Double disc check valve 706

DN40-1200 PN10-40

Guarantee

Comprehensive Documentation

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Technical Specifications

Nominal diameter DN40-DN600
Nominal pressure PN10, PN16, PN25, PN40
Medium temperature -10 °C ... +200 °C
Types of Valve End Connections Wafer
Leakage Class «А»
Warranty Period 12 months
Mounting Position Disc axis in vertical position
Types of Control Automatic
Average Service Life 10 000 cycles
Guaranteed Service Life Not less than 5000 cycles

Technical Drawings and Dimensions

Product Description

The dual-plate check valve (double disc check valve) model 706 allows the medium to flow in only one direction. If the flow direction changes, the valve closes automatically.

Model 706 is designed for installations where the following are required:

Effective protection against backflow
Minimal pressure loss in the system
Compact dimensions and low weight

Thanks to its dual-plate design, the valve offers:

Fast closing to prevent water hammer
Installation capability in both horizontal and vertical pipeline sections
Lightweight construction compared to traditional swing check valves

Design features:

Wafer-type body for installation between flanges
Dual-disc mechanism with return spring
Compatibility with various flange standards (e.g., PN10, PN16, ANSI)
Available in different versions with various disc, shaft, and spring materials

Working media:

Water and steam
Aggressive and non-aggressive liquids
Chemical products
Process media in petrochemical, energy, food, and paper industries

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