GENERAL DESCRIPTION
Type : Rubber lined butterfly valve
with elastomeric 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: -15ฐC to +130 ฐC
Design features: Body
Top flange in acc. With ISO 5211
to adapt any type of actuators
Locating holes
for perfect alignement (semi-Lugged)
between flanges.
Body materials:
Ductile Iron (Standard material)
Design features: Anchored Seat
Extra seat support (anchored
in the body)
Ensures accurate positioning of the
seat and better tightness
Seat bossings
Encrease tightness between
disc/seat and Seat/shaft
Lips and groove construction
For better tightness between
flanges
Marerials:
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
(+/- 5ฐ)
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
Design features: Disc
Spherical shape for perfect Disc/seat
tightness and continuous contact.
Made in One piece without
attachements 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)
Design features: Shaft
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
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)
Applications:
FIRE PROTECTION SYSTEMS
HVAC (motorized butterfly valves)
