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Allis-Chalmers or Streamseal® Butterfly Valve

Aftermarket Service

Aftermarket Service is available for the Allis-Chalmers or Streamseal® Butterfly Valve. We have been providing maintenance and refurbishment services 1990.

For valve replacement, we now offer the EKN® Double Eccentric Butterfly Valve.

Click the link to learn more: EKN® Double Eccentric Butterfly Valve

Find your sales contact

To find contacts in Canada, please use our Canada contact list
To find contacts in other countries, please use our international contact list

General information

Product features and benefits

  • Rugged and corrosion resistant
  • Domed disc design for low headloss
  • Resilient to stainless steel lock-in seating
  • Two-way, field adjustable thrust bearing
  • AWWA C504 and C516 compliant
  • Flow-through and low-profile disc designs available
  • Full rubber coating available for corrosive applications
  • Available in sizes 24”-168”
  • Manual, electric, or hydraulic actuation


  • Body, Cover: Cast Iron, ASTM A126 Class B
  • Disc: Ductile Iron, ASTM A536, Grade 65-45-12
  • Shaft: Stainless Steel
  • Shaft Seal: Bronze with Teflon Packing
  • O-Ring: Buna-N
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9025 Marshall Road
Cranberry Township, PA 16066
United States
+1 724-776-1020 +1 724-776-1254 Write e-mail