12 4000SS-DNRS-FS

Item Number: F0691828
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$57,486.75
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Flood sensor with SentryPlus Alert technology
  • Weight: 1286.0 lb
  • Integrates with Sensor Control Monitor for alerts
  • Stainless steel body: Half the weight of competitive designs
  • Domestic non-rising stem gate valves
  • Cam-check assembly for maximum flow, low pressure drop
  • Top mounted test cocks
  • Compact construction for smaller enclosures
  • Stainless steel relief valve for lower maintenance costs

Description

This 12 inch stainless steel reduced pressure zone backflow preventer assembly with domestic non-rising stem shutoffs and cam-check valves prevents contaminated water from entering the potable water supply due to backsiphonage or backpressure, ideal for health hazard applications. Key features include a flood sensor with SentryPlus Alert technology for detecting continuous relief valve discharge. It can integrate with a Sensor Control Monitor for maintenance alerts via BAS (RS-485 Modbus) or the Nexa platform (Wi-Fi). The stainless steel body reduces weight, simplifying installation and shipping. Item number F0691828.

Help Me Connect

This backflow assembly includes a flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.

When paired with an add-on connection kit, the sensor is activated to relay alerts for potential flooding events. Connection kit options include BMS, cellular communication, and the Sensor Control Monitor.

The Sensor Control Monitor enables integration with Building Automation Systems (BAS) via RS-485 Modbus or the Nexa platform through Wi-Fi for maintenance and alert streaming.

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Additional Details

This 12 inch stainless steel reduced pressure zone backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and/or backpressure. It is ideal for protection at cross-connections identified as health hazard applications and from other contaminants found at the service line entrance.

Key Features

  • Equipped with a flood sensor with SentryPlus Alert technology to detect continuous discharge from the relief valve.
  • Supports integration with a Sensor Control Monitor to deliver maintenance alerts to BAS via RS-485 Modbus or the Nexa platform by Wi-Fi connectivity.
  • Stainless steel body is half the weight of competitive designs, reducing installation and shipping costs.
  • Features domestic non-rising stem gate valves.
  • Includes a cam-check assembly that provides maximum flow at low pressure drop.
  • Top mounted test cocks for easy maintenance.
  • Compact construction designed for smaller enclosures.
  • Stainless steel relief valve with a balanced rolling diaphragm to eliminate sliding seals and lower maintenance costs.

Construction Details

  • Consists of a lightweight stainless steel body, domestic non-rising stem resilient seated gate valves, spring loaded cam-check valves, a pressure differential relief valve, and test cocks.
  • Designed with a compact and short lay length with a single access cover.

Specifications

General

  • Backflow Preventer Type: Reduced Pressure Zone (RPZ)
  • Size: 12 inch
  • Body Material: Stainless Steel
  • Shutoff Valves: Domestic Non-Rising Stem (NRS) Gate Valves
  • Check Valve Type: Spring Loaded Cam-Check
  • Relief Valve: Stainless Steel with Balanced Rolling Diaphragm
  • Sensor Technology: SentryPlus Alert Flood Sensor
  • Test Cocks: Top Mounted
  • Access: Single Access Cover
  • Design: Compact, Short Lay Length

FAQs

What is the primary function of this backflow preventer?

This 12 inch reduced pressure zone backflow preventer is designed to prevent the reverse flow of contaminated non-potable water into the potable water supply caused by backsiphonage or backpressure. It is ideal for health hazard cross-connections.

What is SentryPlus Alert technology?

SentryPlus Alert technology refers to the integrated flood sensor within the backflow assembly. It detects continuous discharge from the relief valve, signaling potential flooding events.

How does this backflow preventer provide maintenance alerts?

The backflow preventer integrates with a Sensor Control Monitor, which can transmit maintenance alerts to a Building Automation System (BAS) via RS-485 Modbus or to the Nexa platform through Wi-Fi connectivity.

What type of shutoff valves are included with this assembly?

This assembly features domestic non-rising stem (NRS) resilient seated gate valves for both the inlet and outlet shutoffs.

What material is the body made from and what are its benefits?

The body is constructed from lightweight stainless steel. This material choice makes the assembly half the weight of competitive designs, which helps to reduce installation and shipping costs.

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