S200-0504
401 S. Highland Avenue
Aurora, IL 60506
Phone: 877-436-7977
Fax: 630-844-4124
www.henrypratt.com
Rubber Seated
Butterfly Valve
Series 100/200
Construction Specifications:
Sizes:
Body:
Disc:
2" through 48"
Cast Iron 鈥?Wafer or Lug*
Ductile Iron
Epoxy Coated Stainless Steel
Aluminum Bronze
Stainless Steel
EPDM
BUNA-N
Viton
Lever
Electric
Stem:
Resilient Seat:
Actuation Options:
Pressure Ratings:
Worm Gear
Pneumatic
2"-12" 鈥?175 psi
14" and larger 鈥?150 psi
*for installation between ANSI Class 125 flanges
Features:
s
All cast body machined to high tolerances. Guaranteed
standard dimensions for interchangeability of parts and
actuators.
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Shaft bushings are impact and corrosion resistant
materials. Protects the shaft from side thrust of actuators.
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Special double-V-shape of stem seal self-adjusts to protect
the stem area for either vacuum or pressure use.
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Stem and body are isolated from line media by seal
created between disc flats and flat surface of seat.
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The special snap-in Resil-O-Seat design fixes seat in
place without bonding. The Resil-O-Seat is 100% field
replaceable 鈥?no tools required.
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Molded O-ring in the Resil-O-Seat forms a seal against all
standard flanges. Gasketing requirements are eliminated.
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Disc edge is machined and buffed, providing a bubble tight
shutoff and maximum seat life.
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All valves are factory tested at their rated pressure.
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