1/2 Air Release Valve for Drip Irrigation - Pressure 1

1/2 Air Release Valve for Drip Irrigation - Pressure 2

1/2 Air Release Valve for Drip Irrigation - Pressure 3

1/2 Air Release Valve for Drip Irrigation - Pressure 4

1/2 Air Release Valve for Drip Irrigation - Pressure 5

1/2 Air Release Valve for Drip Irrigation - Pressure 6

1"/2" Air Release Valve for Drip Irrigation - Pressure

Place of Origin:

China

Samples:

$30.0/piece | Min. order : 1 piece

Shipping:

Support Sea freight

Payments:

L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA

Lead Time:

1-1000000(pieces):15(days),>1000000(pieces):To be negotiated(days)

Customization:

Graphic customization (Min. Order: 10000000 sets),Customized logo (Min. Order: 1000000 sets),Customized packaging (Min. Order: 1000000 sets)

brand name:

HYRT

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Certification

ISO9001 ,ISO18001,ISO14001,CE

key selling points

anti-ultraviolet

warranty

1 Year

after-sales service provided

Online support

feature

Stong and durable

core components

Engine

machinery test report

Not Available

video outgoing-inspection

Provided

Color

multicolor

Standard

DIN,BS,ANSI,JIS

weight

1.5

Application

Agricultural Farmland Irrigation System

Product name

Agriculture Irrigation Low Pressure Air Relief Valve

material

Metal

place of origin

Shandong, China

type

IRRIGATION SYSTEM

Compact Durable Precision Airflow

This 1"/2" air release valve protects drip irrigation systems by quickly venting trapped air and preventing vacuum and pressure spikes that cause pipe damage and flow disruption. Its compact threaded shape, corrosion‑resistant construction, and secure packaging ensure easy installation at pumps, filters and high pipeline points while delivering durable, leak‑proof performance. Available Ungrouped for flexible ordering, it reduces maintenance needs and extends system lifespan for farmers and landscapers.

Automatic Pressure Air Release

The 1"/2" Air Release Valve for Drip Irrigation is a compact, pressure-rated component sold Ungrouped and engineered for use in main irrigation networks, irrigation control heads, and high-elevation pipeline sections where air relief and vacuum prevention are essential. It automatically vents trapped air and prevents vacuum formation downstream of pumps, at filtration and fertilization stations, and on high-pressure lines to reduce water hammer and the risk of pipe rupture. Constructed from quality materials with a reliable sealing mechanism, the valve provides long service life, easy installation, and consistent performance across agricultural, landscape, and greenhouse systems.

Drip Irrigation Pressure Valve

The 1"/2" air release valve for drip irrigation quickly vents trapped air and prevents vacuum formation downstream of pumps, along supply lines, and at high elevations in main irrigation networks. Ideal for installation at filtration and fertilization stations and at high points of pipeline systems, it guards against pipe damage from high-pressure air while maintaining steady operating pressure. Manufactured by Laiwu Hyrt Water-Saving Irrigation Co., Ltd., this Ungrouped valve is built from durable materials and tested under strict quality controls for reliable performance in agricultural, landscape, greenhouse, and garden watering applications.

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Reliable Pressure Release Performance

Built by a brand committed to sustainable water management, the 1"/2" Air Release Valve for Drip Irrigation - Pressure is molded from UV-stable, corrosion-resistant engineering plastics for durable, consistent operation. Sold Ungrouped for flexible purchasing, it automatically vents trapped air and relieves pressure surges to prevent water hammer and improve emitter uniformity across drip networks. Key features include quick-thread installation, a self-sealing mechanism, low-maintenance design and broad compatibility with standard 1" and 2" fittings, delivering reliable, leak-free pressure regulation and reduced system downtime.

Material introduction

The 1"/2" air release valve is molded from UV-stabilized polypropylene for lightweight durability and resistance to corrosion and agricultural chemicals. Critical internals feature stainless steel springs and shafts with EPDM seals to ensure airtight performance under pressure and long service life. Available as Ungrouped units for easy integration into main irrigation networks, filtration stations, and high-elevation pipelines, these valves use robust materials and precision manufacturing to prevent vacuum events and pipe damage.

◎ UV‑Stabilized PP/ABS Body

◎ Stainless Internals with EPDM Seals

◎ Durable, Chemical‑Resistant Assembly

FAQ

What does a 1/2" air release valve do in a drip irrigation system?

The valve automatically vents trapped air when the line is pressurized and admits air on shutdown to prevent vacuum. That avoids air locks, helps emitters deliver uniform flow, and reduces noisy flow and potential water-hammer events.

Where should I install a 1/2" air release valve in my drip system?

Install at system high points, the end of laterals, and immediately downstream of pumps or pressure regulators — essentially wherever air tends to collect. Fit the valve vertically (outlet up) and install one per zone at each major high point for best results.

Will a 1/2" air release valve fit my pipes and handle my system pressure?

A 1/2" valve is intended to connect to standard 1/2" fittings on PVC, polyethylene or poly pipe (use the correct threaded or slip adaptor as required). These valves are suitable for typical drip irrigation pressures; always verify the manufacturer’s pressure rating and thread type for your specific model before installation.

How do I maintain and service the valve?

Routine checks during the irrigation season are recommended. Isolate the valve, depressurize, open and flush it, remove debris, inspect the float/seat and seals, and replace worn parts. Using a pre-filter in your system reduces debris and extends valve life.

My valve leaks water constantly or won’t vent air — what should I check?

Common causes are debris trapped in the seat, a damaged float or seal, incorrect installation orientation, or operating outside the valve’s pressure range. Troubleshoot by cleaning the valve, confirming it’s mounted upright, testing under system pressure, and replacing the valve or parts if damaged.

How many air release valves do I need and do they protect against freezing?

You generally need one at each high point and at the end of each lateral per irrigation zone; the exact number depends on your layout. These valves do not prevent freezing — in cold climates you must drain lines, remove or insulate valves, or winterize the system to avoid freeze damage.

Let' s Discuss Your Needs

Our water-saving experts will provide you with full assistance from quotation to delivery.

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18606348185@lwhyrt. com

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0086-18606348185

Our Location

No. 2, Wuhua Street, Fengcheng Industrial Park, Laiwu District, Jinan City, jinan, Shandong, China