Dry barrel fire hydrants are essential components of fire protection systems in cold climates, where the risk of water freezing in the hydrant barrel is a concern. They are specifically engineered to keep water out of the upper barrel until the hydrant is activated, ensuring reliable operation even in freezing temperatures.

  • Designed to keep water below frost line until use
  • Commonly used in municipal, industrial, and refinery fire protection networks
  • Rugged ductile iron construction, epoxy coating, and flanged Compliant with AWWA C502 or equivalent international standards

Models and Specifications

 

Model Code

Type

Material

Iran Code

Inlet Connection

Standard

ST – HHD

Floor mounted

Ductile Iron

2741110387090002

Flange

AWWA C502

Key Features

 

  • Automatic drain valve to prevent water accumulation and freezing.
  • Corrosion-resistant alloy construction.
  • High reliability under emergency conditions.

Available Documentation

                                                                     

                                    

– Technical Datasheet

– Installation Guide

– Maintenance Instructions

– Material Certificate / ITP / Pre-shipment Docs



Dry Hydrant
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