Atos ADR Type Check Valves, In-line, G 1/4" to G 1 1/4", Max Flow 500 l/min, Max Pressure 400 Bar

Brand :
Atos

Direct-operated, in-line check valves with threaded ports, available in sizes G 1/4" to G 1 1/4".

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Description
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Description

Atos ADR check valves are designed for in-line mounting, featuring direct operation and threaded ports ranging from G 1/4" to G 1 1/4". These valves support flow rates up to 500 l/min and pressures up to 400 bar. Ideal for hydraulic systems with mineral oils or synthetic fluids, they offer reliable performance with multiple cracking pressure options for precise flow control.

Key Features

Direct-operated, in-line mounting check valves. Available in sizes from G 1/4" to G 1 1/4" with pressure up to 400 bar.

Applications

Suitable for hydraulic systems requiring in-line check valves with adjustable cracking pressure.

Downloads

Datasheet Atos ADR Series.pdf

pdf

Specifications

Sizes
G 1/4", G 3/8", G 1/2", G 3/4", G 1", G 1 1/4"
Maximum flow
Up to 500 l/min
Maximum Pressure
400 bar
Cracking Pressure Options
0.5 bar (standard), 2 bar, 4 bar, 8 bar
Fluid compatibility
Mineral oils (DIN 51524) and synthetic hydraulic fluids
Ambient temperature
-20°C to +80°C (standard), -40°C to +80°C (/BT option)
Recommended viscosity
15–100 mm²/s (maximum range 2.8–500 mm²/s)
Compliance
RoHS Directive 2011/65/EU, REACH Regulation (EC) n°1907/2006
Installation Torque
Varies by size (e.g., G 1/4": 15 Nm, G 3/8": 20 Nm, G 1 1/4": 100 Nm)
Weight
ADR-06: 0.2 kg, ADR-32: 2.5 kg (varies by size)
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