ABZ 396,397 Resilient seated butterfly valve

Manufacturer: ABZ

Molded in Seated Valves for Chemical and Abrasion Resistance Applications. The figures 396,397 provide excellent flexibility with a variety of trim materials. These are available for a wide selection of applications. One-Piece Body. 396 is semi-lug (locating holes-not tapped). 397 is full lug drilled to ANSI 125/150 pound class. Stub shaft design with internal drive (stems removable and replaceable with no special tools). Bonded seat design with either EPDM or Buna-N. Other materials available upon request. Great for dead-end service.Long neck for insulation requirements. Disc made of Nickle plated ductile iron, aluminum bronze, and 316 stainless steel.

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Features Model Document

All bodies are machined to high tolerances for guaranteed dimensions.
Series of snap rings and washers hold the stem, bushing and packing in and acts as a blowout proof engagement on 2" to 24".
Top bushings protects the stem from side thrust of operators. They are made of impact and corrosion resistant materials.
Special double V-shape of stem seal self-adjusts to protect the stem area for either vacuum or pressure use.
2" thru 24" Stem extends through disc and aligns with socket in body. Stem end has standard dimensions for operator interchangeability.
Long neck allows for insulation requirements.
Molded Seat forms a seal against all standard ANSI125/150 flanges. Gasketing requirements are eliminated.
The Seat is a vulcanized design on 2" to 24". These are rated for full dead end pressure and full vacuum. On valves 26" and larger the seat is a phenolic backed design.
The stem to disc engagement on 2" to 24" is an internally driven design. On valves 26" and larger the stem to disc engagement is by taper pins.
Stem and body are isolated from the line media by the interference fit of the primary seal created between the disc and seat.
Disc edge is individually processed through machining for a mooth edge, providing a bubble tight shut-off and maximum seat life.

Mfr. Part No.	Description

ABZ 396,397 Resilient seated butterfly valve

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