4 C500Z-BFG-C-FS
Item Number: F0191470Brand - Ames
Couldn't load pickup availability
- 4 inch Reduced Pressure Detector Backflow Preventer
- Weight: 166.0 lb
- Z Pattern, Horizontal installation approved
- 304 (Schedule 40) Stainless Steel Housing & Sleeve
- Grooved Gear Operated Butterfly Shutoffs with Tamper Switch
- SentryPlus Alert® Flood Sensor Technology
- Cubic Feet Per Minute (CFM) Meter for leak detection
- Maximum Operating Pressure: 175 psi
- Temperature Range: 33°F - 140°F
Description
Description
Help Me Connect
Help Me Connect
Connections & Compatibility
- This 4 inch backflow preventer assembly features grooved gear operated butterfly valves with tamper switches on both the inlet and outlet, allowing for straightforward installation and pipe alignment.
- The integrated flood sensor with SentryPlus Alert® technology requires an add-on sensor connection kit to activate flood monitoring capabilities and relay alerts. Connection kit options include BMS, cellular communication, and the Sensor Control Monitor which enables integration with BAS via RS-485 Modbus or the Nexa® platform through Wi-Fi.

Collapsible content
Additional Details
The Colt™ 4 inch reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and non-potable water into the potable water supply due to backsiphonage and backpressure.
This compact, modular assembly is approved for horizontal Z pattern installation and is specifically designed for fire protection systems and other health-hazard non-potable service applications.
Features
- Flood sensor with SentryPlus Alert® technology to detect continuous discharge from the relief valve.
- Add-on sensor connection kit required to activate flood monitoring and relay alerts for potential flooding events.
- Entire valve body and closure sleeve manufactured from 304 (Schedule 40) stainless steel.
- Designed for horizontal Z pattern installation.
- Furnished with a cubic feet per minute meter to detect underground leaks and unauthorized water use.
- Grooved gear operated butterfly valves with tamper switch for secure shutoff.
- Bronze body nickel plated test cocks for easy testing.
- Bottom-mounted corrosive resistant cast stainless steel relief valve.
- Extremely compact design and 70% lighter than traditional designs.
- Patented link check for lowest pressure loss.
- Unmatched ease of serviceability with replaceable check disc rubber.
A WARNING: It is illegal to use this product in a plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Consult local water authority, building, and plumbing codes before installation.
Specifications
- Product Type: Reduced Pressure Detector Backflow Preventer
- Nominal Size: 4 inch
- Configuration: Z Pattern, Horizontal
- Housing Material: 304 (Schedule 40) Stainless Steel
- Sleeve Material: 304 (Schedule 40) Stainless Steel
- Shutoff Valves: Grooved Gear Operated Butterfly Valves with Tamper Switch (BFG model)
- Link Checks: Noryl®, Stainless Steel with Reversible Elastomer Discs
- Check Discs: Reversible Silicone or EPDM
- Test Cocks: Lead Free* Bronze Body, Nickel Plated
- Pins & Fasteners: 300 Series Stainless Steel
- Springs: Stainless Steel
- Relief Valve: Bottom-mounted Cast Stainless Steel
- Bypass Meter: Cubic Feet Per Minute (CFM)
- Flood Sensor: SentryPlus Alert® Technology (requires add-on connection kit for activation)
- Temperature Range: 33°F - 140°F (0.5°C - 60°C)
- Maximum Working Pressure: 175 psi (12.1 bar)
- Weight (C500BFG): 101 lb (46 kg)
Certificates & Approvals
- Approved by Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
- AWWA C511-97
- ASSE 1047
- CSA B64.4
- UL Classified (BFG Only)
- FM Approved (BFG Only)
FAQs
What is the primary purpose of the Colt C500 Reduced Pressure Detector Assembly?
Does this backflow preventer include a flood sensor?
What type of connections does this 4 inch C500 model use?
What materials are used in the construction of this backflow preventer?
What are the approved installation configurations for this specific model?
Related Products
-
Item Number: 7019628
Ames® 2 1/2" –10" 400/500 Lead Free Air Gap Drain Fitting w/ Splash Guard
Regular price $253.88On Order