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Double Flanged Type Concentric Butterfly Valve

Nov 17, 2017

Product Details

Key Specifications/Special Features:

Double flanged butterfly valve

Body: cast iron/ductile iron/SS316/304/WCB

Disc: ductile iron/SS316/305/aluminum-bronze/ductile iron, nickel plated

Stem: SS416/420

Seat: EPDM, NBR, Viton

Painting: epoxy paint

Methods of operation: gear wheel/electric actuator

Size: 50-1200mm

Pressure: PN1.0/1.6MPa

Medium: water/sea water/wash water/oil

Temperature range: -45 to +135°C



Novel and reasonable design, special structure, lightweight, easy installation and maintenance, it can be mounted wherever needed

Tiny operative moment, quick 90 degrees on-off operation

Minimized operating torque, energy saving

Flow curve tending to straight line, excellent regulation performance

Long service lifespan, standing the test of tens of thousands opening/closing operation

Bubbles-tight sealing with no leakage under the pressure test

Wide selection of materials, applicable for various medium


Standard materials:

Body: cast iron, ductile iron, carbon steel, stainless steel

Seat: NBR, EPDM, Viton, neoprene, hypalon, silicon

Shaft: stainless steel 416, 316, 304

Disc: ductile iron+Ni, CF8, CF8M, bronze

Pin: stainless steel

Bushing: PTFE, bronze

O-ring: NBR, EPDM