994BLT

Item Number: 0437815
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$8,071.50
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Type: Portable Hydrant Backflow Preventer
  • Weight: 122.0 lb
  • Body Material: 304 Stainless Steel
  • Inlet Connection: 2 1/2 inch FNPT / 3 inch MNPT
  • Outlet Connection: 2 1/2 inch FMNPT / 3 inch MNPT
  • Flow Capacity: Over 500 gpm
  • Pressure Loss: Less than 14 psi
  • Features: Built-in adjustable support leg
  • Maintenance: Minimal, no special tools required

Description

The Watts 994BLT Portable Hydrant Backflow Preventer is designed for protecting potable water systems from cross-contamination at fire hydrants and other non-permanent installations. Constructed with a corrosion-resistant 304 stainless steel body, it ensures long-term field dependability. This unit features dual 2 1/2 inch FNPT / 3 inch MNPT inlet and 2 1/2 inch FMNPT / 3 inch MNPT outlet thread connections, offering versatile hook-up options. It boasts a large flow capacity of over 500 gpm with minimal pressure loss and includes an adjustable support leg. The 994BLT is factory assembled, tested, and requires minimal maintenance, making it ideal for client's existing hydrant meter hookups. Item number 0437815.

Help Me Connect

Connections Overview

The Watts 994BLT Portable Hydrant Backflow Preventer comes with versatile dual thread connections on both the inlet and outlet. The standard inlet features 2 1/2 inch FNPT / 3 inch MNPT threads, while the standard outlet provides 2 1/2 inch FMNPT / 3 inch MNPT threads, allowing for a variety of hook-up alternatives.

Optional Inlet Modules

  • 3 inch female hydrant thread
  • 3 inch male hydrant thread
  • 2 1/2 inch female hydrant thread
  • 2 1/2 inch male hydrant thread
  • 2 1/2 inch male NPT thread

Optional Outlet Modules

  • 3 inch gate with female hose thread
  • 3 inch gate with male hose thread
  • 2 1/2 inch gate with female hose thread
  • 2 1/2 inch gate with male hose thread
  • 3 inch gate valve only, 3 inch INPT thread
  • 2 1/2 inch gate valve only, 2 1/2 inch FNPT thread

Foot Module Options

  • Uneven surface saddle (supplied standard with unit)
  • Flat surface adapter
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Additional Details

This Watts 994BLT Portable Hydrant Backflow Preventer is designed to protect potable water systems from cross-contamination at fire hydrants and other non-permanent installations where flow is in one direction only.

It prevents the reverse backflow of fire protection substances and non-potable water into the potable water supply due to backsiphonage or backpressure, ensuring compliance with national plumbing codes and water authority requirements.

Construction & Features

  • Features a corrosion-resistant 304 stainless steel body for long-life dependability.
  • Equipped with dual thread connections on both the inlet and outlet, offering versatile connection alternatives.
  • Includes a built-in adjustable support leg that can be configured in the field for various installations, eliminating the need for wood bracing or direct ground contact.
  • Designed for large flow capacity, rated at over 500 gpm with less than 14 psi pressure loss, meeting ASSE, USC, and AWWA standards for Reduced Pressure Zone Assemblies.
  • Comes factory assembled and tested, ensuring proper function without requiring field assembly, thereby preventing leaks, fouls, and improper installation.
  • Torsion spring check valves provide maximum flow at a low pressure drop.
  • Portable and lightweight design allows for easy transport between job sites.

Maintenance

  • Designed for long-term service with minimal maintenance requirements.
  • Servicing can be performed easily at the hydrant or other convenient locations without requiring special tools.

Specifications

  • Product Type: Portable Hydrant Backflow Preventer
  • Model: 994BLT
  • Body Material: 304 Stainless Steel
  • Inlet Connection: 2 1/2 inch FNPT / 3 inch MNPT
  • Outlet Connection: 2 1/2 inch FMNPT / 3 inch MNPT
  • Check Assemblies Material: Engineered Plastic, Stainless Steel
  • Relief Valve Assembly Material: Engineered Plastic, Stainless Steel
  • Lid Coupler Material: DI/CI (Ductile Iron/Cast Iron)
  • Maximum Flow Capacity: Over 500 gpm
  • Pressure Loss: Less than 14 psi (96.5 kPa) at over 500 gpm
  • Approximate Length: 20 1/8 inches (511 mm)
  • Approximate Height: 9 3/16 inches (233 mm)
  • Features: Built-in adjustable support leg, Torsion spring check valves, Top access cover, Bottom mounted relief valve

Certificates & Approvals

  • Approvals: Meets design requirements of most national standards (ASSE, USC, AWWA).
  • Certifications: No national approvals available (due to portability).

FAQs

What is the primary function of the Watts 994BLT Portable Hydrant Backflow Preventer?

Its primary function is to protect potable water systems from contamination by preventing the reverse flow of non-potable water or substances from a fire hydrant or other non-permanent installation into the clean water supply.

What materials is the 994BLT backflow preventer constructed from?

The body and cover are made from corrosion-resistant 304 stainless steel. The check assemblies and relief valve assembly are constructed from engineered plastic and stainless steel, while the lid coupler is DI/CI (Ductile Iron/Cast Iron).

What are the standard inlet and outlet connection sizes for this model?

The standard inlet connection is 2 1/2 inch FNPT / 3 inch MNPT, and the standard outlet connection is 2 1/2 inch FMNPT / 3 inch MNPT. The unit also supports various optional inlet and outlet modules for different requirements.

Does the 994BLT require special tools for maintenance?

No, the design allows for easy maintenance at the hydrant or any convenient location, and no special tools are required for servicing the unit.

What is the flow capacity of the 994BLT Portable Hydrant Backflow Preventer?

This backflow preventer is rated for a large flow capacity of over 500 gpm (gallons per minute) with less than 14 psi (96.5 kPa) of pressure loss, meeting industry standards for Reduced Pressure Zone Assemblies.

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