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DFT ALC® Wafer Check Valves

DFT ALC® Wafer Check Valves

PRODUCT DESCRIPTION

The ALC® is an in-line, spring assisted, single guided "wafer" check valve designed to prevent "water hammer" and "reverse" flow. The lightweight compact design fits between mating flanges and meets API 594 Face-to-Face dimensions. The ALC® is an easy to maintain check valve for applications involving liquids, gases or steam. Tapped holes are provided in the body for lifting lugs to assist with installation. (10" & larger only)

FEATURES AND BENEFITS

  • API 594 Face-to-Face dimensions
  • RF Wafer ends
  • Spring-assisted silent closing
  • Sizes 2” thru 24”
  • Horizontal or vertical installation
  • ASME Class 150 and 300
  • Standard body materials:
    • A216 Grade WCB carbon steel
    • A351 CF8M stainless steel
  • Stainless steel seat, disc & bushing
  • Nitronic® 60 stem
  • Inconel® X-750 Spring
  • Seat Leakage per MSS SP-61
  • Tapped holes in body for lifting lugs (10” size and larger)
  • Axial flow
  • Nozzle style
  • Options:
    • 316 SS spring
    • Custom sizing - low flow
    • Soft seat
    • NACE (See page 43)
    • Tapped lug design available (Consult DFT for availability)

ABOUT THE MANUFACTURER

DFT®, formerly known as Durabla® Fluid Technology, has been making in-line check valves and severe service control valves for over 70 years. It started with a customer’s need for a small metal-seated check valve that could be installed in any position while providing tight shut-off. The Basic-Check® valve was developed to satisfy that need. Over the following decades, other customers’ needs led to the development of the ALC®, BNC®, DLC®, DSV®, Excalibur®, FBC™, GLC®, GPV™, PDC®, SCV® , TLW® and WLC® styles of in-line silent axial flow check valves. Each of these DFT® in-line check valves addresses the particular needs of today’s customer.

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