Double disc check valve 706
Technical Specifications
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Nominal diameter
— DN40-DN600
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Nominal pressure
— PN10, PN16, PN25, PN40
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Medium temperature
— -10 °C ... +200 °C
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Types of Valve End Connections
— Wafer
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Leakage Class
— «А»
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Warranty Period
— 12 months
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Mounting Position
— Disc axis in vertical position
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Types of Control
— Automatic
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Average Service Life
— 10 000 cycles
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Guaranteed Service Life
— Not less than 5000 cycles
Technical Drawings and Dimensions
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:
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Effective protection against backflow
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Minimal pressure loss in the system
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Compact dimensions and low weight
Thanks to its dual-plate design, the valve offers:
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Fast closing to prevent water hammer
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Installation capability in both horizontal and vertical pipeline sections
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Lightweight construction compared to traditional swing check valves
Design features:
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Wafer-type body for installation between flanges
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Dual-disc mechanism with return spring
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Compatibility with various flange standards (e.g., PN10, PN16, ANSI)
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Available in different versions with various disc, shaft, and spring materials
Working media:
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Water and steam
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Aggressive and non-aggressive liquids
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Chemical products
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Process media in petrochemical, energy, food, and paper industries
