Atos AQFR Type Flow Valve, In-line Throttle, Size G 3/8" to G 1-1/4", Max Flow 250 l/min, Max Pressure 400 Bar

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Atos

Non-compensated flow throttle valves with built-in check valve for free reverse flow.

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Description
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Description

Atos AQFR throttle valves are designed for in-line mounting, providing non-compensated flow regulation with a built-in check valve for free flow in the reverse direction. Flow is adjusted by rotating an external hexagon screw, and the regulated flow depends on the pressure drop between inlet and outlet ports. Available in sizes ranging from G 3/8" to G 1 1/4", these valves support maximum flow rates of up to 250 l/min and pressures up to 400 bar.

Key Features

Non-compensated throttle valves for in-line mounting with built-in check valve for reverse flow. Adjustable via hexagon screw.

Applications

Ideal for hydraulic systems requiring in-line throttle control with free reverse flow capability.

Downloads

Datasheet Atos AQFR Series.pdf

pdf

Specifications

Sizes
G 3/8", G 1/2", G 3/4", G 1", G 1 1/4"
Maximum flow
Up to 250 l/min
Maximum Pressure
Up to 400 bar (size-dependent)
Connection Ports
BSP threaded ports, in-line mounting
Adjustability
External hexagon screw for precise flow adjustment
Ambient temperature
-30°C to +70°C
Fluid compatibility
Mineral oil (DIN 51524) and synthetic hydraulic fluids
Seal Options
NBR (standard), FKM (/PE), HNBR (/BT)
Compliance
RoHS Directive 2011/65/EU, REACH Regulation (EC) n°1907/2006
Weight
Varies by size (e.g., 0.7 kg for AQFR-10, 6.5 kg for AQFR-32)
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