2 1/2 909RPDA-DOSY-GPM

Item Number: 0389335
1 1
$17,505.69
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Size: 2 1/2 inch
  • Weight: 250.0 lb
  • Body Material: Cast Iron
  • Coating: ArmorTek® Advanced Epoxy System
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F – 140°F
  • Includes: Gallons Per Minute (GPM) Meter
  • Approvals: UL Listed, FM Approved, AWWA, ASSE, CSA
  • Protects against backsiphonage and backpressure

Description

The Watts 2 1/2 inch 909RPDA Reduced Pressure Detector Assembly prevents backflow in health hazard applications, safeguarding potable water supplies from fire protection system substances. This backflow preventer features a durable ArmorTek® epoxy-coated cast iron body and domestic OSY resilient seated gate valves. It incorporates a patented air-in/water-out relief valve design for maximum emergency capacity and includes a GPM meter to detect leaks and unauthorized water use. Approved by UL, FM, AWWA, ASSE, and CSA, it offers reliable protection for continuous pressure piping. Item number 0389335.
View full details

Additional Details

The Watts 2 1/2 inch 909RPDA Reduced Pressure Detector Assembly is designed for health hazard applications, protecting potable water from reverse flow of fire protection system substances due to backsiphonage or backpressure. This assembly is ideal for continuous pressure piping applications and cross-connections identified as health hazards.

Construction & Design

  • Features an epoxy coated cast iron body for durability and corrosion resistance.
  • Incorporates a patented air-in/water-out principle relief valve for maximum capacity during emergency conditions.
  • Equipped with domestic OSY resilient seated gate valves and captured spring check valves.
  • Includes a GPM meter for detecting underground leaks and unauthorized water use.
  • ArmorTek® coating technology, a patented 3-part advanced epoxy system, protects internal and external surfaces against microbial induced corrosion (MIC) and exposed metal substrate corrosion.
  • Designed for simple maintenance with replaceable seats and no special tools required.

Primary Use

  • Protects potable water supplies from fire protection system substances.
  • Suitable for health hazard applications and cross-connections.
  • Maintains protection in continuous pressure piping applications.

Specifications

General

  • Product Type: Reduced Pressure Detector Assembly Backflow Preventer
  • Series: 909RPDA
  • Size: 2 1/2 inch
  • Body Material: Cast Iron
  • Coating: ArmorTek® powder coating, 3-part advanced epoxy system
  • Valve Type: Domestic OSY Resilient Seated Gate Valves
  • Check Valves: Captured Spring Check Valves
  • Relief Valve: Pressure Differential Air-in/Water-out
  • Flow Meter: Gallons Per Minute (GPM) Meter
  • Seat Material: Stainless Steel
  • Disc Material: Rubber
  • Trim Material: Stainless Steel
  • Test Cocks Material: Bronze

Performance

  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Temperature Range: 33°F – 140°F (0.5°C – 60°C) continuous
  • Design Principle: Patented air-in/water-out

Certificates & Approvals

  • AWWA C511-92
  • ASSE 1047
  • UL Listed
  • FM Approved
  • CSA B64

Dimensions & Weight

  • Dimension A: 41 1/4 inch (1070 mm)
  • Dimension B: 18 1/2 inch (470 mm)
  • Dimension C: 18 1/2 inch (470 mm)
  • Dimension D: 5 1/4 inch (133 mm)
  • Dimension D1: 4 1/4 inch (108 mm)
  • Dimension E: 12 inch (305 mm)
  • Dimension E1: 12 inch (305 mm)
  • Dimension G: 7 inch (178 mm)
  • Dimension L: 26 1/4 inch (664 mm)
  • Dimension R: 14 inch (356 mm)
  • Dimension T: 9 inch (229 mm)
  • Dimension T1: 10 inch (254 mm)
  • Weight: 230 lbs (104 kg)

FAQs

What is the primary use of the Watts 909RPDA 2 1/2 inch backflow preventer?

Its primary use is to protect potable water supplies from contamination caused by the reverse flow of substances from fire protection systems, particularly in health hazard and continuous pressure piping applications.

What material is the body of this backflow preventer made from?

The body is constructed from durable cast iron, which is further protected by a patented 3-part advanced ArmorTek® epoxy coating system.

Does this backflow preventer include a flow meter?

Yes, it is equipped with a Gallons Per Minute (GPM) meter designed to detect underground leaks and unauthorized water usage.

What is the maximum working pressure for this 2 1/2 inch assembly?

The maximum continuous working pressure for the Watts 909RPDA 2 1/2 inch backflow preventer is 175 psi (12.1 bar).

What certifications and approvals does this model hold?

This assembly is UL Listed and FM Approved, and it meets the requirements of AWWA C511-92, ASSE 1047, and CSA B64 standards.

Related Products

1 5