Flow Restrictor AP-D-300

Overview

The AP-D-300 Flow Restrictor is a precision-engineered component designed to regulate concentrate (waste) water flow in reverse osmosis (RO) systems. It maintains the correct back pressure on the RO membrane to ensure optimal performance, consistent water production, and improved water quality. Suitable for domestic and light commercial water purification systems, the AP-D-300 plays a critical role in maintaining proper recovery ratios and extending membrane lifespan.

Key Features

• Calibrated 300 GPD flow rating

• Maintains correct membrane back pressure

• Improves RO system efficiency and stabilises water production

• Compact inline design for simple installation

• Durable, chemical-resistant construction

• Compatible with most 300 GPD RO membranes

Technical Specifications

• Model: AP-D-300

• Flow Rating: 300 GPD (Gallons Per Day)

• Installation Position: Concentrate (waste) water line

• Connection Type: Inline capillary / tube insert (depending on system configuration)

• Material: High-grade polymer

• Application: Flow control for reverse osmosis membranes

Applications

• Domestic under-sink RO systems

• Light commercial RO units

• Water shop purification systems

• RO membrane replacements and system upgrades

Why Choose the AP-D-300 Flow Restrictor

• Ensures optimal membrane recovery ratio

• Protects membranes from premature fouling and damage

• Enhances overall system efficiency

• Simple, reliable, and maintenance-friendly design

• Recommended by Pure Water 4 Life for professional RO installations