• General description

• Design and Features

• Applications

• Product pictures

Type: Resilient seated with elastomeric seat
DN 500 to 2400 mm
Centric disc design
“Dry shaft” design
Replaceable Elastomeric seat
Mono-Flanged DN 1050 to 2400
Double Flanged DN 500 to 2400
PN10, 16, 20, 25 (Acc. to size)

Design features: Body

• Top flange in acc. With ISO 5211

• to adapt any type of actuators

• Lifting lugs and supporting feet

• For easy handling and Maintenance

• Body materials:

• Ductile Iron (Standard material)

Design features: Disc

• Made in One piece without attachments or pins.

• Disc materials:

• Ductile Iron (Epoxy coated)

• Al.Br, SS 316...

• Special coatings: Rilsan, Ebonite, Halar, PTFE...

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)

• SS 17-4-PH (on request)

• Square shaft (DN500 to 800) Key shaft DN900 to 2400.

• Chevron seal to prevent external contaminations

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

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

Design features: Body styles

• Mono-Flanged

• With tapped holes

• Double-Flanged

• Mono-Flanged

• Double-Flanged

• Water Treatment / Pumping / distribution

• Power generation (Cooling water systems)

• Sea water cooling systems

• When large size resilient seated valves are required