P: 317-636-1111 | F: 317-636-5467 | E: sales@bbcpump.com |

BBC Pump and Equipment Company, Inc.

  • Home
  • Markets
    • Commercial
    • Fire Protection
    • Industrial & Process
    • Municipal Water & Waste Water
  • Products
    • Pumps
    • Pump Packages
    • Boilers
      • Hot Water Boiler
      • Steam Boiler
    • Burners
    • Sealing Technologies
      • Gasket
      • Mechanical Seals
      • Packing
      • Polymer Seals
      • Seal Support
      • SpiralTrac
    • Controls and Monitors
      • Pump Control
      • Boiler Control
    • Pump Accessories and Valves
      • Basins and Accessories
      • Fire Protection Accessories
      • Fittings
      • Pump Controls
      • Valves
    • Air & Sediment Separators
    • Tanks
    • Heat Exchangers
    • Steam Specialties
      • Steam Trap
      • Regulator Valve
    • Composite Coating
      • Concrete Coatings
      • Metal Coatings
    • Maintenance Specialties
      • Barrier Fluid
      • Corrosion Control
      • Lubricant
      • Lubrication Dispensers
      • Metal Working Fluid
      • Solvents & Degreasers
    • Motors
    • Water Heaters
  • Manufacturers
    • Pumps
      • Aurora
      • Brinkmann Pumps
      • CIPC Pitbull
      • Cornell
      • Ebara
      • Fairbanks Nijhuis
      • Grundfos
      • Gusher
      • Hidrostal
      • Hydra-Cell
      • Hydroflo
      • Hydromatic
      • Knoll
      • Pentair Aurora Layne Verti-Line
      • MP Pumps
      • PACO
      • QuantumFlo
      • Peerless
      • Taco
      • Tsurumi Pump
    • Boilers
      • Aldrich
      • Riello
      • Sellers Manufacturing
      • Unilux
    • Burners
      • Riello
    • Mechanical Seals
      • Chesterton
    • Accessories and Valves
      • AK Industries
      • American Wheatley
      • Conery
      • Chesterton
      • Guardian Fire Equipment
      • Sterling / Sterlco
      • Taco
      • USF Fabrication
      • Watson McDaniel
      • Watts Water Technologies
      • Wessels
      • Zurn Wilkins
    • Controls
      • Digital Control Company
      • Omni-Site
      • Sigma Controls
      • Square D by Schneider Electric
      • USEMCO
      • Thermodynamic Process Control
      • Wastewater Level
    • Motors
      • Baldor
  • Service
  • Company
    • Careers
    • Staff
  • Contact
Home / Products / LF757DCDA, LF757NDCDA Double Check Detector Assembly
Watts Water Technologies Logo
757DCDA stainless steel double check valve assembly

LF757DCDA, LF757NDCDA Stainless Steel Double Check Detector Assembly

Technical Data | Related Products

Manufactured by: Watts Water Technologies
Model: LF757DCDA, LF757NDCDA

Series LF757DCDA, LF757NDCDA Double Check Detector Assemblies are used to prevent backflow of non-health hazard pollutants that are objectionable but not toxic, from entering the potable water supply system.

The LF757DCDA, LF757NDCDA may be installed under continuous pressure service and may be subjected to backpressure and backsiphonage.

Series LF757DCDA, LF757NDCDA is used primarily on fire line sprinkler systems when it isnecessary to monitor unauthorized use of water.

Available Models (suffix)
  • OSY – UL/FM outside stem and yoke resilient seated gate valves
  • BFG – UL/FM grooved gear operated butterfly valves with tamper switch
  • OSY FxG – Flanged inlet gate connection and grooved outlet
    gate connection
  • OSY GxF – Grooved inlet gate connection and flanged outlet
    gate connection
  • OSY GxG – Grooved inlet gate connection and grooved outlet
    gate connection

Additional Information

Ask a Question

  • This field is for validation purposes and should be left unchanged.

* Required Field
** Territory restrictions apply for most products.

Technical Data

Fire Protection Certifications:
UL Listed, FM Approved, NFPA 20 Compliant

Available Materials:
Stainless Steel

Available Sizes:
2-1/2in, 3in, 4in, 5in, 6in, 8in, 10in

Connection Types:
Flanged

See product datasheet for additional details

Features
  • Lead Free* construction
  • Extremely compact design
  • 70% lighter than traditional designs
  • 304 (Schedule 40) stainless steel housing & sleeve
  • Groove fittings allow integral pipeline adjustment
  • Unique tri-link spring check provides lowest pressure loss
  • Unmatched ease of serviceability
  • Available with grooved butterfly valve shutoffs
  • May be used for horizontal, vertical or N pattern installations
  • Replaceable check disc rubber
Certifications
  • ASSE 1048
  • CSA B64.5
  • FM
  • UL

BBC Pump and Equipment Co.

777 North Tibbs Avenue
Indianapolis, IN 46222

P: 317-636-1111
F: 317-636-5467
sales@bbcpump.com
service@bbcpump.com

M-F, 8:00 AM - 5:00 PM

Indiana’s Pump Experts Since 1981

Our mission is to provide customer oriented service through the proper application of quality pump equipment.

BBC Pump and Equipment Company supplies superior pumps, equipment and systems; designed, installed and serviced by the best engineers and technicians in Indiana.

Search BBCPump.com

Copyright © 2023 BBC Pump and Equipment Company, Inc. · Log in