PP Compression Hot Air Release Valve Irrigation Fitting 1

PP Compression Hot Air Release Valve Irrigation Fitting 2

PP Compression Hot Air Release Valve Irrigation Fitting 3

PP Compression Hot Air Release Valve Irrigation Fitting 4

PP Compression Hot Air Release Valve Irrigation Fitting 5

PP Compression Hot Air Release Valve Irrigation Fitting 6

PP Compression Hot Air Release Valve Irrigation Fitting 7

PP Compression Hot Air Release Valve Irrigation Fitting

Place of Origin:

China

Samples:

$68.0/piece | Min. order : 1 piece

Shipping:

Support Sea freight

Payments:

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

Lead Time:

1-1000(pieces):7(days),1001-10000(pieces):10(days),>10000(pieces):To be negotiated(days)

Customization:

Customized packaging (Min. Order: 50000 sets),Customized logo (Min. Order: 50000 sets),Graphic customization (Min. Order: 50000 sets)

model number:

compression fitting

brand name:

valve

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package(pcs/ctn)

120

Craft

Extrusion

model

Payment Terms

30%TT,70% After See BL

product name

compression fitting

color

blue/ black

size

20mmX20mm

Certificate

ISO CE JIS...

Diameter

20mm

Feature

Easily Install

Working pressure

1.0-1.6Mpa (10-25bar)

Application

Agricultural, Irrigation, Farm

material

Plastic

place of origin

shandong china

type

Other Watering & Irrigation

Durable Compact Secure Air Release

This PP compression hot air release valve delivers leak-free, drinking-water-compliant irrigation performance with high-temperature resistance, excellent impact strength, and lightweight construction for easy handling and long service life. Packaged in international export packaging and offered Ungrouped for custom assembly, its compact, sleek blue/black style and precise PP molding provide sound insulation, low thermal conductivity and a neat exposed-or-hidden installation aesthetic. As a manufacturer-backed solution, we provide site-specific customization, free samples, fast delivery within 15 days and reliable, low-cost installation to save water and reduce construction expenses.

PP Compression Irrigation Vent

The PP compression hot air release valve irrigation fitting is made of food-grade PP with compression joints and an integrated hot air release valve, available in Ungrouped diameters from 20–110 mm and designed for quick, leak-free installation. It meets drinking-water standards, resists high temperatures and impact, provides excellent thermal and sound insulation, and supports pressures up to 16 bar (20–63 mm) or 10 bar (75–110 mm) for reliable, long-life performance. Lightweight, color-stable and eco-friendly, the structure reduces transport and installation costs while ensuring versatile compatibility with drip, sprinkler and hydraulic pipelines and customizable site configurations.

PP Irrigation Air Release

This PP compression hot air release valve irrigation fitting is made of PP and meets drinking water standards while offering high-temperature resistance, strong impact strength, and excellent heat and sound insulation for durable, lightweight performance. Available in diameters from 20 to 110 mm with pressure ratings up to 16 bar, it provides reliable, leak-free connections for high-pressure liquid pipelines, drip irrigation and drinking water systems with convenient, low-cost installation. Supplied Ungrouped and offered in blue or black, the eco-friendly valve can be customized to site requirements and is backed by fast delivery and manufacturer support.

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Fast, Durable, Leak-Free Performance

The Ungrouped PP compression hot air release valve irrigation fitting is crafted from precision-molded polypropylene with stringent quality controls and UV-stable additives, reflecting a brand commitment to durable, corrosion-resistant components for long-term field performance. Its self-actuating hot-air release mechanism combined with a foolproof compression seal rapidly evacuates trapped air to prevent water hammer and blockages, enabling tool-free installation, minimal maintenance, and consistent flow rates. Compact, pressure-rated, chemically resistant, and compatible with common irrigation piping, this fitting delivers extended service life, reduced downtime, and measurable water- and energy-saving advantages for both commercial and residential systems.

Material introduction

The PP (polypropylene) construction of this Ungrouped compression hot air release valve provides chemical stability and compliance with drinking water standards while remaining eco-friendly and lightweight. Polypropylene delivers high temperature resistance, excellent impact strength, low thermal conductivity and long service life for reliable irrigation operation. Its durable molded design enables convenient, leak-resistant installation with good sound insulation and suitability for both exposed and hidden pipeline applications.

◎ High‑Grade Polypropylene (PP)

◎ Reinforced Polypropylene (PP-R)

◎ Food‑Contact / Drinking‑Water Compliant PP

FAQ

What is a PP Compression Hot Air Release Valve irrigation fitting and how does it work?

It is a polypropylene (PP) compression-style fitting with an automatic air-release vent integrated. Installed in irrigation lines, it allows trapped air to escape when the system is filled and pressurized and prevents air re-entry when closed. This helps maintain steady flow, reduce water hammer, and protect emitters and pumps from air-related interruptions.

In which irrigation applications should this fitting be used?

Use it wherever air accumulation is a problem: drip and micro-sprinkler mains and laterals, greenhouse bench systems, fertigation lines, long runs of PE or PVC pipe, and elevated or sloping sections where air pockets form. It’s particularly helpful on systems with frequent filling/draining, pump starts/stops, or long lateral runs.

How do I install the PP compression hot air release valve correctly?

Flush the pipe to clear debris, cut the tubing square, and deburr. Slide the compression nut and ferrule (if provided) onto the tube, push the tube fully into the fitting until it reaches the internal stop, then hand-tighten the nut. Follow the manufacturer’s torque instructions—typically a small additional wrench turn after hand-tightening. Mount the valve in a vertical position where possible so air can collect at the top, and place it at high points or ends of runs where air accumulates.

What maintenance is required to keep the valve working reliably?

Periodically inspect for blockages, debris buildup around the vent, and signs of wear or cracking. Flush the system occasionally to clear sediment. If the valve has a removable cap or strainer, clean it per the product instructions. Replace O-rings or the valve if you observe leaks or if the vent fails to operate. Always winterize or drain systems in freezing climates to avoid damage.

What piping and operating conditions is this PP compression fitting compatible with?

It is designed for common irrigation tubing materials (PE/LDPE, PVC, etc.), but always check the product specifications for exact compatible diameters. PP fittings are corrosion-resistant and lightweight, but their temperature and pressure limits depend on the specific model—refer to the manufacturer’s datasheet for maximum working pressure and temperature. Avoid exposure to aggressive chemicals or prolonged high heat beyond the specified range.

What are common problems and how do I troubleshoot them?

Common issues: (1) Valve not releasing air — check for debris blocking the vent or an internal seal stuck; clean or replace the valve. (2) Leakage at the compression joint — ensure the tube is cut square and fully inserted, inspect and replace ferrule/O-ring if damaged, and tighten to recommended torque (don’t overtighten). (3) Valve leaking continuously — debris or a damaged seal may prevent closure; clean or replace the unit. If problems persist, replace the valve and consult the manufacturer’s support for warranty or part-specific guidance.

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