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SYLAX™

SYLAX™

SYLAX™

Product catalog summary
Overview: The SYLAX™ Series 149G Butterfly Valves are designed for water supply, HVAC, and general industrial applications. They are available in wafer and lug types, with sizes ranging from 2” to 12”. The valves feature a 10-position lockable handle or a gear box for operation.
Key Features:
  • Body Types: Wafer style with four centering lugs and lug style with drilled and tapped lugs for direct bolting.
  • Coating: Epoxy coating both internally and externally.
  • Maintenance: Interchangeable parts such as discs, shafts, and liners for easy service and reduced maintenance costs.
  • Design: Blow-out proof shaft, spline-driven one-piece shaft, and floating disc design for high torque transmission and self-centering.
  • Seat Design: Tongue and groove seat design for long-term tightness and bidirectional dead-end service (lug style only).
  • Service Life: Extended with upper and lower anti-friction bearings.
  • Mounting: Standard ISO top flange for direct actuator mounting.
Technical Specifications:
  • Materials: Valve body made of Cast Iron ASTM A126 Class GG25, valve disc of Stainless Steel AISI 316 or Ductile Iron GGG40 with Nylon/Epoxy coating, and valve seat of EPDM standard or Buna-N.
  • Shaft: Stainless Steel AISI 420, 316SS with PTFE lubricated plated steel bushings.
  • Pressure Rating: 200 PSI / 16 bar for ANSI 150 Flange.
  • Temperature Rating: EPDM Seat Liner: Min +14°F (-10°C) Max +230°F (+110°C).
Dimensions and Installation:
  • Dimensions are provided for sizes ranging from 2” to 12”, with specific measurements for each size.
  • Installation options include lug type and wafer type, with specific bolt requirements for each size.
Material Specifications:
  • Detailed material specifications are provided for each component of the valve, including body, disc, shaft, liner, and other parts.
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Catalog excerpts

SYLAX™-1

SYLAX ™ SERIES 149G BUTTERFLY VALVES Wafer & Lug Type Butterfly Valve 2” through 12” With 10 position lockable handle (2”-12”) or Gear Box (2”-12”)Applications and features Designed for water supply, HVAC and general industries. • Body types: wafer style with four centering lugs for easy installation. Lug Style with drilled and tapped lugs for direct bolting to pipe flange. • Epoxy coating: internally and externally. • Ease of maintenance: interchangeable parts including discs, shafts, and liners - simplifying service and reduces maintenance costs. • Blow out proof shaft • Spline driven one piece shaft connected to spherically machined disc allows high torque transmission i.e. quick response with minimum back-lash • Floating disc design allows self centering - preventing wear on the liner • Tongue and groove seat design assuring long term tightness, Bidirectional dead end service (lug style only). • Extended service life with upper and lower anti-friction bearings • Standard ISO top flange for direct mounting of actuator • Lockable 10 positions handle (2”-12” standard) or gear operation. Technical features:

 Open the catalog to page 1
SYLAX™-2

*Note: Cast iron body- ductile iron disc - EPDM liner. See other specification sheets for different types of SYLAX™ butterfly valve actuators. Material specification Item

 Open the catalog to page 2
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.