DH77X-10/16Q – Dual Plate Check Valve

Description

Product Overview

The dual plate check valve features two spring-loaded flaps that automatically open to allow flow and close to prevent backflow. Designed for reliable performance, it minimizes water hammer and ensures smooth operation in pipelines. Ideal for water, wastewater, and industrial fluid systems, this valve provides durable, low-maintenance service.

Key Features

• ✅ Compact Wafer Design: Fits between flanges, saving space and simplifying installation.
• ✅ Automatic Backflow Prevention: Disc closes automatically to prevent reverse flow.
• ✅ Lightweight and Durable: Typically made from cast iron, stainless steel, or ductile iron.
• ✅ Low Pressure Loss: Streamlined design ensures minimal flow resistance.
• ✅ Wide Application Range: Suitable for water, oil, gas, and industrial fluid systems.

Technical Specifications

Parameter	Description
Size	DN50 – DN600
Pressure Rating	PN10 ，PN25 ， 150LB
Body Material	Ductile Iron
Disc Material	Ductile Iron
Connection	Flange
Operation	Automatic operation; the spring-loaded or gravity-assisted flaps open with forward flow and close to prevent backflow.

Applications

• 💧 Water treatment plants
• 🌬 HVAC systems
• ⚗ Chemical and petrochemical industries
• 🍶 Food and beverage pipelines