SYLAX
®
Installation Instructions
2” thru 12”
Flomatic Corporation
High Quality Valves Built to Last...
Flomatic Corp, 15 Pruyn’s Island, Glens Falls, New York 12801
Phone: 518-761-9797 Fax: 518-761-9798 www.flomatic.com
SYLAX
Rev: A (2/17)
Description:
The
Sylax
®
butterfly valve is a resilient-seated valve designed for many general industrial service
applications including commercial, irrigation and municipal usage. The butterfly valve is composed of body, shaft,
disc, seat, bushing, shaft bearings, manual operator, etc. The manual operator drives the shaft and disc to
open/close the valve and control the flow.
Manufactured in lugged or wafer style cast iron body, the Stainless Steel or Nylon coated Ductile Iron disc and
EPDM liner are standard materials. We also offer NBR and Viton liners (consult factory for availability). The
standard valve ratings are listed below:
Standards / Ratings:
Nominal Diameters
2” (50mm) THRU 12” (300mm)
Max Working Temperature
230º F (110º C)
Max Pressure
200 psi (14 bar)
Flanges Rating
ANSI 125 (B16.1)
Top Mounting
ISO 5211
The product complies with the requirements of BS5155: 1984 (butterfly valves).
Low Lead Certified according to NSF/ANSI 372
OPTIONAL OPERATED METHODS:
Lever operated: depress the lever and turn it clockwise or counter-clockwise up to 90º then release the
lever. (There are 10 locking positions between and including 0º and 90º)
Gear operated: turn the hand wheel to drive the disc to the closed position and control the flow. To close
the valve turn the hand wheel clockwise.
Actuator
operated
FEATURES:
Small in size and light in weight. Easy installation and maintenance, versatile installation.
Simple and compact construction. Quick 90º on-off operation.
Minimized operating torque, energy saving.
Bubble-tight shut off.
Wide selection of materials, applicable for various media.
Flow curve modified linear, excellent regulation performance.
Extended service, high cycle life.
The pipeline installed with gate valve, plug valve, rubber pipe valve or diaphragm valve etc. can be
replaced by a butterfly valve and a short joint (spool piece), details as per the sketch.
