN 10, 16

• Working temperature: -15°C to +130 °C

Design features: Body

• Top flange in acc. With ISO 5211
  to adapt any type of actuators

• Locating holes
  for perfect alignment (semi-Lugged) between flanges.

• Body materials:
  Ductile Iron (Standard material)

Design features: Disc

• Spherical shape for perfect Disc/seat tightness and continuous contact.

• Made in One piece without attachments or pins.

• Disc materials:
  Ductile Iron (Epoxy coated)
  Al.Br, SS 316 also available

Design features: Shaft

• Disc/shaft connection via Spline shaft

• “Dry shaft” design: Shaft completely isolated from the media

• Shaft materials:
  Stainless steel AISI 420 (standard)

• Square shaft for standard JMA. Round with cross pin for UL/FL approved version

• Chevron seal to prevent external contaminations

• Multiple bearings made in PTFE on metallic support (DU type) for maximum radial support and shaft rigidity.

• Protecting plug

Design features: Anchored Seat

• Extra seat support (anchored in the body)

• Ensures accurate positioning of the seat and better tightness

• Seat bossings

• Increase tightness between disc/seat and Seat/shaft

• Lips and groove construction

• For better tightness between flanges

• Materials:

• EPDM, Nitrile, Viton, Hypalon, Therban...

Design features: Anchored Seat

• Extra seat support (anchored in the body)

• Avoids excessive stresses whilst opening & closing

• Provides better angular tightness (+/- 5°)

• Provides bubble tight shut-off up to 25 bars (differential pressure)

• Seat bossings

• Spherical shape in contact with the disc for better and continuous tightness

• Shaft fully isolated from the media

Manual operators:

• Lockable lever made in Ductile Iron

• Notched lever made in Aluminium

• Worm gears for DN50 to DN300 with adjustable mechanical stops

• Worm gear MF type with or
  without Monitor switches

• UL/FM/VDS/APSAD approved for fire protection applications

Actuators:

• Pneumatic actuators:

• Single or double acting type.

• For ON/OFF or modulating service

• Electric actuators:

• For ON/OFF or modulating service

Approvals and certificates:

• UL 175 psi (USA)

• FM 175 psi (USA)

• VDS (GER)

• APSAD (FR)

• FIRE PROTECTION SYSTEMS

• HVAC (motorized butterfly valves)