The RS* series by Duplomatic is a line of double-acting throttle flow control valves designed for precise flow regulation in hydraulic systems. Here's a detailed overview:

 Specifications

• Type: Throttle flow control valve, double-acting
• Mounting Style: Screw-in cartridge or inline
• Cavity: D-10 B
• Port Sizes: Available in BSP threads — 1/4", 3/8", 1/2", 3/4", 1", 1 1/4", and 1 1/2"
• Max Operating Pressure: Up to 400 bar
• Max Flow Rate: Up to 220 liters/minute
• Adjustment Mechanism: Conical throttle in a cylindrical seat for linear flow control
• Locking Feature: Adjustment knob can be locked in any position using a transverse grub screw