Sure Seal Butterfly Valves

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Sure Seal Butterfly ValvesArm-Tex carries the full line of Sure Seal butterfly valves including resilient seated and fire safe butterfly valves. The Sure Seal butterfly valve is the superior resilient-seated butterfly valve for industrial applications on the market today.

Sure Seal Butterfly Valve Specifications:

  • The stem is machined from 17-4 stainless steel to eliminate twisting.
  • Two patented O ring-seals give a sure secondary seal as the O-seal becomes part of the body and encircles the stem before entering the seat and disc area. 
  • Top plate is machined to standardized drilling pattern allowing manual handle kits, and actuation, interchangeability also available in ISO patterns.
  • Stem brushing composed of full strength, corrosion resistant ertalyte – absorb operator side thrust.
  • A third stem seal ensures absolute seal externally or internally for vacuum or pressure service.
  • Flange seal provides an absolute seal to all flanges within specifications.
  • Seats feature EPDM, Viton® and Sure Seal's special abrasion resistant formulated blend of FDA approved Nitrile and 12 other standard compounds.
  • Hub and seat seals prevent product from attacking stem or body.
  • Lug-style body has drilled and tapped lugs which meet ANSI 125 and 150 flange standards.
  • Sure Lock disc screw assembly manufactured from 316 stainless steel - disc is machined to precision tolerance, allowing Sure Lock to be recessed in the face of the disc for extra locking ability.
  • Precision machined and hand polished disc for positive seal with contoured edges for lower operating torque.

To learn more about Sure Seal butterfly valves, contact Arm-Tex today!