Farm Irrigation Low-Pressure Air & Vacuum Relief Valve 1

Farm Irrigation Low-Pressure Air & Vacuum Relief Valve 2

Farm Irrigation Low-Pressure Air & Vacuum Relief Valve 3

Farm Irrigation Low-Pressure Air & Vacuum Relief Valve 4

Farm Irrigation Low-Pressure Air & Vacuum Relief Valve 5

Farm Irrigation Low-Pressure Air & Vacuum Relief Valve 6

Farm Irrigation Low-Pressure Air & Vacuum Relief Valve 7

Farm Irrigation Low-Pressure Air & Vacuum Relief Valve

Place of Origin:

China

Shipping:

Support Sea freight

Payments:

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

Lead Time:

1-100000(pieces):15(days),>100000(pieces):To be negotiated(days)

model number:

Air Relief Valve

brand name:

HYRT Air Relief Valve

Inquiry

Write a Review

Required Products

Total price discount:

BUY TOGETHER

Inquiry together

Name

Low Pressure Air Relief Valve

Working Pressure

0.1-1.6bar

Keyword

Safety Relief Valve

Diameter

32mm, 1"-2"

Certification

ISO

Packing

Carton

Feature

Low Pressure

Usage

Water-saving Irrigation System

Application

Gardening, Agricultural Farmland Irrigation System

Product name

Agriculture Irrigation Low Pressure Air Relief Valve

material

Plastic

place of origin

Shandong, China

type

Other Watering & Irrigation

Durable, Compact, Fast Relief

These Valves rapidly discharge trapped air and admit air during emptying to prevent vacuum, protecting pipelines and ensuring stable, uninterrupted low‑pressure farm irrigation. Their straight‑flow, compact shape and low‑profile style with large air inlets, long‑stroke float and corrosion‑resistant quality deliver reliable 0.2 bar sealing, fast air release and minimal maintenance for long service life. Shipped in secure protective packaging and backed by OEM/special design options, full testing, and 24‑hour technical and after‑sales support, they simplify selection, installation and long‑term operation.

Reliable Low-Pressure Relief Valve

These Valves are low‑pressure air and vacuum relief units for farm irrigation that combine a straight‑flow channel, large air inlet/outlet, corrosion‑resistant materials and a dynamic float‑ball with long stroke to prevent blow‑off and ensure reliable sealing down to 0.2 bar. Functionally they quickly purge large volumes of air during filling, admit air during draining to prevent vacuum and pump damage, and protect filters, fertilizer injectors and high points of the pipeline from harmful air accumulation. Value attributes include simple, low‑maintenance construction, long service life, OEM and special‑design support, rigorous testing and 24‑hour technical assistance to reduce downtime and ensure dependable system performance.

Irrigation Air Vacuum Relief

The Farm Irrigation Systems Low Pressure Air & Vacuum Relief Valve rapidly discharges large volumes of air during filling and admits air during draining to prevent vacuum damage and protect pipelines. With a straight-flow channel, large air inlet and outlet, corrosion-resistant components and a long-stroke float ball with anti-blowback design, these Valves ensure quick air release, reliable low-pressure sealing and minimal maintenance. Ideal for irrigation pipe networks, filters, fertilizer injectors and high points in the system, they deliver dependable performance along with OEM options and technical support.

◎ product nicety 1

◎ product nicety 2

◎ product nicety 3

Efficient Reliable Durable Protection

Backed by a decades-old agricultural brand, the Farm Irrigation Low-Pressure Air & Vacuum Relief Valve is crafted from corrosion-resistant polymers and stainless components with precision molding and testing to deliver long service life in harsh field conditions. These Valves automatically release trapped air during pipeline filling and admit air during shutdown to prevent vacuum damage, combining fast response with low leakage and tool-free maintenance. Key features and advantages include low cracking pressure, replaceable seals and seats, compact lightweight design, and easy disassembly for field servicing, resulting in reduced downtime, lower lifecycle costs, and improved irrigation reliability.

Material introduction

These Valves are constructed from corrosion‑resistant metals paired with engineered polymers to withstand the abrasive and wet conditions of farm irrigation systems. Durable elastomer seals, wear‑resistant float materials and reinforced internal components deliver reliable low‑pressure sealing and long movement stroke to prevent air ingress or leakage. The material combination yields low maintenance, extended service life and consistent performance in pipeline and high‑point applications.

◎ Corrosion-resistant metal alloys

◎ Lightweight anti-corrosive float

◎ Wear-resistant internal components

FAQ

What is the primary purpose of a farm irrigation low-pressure air & vacuum relief valve?

The valve protects pipelines from collapse and poor flow by admitting air when the line is drained (vacuum relief) and releasing trapped air pockets during filling or pump start-up (air release). In low-pressure irrigation systems this prevents pipe implosion, reduces water hammer, and restores full flow for uniform irrigation.

Where should these valves be installed in an irrigation system?

Install them at pipeline high points, at the pump suction and discharge as recommended, at the end of long laterals, and upstream of control devices (gates, filters, valves). Place one at the highest elevation of a mainline and additional valves at frequent high spots on long runs to avoid air accumulation.

How do I choose the right size and model for my farm irrigation application?

Select a model rated for your system’s maximum working pressure and flow conditions, and sized for the expected air inrush during filling and vacuum events. For best results consult the valve manufacturer’s sizing charts—consider pipe diameter, pipeline length, pump capacity, and whether the system is gravity-fed, pump-fed, or includes frequent on/off cycles.

Will the valve allow water to leak during normal operation?

A properly working valve should not leak water continuously. It will only discharge water briefly when air is forced out or if the valve is opening to let air in during pipeline draining. Consistent dripping or streaming indicates worn seals, debris on the seat, improper installation orientation, or a failed unit that needs cleaning or replacement.

What routine maintenance is required and how often?

Inspect valves visually at least once per irrigation season and after major events (flooding, freeze, dusty conditions). Remove and clean the internal seat and float/diaphragm if the valve is serviceable. Replace worn seals or corroded parts. Frequency increases if the system handles sediment-heavy water or chemicals—check every 3–6 months in those cases.

Are these valves compatible with fertilizers, chemicals, or freezing conditions common on farms?

Many valves are made from chemical-resistant materials (PVC, polypropylene, stainless steel, EPDM), but always confirm chemical compatibility with the manufacturer for your specific fertilizers or injectants. In frost-prone areas, protect valves from freezing by draining mains, installing below frost line, using insulation, or locating valves inside protected pits—freezing can crack components and impair function.

Let' s Discuss Your Needs

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

Write to Us

18606348185@lwhyrt. com

Support Center 24/7

0086-18606348185

Our Location

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