Automatic Drain Valve for Standpipe Systems

Material: Bronze Ball Material Options: Brass or stainless steel Connection Type: 1/2″ NPT Operating Feature: Normally open position with automatic closing function Pressure Rating: 250 psi for main valve trim use; 175 psi for FDC-to-check valve use Surface Finish: Rough bronze finish

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Противопожарный клапан и комплектующие

Бронзовый клапан

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This automatic drain valve is designed to discharge trapped water from standpipe systems and fire protection valve assemblies. It can be used as a trim component for dry pipe, deluge, and preaction valves, or installed between the fire department connection and check valve to support proper drainage and system protection.

Key Features

Designed for automatic drainage in fire protection piping systems
Helps drain water from standpipe systems and valve trim assemblies
Suitable for dry pipe, deluge, and preaction valve trim applications
Can be installed between the fire department connection and check valve
Normally open position with automatic closing under pressure
Bronze body construction for fire protection system use
Brass or stainless steel ball options available
Available in 250 psi and 175 psi working pressure options
Compact 1/2″ NPT connection for standard trim installation

Product Configurations

Item	Details
Main Function	Drains residual water from fire protection piping
System Application	Standpipe systems and valve trim assemblies
Valve Position	Normally open, automatic close under pressure
Connection Size	1/2" NPT
Installation Option 1	Trim component for dry pipe, deluge, and preaction valves
Installation Option 2	Between fire department connection and check valve
Auto-Close Pressure	2-10 psi or 7 psi, depending on application
Working Pressure	250 psi or 175 psi

FAQ
Q1: Who are we?
A: We are a fire fighting equipment manufacturer based in Fujian, China. Since 2004, we have supplied a wide range of fire safety products for domestic and international markets, including fire sprinklers, hydrants, valves, hoses and extinguishers.
Q2: How do we ensure product quality?
A: We follow strict quality control procedures from raw material inspection to production and final shipment. Pre-production samples and final inspections can be arranged according to order requirements.
Q3: What products do we supply?
A: We supply fire sprinklers, fire extinguishers, fire hydrants, fire valves, fire hoses, hose reels, fire cabinets, foam equipment and other fire fighting accessories.
Q4: Why choose Sunroom?
A: Sunroom has over 21 years of experience in fire fighting equipment manufacturing. We offer a wide product range, support customized production, and provide certificates or technical documents according to product and project requirements.

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