3 3000SS-OSY-TS-CFM

Item Number: 88003143
1 1
$9,255.00
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Nominal Size: 3 inch
  • Weight: 262.0 lb
  • Maximum Operating Pressure: 175 psi
  • Stainless Steel Body: Corrosion resistant and lightweight
  • Integrated Supervisory Switch: UL Certified, Safety Signaling (Control No. 3L38)
  • Cam-Check Valve: Provides low head loss
  • Meter Type: Cubic feet per minute (CFM)
  • Installation: Horizontal or vertical "flow up" position
  • Approvals: ASSE 1048, UL Classified, FM Approved

Description

The 3-inch AMES 3000SS Double Check Detector Backflow Preventer Assembly is designed to protect potable water supplies from contamination by non-health hazard fire protection system substances. This assembly features a durable, lightweight 300 Series stainless steel body, captured spring cam-check valves for low head loss, and OS&Y gate valves with an integrated, UL Certified supervisory switch. It includes a cubic feet per minute (CFM) meter to detect leaks and unauthorized water usage. Approved for horizontal or vertical "flow up" installations, this compact unit offers easy maintenance with a single top access cover. Maximum working pressure is 175 psi.

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Application & Compatibility

  • This assembly is designed for installation on fire protection systems when connected to a drinking water supply.
  • It is suitable for cross-connections identified as non-health hazards, preventing reverse flow of fire protection substances into the potable water supply.
  • Features OS&Y resilient seated gate valves for connection.
  • Can be installed in either a horizontal or vertical "flow up" position.
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Additional Details

This 3 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection system substances and non-potable water into the potable water supply. It is ideal for cross-connections identified as non-health hazards, protecting against backsiphonage or backpressure.

Features

  • Stainless steel body provides long term corrosion protection, maximum strength, and is half the weight of competitive designs, reducing installation and shipping costs.
  • Cam-Check Assembly valve provides low head loss.
  • Integrated supervisory switch (UL Certified, Safety Signaling, Control No. 3L38) sounds when the switch is removed from the gate valve or when the valve is closing.
  • Includes a cubic feet per minute (CFM) meter to detect underground leaks and unauthorized water use.
  • Compact construction and short lay length are ideal for retrofit installations, allowing for smaller vaults and enclosures.
  • Single top access cover with two-bolt grooved style coupling for ease of maintenance, with no special tools required for servicing.
  • Can be installed in horizontal or vertical "flow up" position.

A WARNING: It is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Consult your local water authority, building and plumbing codes before installation.

Specifications

  • Nominal Size: 3 inch
  • Maximum Working Pressure: 175 psi (12 bar)
  • Temperature Range: 33°F – 110°F (0.5°C – 43°C)
  • Lay Length (A): 38 inches (965 mm)
  • Net Weight (With Gates): 235 lb (106 kg)
  • Meter Type: Cubic feet per minute (CFM)

Materials

  • Main Valve Body: 300 Series stainless steel
  • Internal Metal Parts: 300 Series stainless steel
  • Check Assembly: Noryl® (Flange dimension in accordance with AWWA Class D)
  • Check Valve Seats: Molded thermoplastic

Connections & Operation

  • Valve Type: Outside Stem and Yoke (OS&Y) resilient seated gate valves
  • Supervisory Switch: Integrated (UL Certified, Safety Signaling, Control No. 3L38)
  • Check Valve Type: Captured spring, Cam-Check
  • Test Cocks: Four
  • Installation Position: Horizontal or Vertical "flow up"

Certificates & Approvals

  • ASSE: 1048
  • AWWA: C510-92
  • CSA: B64.5
  • UL: 1469
  • UL Classified: Yes (OSY only)
  • FM Approved: Yes (2½" – 10", OSY only)
  • USC Foundation for Cross-Connection Control and Hydraulic Research: Yes

FAQs

What is the primary purpose of this backflow preventer?

This double check detector backflow preventer is designed to prevent the reverse flow of non-potable water, such as fire protection system substances, into the potable drinking water supply. It protects against non-health hazards due to backsiphonage or backpressure in accordance with national plumbing codes.

What does the integrated supervisory switch do?

The integrated supervisory switch (UL Certified, Safety Signaling, Control No. 3L38) on the OS&Y gate valves sounds an alarm when the switch is removed from the gate valve or when the valve is being closed, providing tamper detection and safety signaling.

What type of meter is included with this assembly?

This assembly is furnished with a cubic feet per minute (CFM) meter. This meter is used to detect underground leaks and unauthorized water use within the fire protection system.

Can this backflow preventer be installed in any orientation?

Yes, the 3000SS Double Check Detector Assembly can be installed in either a horizontal or a vertical "flow up" position, offering flexibility for various installation requirements.

What materials are used in the construction of this backflow preventer?

The main valve body and internal metal parts are constructed from 300 Series stainless steel, providing long-term corrosion protection and maximum strength. The check assembly uses Noryl®, and check valve seats are molded thermoplastic.