Description
ABZ Valve® Butterfly Valve, Precision Built Resilient Seated Lug Style, Series: 397, 3 in Nominal, 125/150 lb Pressure Class, Lever-Lock Handle Actuator, 6-1/4 in Top to Inlet Center, Ductile Iron Body, 316 Stainless Steel Disc, 416 Stainless Steel (Stem) Stem & Pin, Buna-N Softgoods
Features:
- 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 in
- Top bushing protects the stem from side thrust of operators which are made of impact and corrosion resistant material
- Special double V-shape of stem seal self-adjusts to protect the stem area for either vacuum or pressure use
- 2 to 24 in 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 ANSI 125/150 flanges and gasketing requirements are eliminated
- The seat is a vulcanized design on 2 to 24 in which are rated for full dead end pressure and full vacuum
- Disc edge is individually processed through machining and hand buffing for a smooth edge providing a Bubble tight shut-off and maximum seat life
- The stem to disc engagement on 2 to 24 in is an internally driven design
- Stem and body are isolated from the line media by the interference fit of the primary seal created between the disc and seat
- The 397 series cannot be used on pipe or flange with an ID less than 2-9/16 in
- Buna-N stem packing
Applications:
Industrial, HVAC, Oil Patch, Agricultural Services, Chemical and Abrasion Resistance Applications
Standards/Approval:
- API 609/598
- ASME 16.1/16.34/16.5
- MSS SP67
