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The Duplomatic RSN* and RSN*-I valves are single-acting throttle flow control valves for in-line mounting, directly in the line or as a cartridge complete with threading for in-block mounting.
Adjustment is obtained with a conical throttle that operates in a cylindrical seat and allows a good linearity of the adjusted flow.
They are also used as single direction flow shut-off valves since they guarantee good sealing when completely closed. They also allow a free return in theopposite direction.
The valves are always supplied with an adjustment knob that can be locked in any position with a transverse positioned grub screw, as may be required.