Specialists in Valves, Automation and Controls, Process Piping, Steam and Piping Specialties
Search Catalog
 All Categories    Velan Memoryseal® Ball Valves
As the premier distributor of industrial valves, valve automation services and related piping and steam specialties in our region, we attribute our success to quality products, knowledgeable people, and service second to none. Erdmann has a wide variety of high-quality, high-tech products to meet your requirements. We back these products with knowledgeable, experienced, service-oriented people and we will provide timely and accurate responses to your needs.
All Categories > Products by Manufacturer > Velan Valves > Velan Memoryseal® Ball Valves  

Velan Memoryseal® Ball Valves

Click on a Product to view details.


Cast Split-Body Flanged Metal Seated Ball Valves

  • Off-center split-body design allows the use of advanced spiral-wound gaskets.
  • Maximum temperature for CF8M 1,000°F (538°C), forWCB800°F(426°C).
  • Full port ensures large capacity and reduces the risk of clogging when handling solids or slurries.
  • Wall thickness complies with ASME B16.34 and BS 5351 for 2-12" ASME 150 and 300 full port only.
  • Stem bearing reduces side thrust effect on packing and prevents stem wobbling.
  • Integral seat locking option does not require additional parts or special tools.
  • Scraper seats standard.
  • Ball and seats lapped for optimum performance and tight shutoff.
  • Low emission stem seal.
  • Blowout-proof stem.
  • Two-piece flanged gland. ...

Unibody Regular Port Flanged Ball Valves

  • Exclusive Memoryseal™ seats compensate automatically for wear and fluctuations of pressure and temperature.
  • Unique 4-Way and 3-Way packing arrangements for superior stem sealing (refer to page 7 for details).
  • TA-Luft certified.
  • Multiple solid cup and cone type PTFE stem seal and graphite packing.
  • Stem guides prevent side thrust.
  • Long cycle life
  • Low, uniform torques.
  • Blowout-proof stem.
  • Fully enclosed PTFE body seal.
  • Metal-to-metal contact between insert and body act as secondary seal and prevents overcompression of the seats.
  • Pipe flange gasket acts as third precautionary seal as threads from the insert are within the raised face ...

Type T In-Line Repairable Metal Seated Ball Valves

  • Permits in-line access for seat replacement.
  • Can be welded into line without disassembly. Consult IOM manual for details.
  • Full port reduces risk of clogging in slurries and solids applications.
  • Body-cover joint not affected by pipe stresses.
  • High sealing integrity of body-cover joint due to fully-enclosed spiral-wound stainless steel graphite gasket design.
  • Solid Stellite 6 seats with large seating faces.
  • Backup seal: Graphite to 1,000°F (538°C).
  • Operation automatically wipes ball clean.
  • Wall thickness complies with ASME B16.34.
  • Stainless steel ball, hard chrome plated.
  • Stainless steel blowout-proof stem.
  • Low emission stem seal.
  • Live-loaded ...