GENERAL DESCRIPTION
Type : Butterfly valve with rubber
encapsulated disc.
End connection: Grooved ends
Face to face standard: MSS-SP-67
Size: DN 50 mm (2”) to 300 mm (12”)
Working pressure: PN 6, 10, 16
Working temperature: -15°C to +110 °C
Design features: Body
• Top flange in acc. With ISO 5211
– to adapt any type of actuators
• Extended neck
– For easy insulation
• Grooved ends
– For installation with “Gruvlok
couplings” or “Victaulic joints”
• Body materials:
– Ductile Iron epoxy coated Internally
and externally
Design features: Disc
• Spherical shape for perfect Disc/seat
tightness and continuous contact.
• Fully rubber encapsulated
– For better corrosion resistance
• Made in One piece without
attachements or pins.
• Disc materials:
– Ductile Iron or Brass
– (EPDM or NBR encapsulated)
Design features: Shaft
• Disc/shaft connection via Spline shaft
• “Dry shaft” design: Shaft completely
isolated from the media
• Protecting plug
– Shaft fully protected from outside
contamination
• Shaft materials:
– Stainless steel AISI 420 (standard)
Design features: Shaft
• Square shaft for standard
JPL. Round with cross pin for
UL/FM approved version.
• Multiple bearings made in
PTFE on metallic support (DU
type) for maximum radial
support and shaft rigidity.
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/LPCB 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),
• UL 300 psi (USA)
• FM 175 psi (USA)
• VDS (GER)
• APSAD (FR)
• LPCB (UK)
• WRC (UK)
Applications:
• FIRE PROTECTION SYSTEMS
• HVAC
• MINING
