QED Environmental Systems is the leading manufacturer of innovative environmental products.
For over 30 years their expertise has included Pumping Systems, Landfill Products, and Air Strippers.

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Call us: 1 (800) 624-2026

Landfill Products

QC orpwellhead

Precision Wellheads

QED’s new Quick-Change™ Orifice Plate Wellhead (U.S. Patent Number 8,800,597 & Patents Pending) combines easy plate exchanges for accurate flow measurements with precise adjustment control over a broad flow range.

Quick-Change Orifice Plate Wellhead

Designed to allow for precise control and direct measurement of landfill gas flow.


Orifice Plates

Quick-Change Plates are available in stainless steel and fiber reinforced nylon.

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Orifice Plate Selector Guide

Choose the right orifice plate for your site conditions:


Fine Tune Control Valve

Control Valve allows you to precisely adjust the gas flow from a well, rather than just turning it on or off.

pdfFine Tune™ Control Valve data sheet - 6 Mb


Sample Port Covers

First barbed fitting with a screw-on cap.


LFG Well Caps

The first landfill gas well caps that allows liquid level readings without removing the wellhead.

pdfWellcap data sheet - 326 Kb


High Liquid Level Indicator

Provides quick and easy indication of excess liquid levels in gas wells.


UV-resistant LFG Flex Hose

New LFG hose designed to last much longer than conventional hose.

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Quick-Connect Fittings

Quickly disconnect and reconnect the tubing from pumps without cutting.


Traditional Wellhead

A wellhead for those looking for sensitive flow adjustment capability and a lower cost assembly.

eng specs index

Engineering Specifications