Argo Hytos SF22A-B2/H40S-A
Flow Control Valve
As a components and system supplier, ARGO-HYTOS is an essential part in the supply chain of the world market leaders when it comes to mobile working machinery and mechanical engineering.
With modern technical challenges becoming more complex as time goes on, it is vital to find system partners who can offer an integrated approach supported by outstanding experience, which they can contribute to projects and offer solutions for fluid power technology.
› Set volumetric flow is independent of load pressure and temperature changes
› The flow rate depends on the selected flow range and set pressure drop
› Three flow ranges
› Fast and smooth response to load changes
› Precisely manufactured parts and a hardened compensator spool
› Possible meter-in, meter-out or bleed-off (serial) connection to an applicator
› Flow adjustable by allen key or rotating plastic handle
› In the standard version, the valve is zinc-coated for 240 h protection acc. to ISO 9227.
Enhanced surface protection for mobile sector available for the steel parts (ISO 9227, 520 h salt spray)
Screw-in cartridge flow control valve with 2-way pressure compensator is designed for speed control of actuator in applications, where the minimum fluctuation of velocity is acceptable during load changes.
The 2-way pressure compensator spool maintains constant pressure drop on the valve by throttling and thus a constant flow in the flow direction 1 → 2. The volumetric flow is independent of pressure changes in ports 1 and 2.
Flow adjustment, in the range given by the nozzle diameter, is performed by changing the pressure drop, by means of spring compression with adjusting screw.
The regulated flow increases with clockwise rotation of the adjusting screw. In the opposite flow direction 2 → 1 the valve works as a flow restrictor and the pressure compensator spool is inactive.
Technical Specification
SF22A-B2/H40S-A
SF22A - 2-Way flow regulator, pressure compensated
B2 - Valve Cavity: 7/8-14 UNF (C-10-2)
H - Model: High performance
40 - Flow Rate: 5.1 - 20 l/min (1.4 - 5.3 GPM)
S - Adjustment Option: allen key (hex. 5), without protective cap
A - zinc-coated (ZnCr-3), ISO 9227 (240 h)
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