SV/SL TYPE OF FLOW CONTROL CHECK VALVE
VALVES > Directional Valves
A directional valve is a type of hydraulic or pneumatic control component that directs or controls the flow of fluid (oil, air, or other media) by switching flow paths. It determines the path of fluid flow in a hydraulic or pneumatic circuit, controlling the direction of motion of actuators like cylinders and motors.
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Flow Control Check Valve Overview

This Flow Control Check Valve series is designed to manage hydraulic fluid flow with optional features for pilot control, subplate mounting, and various pressure and port configurations. It provides customizable flow control to meet specific application requirements and reduces hydraulic impact with buffer and release mechanisms.

Features:

  1. Flow control check valve with subplate installation.
  2. Connection dimensions per DIN24340.
  3. Available with or without a drain port, as needed.
  4. Available with or without a pilot valve for enhanced control.
  5. Buffer and release pressure functionality using the pilot valve.
  6. Three selectable starting pressures to fit various applications.

Technical Specifications

Parameter Description
Product Type Flow Control Check Valve
Installation Subplate installation
Drain Port Options V = Without drain port, L = With drain port
Pilot Valve Options A = With pilot valve, B = Without pilot valve
Connection Types P = Subplate mounting, G = Thread connection
Starting Pressure 1, 2, or 3 (for adjustable starting pressures to control flow as per application needs)
Compatible Fluid No code: Mineral oil with DIN51524 or DIN51525 organic phosphate
Series 30-series with specific dimensions and installation standards

Ordering Code Breakdown

Position Code Description
1 S Flow control check valve
2 Drain Port V = Without drain port, L = With drain port
3 Oil Port Size SV or SL with specifications for sizes: 10, 15, 20, 25, 30 (each size has specific G and P ports)
4 Mounting Type P = Subplate mounting, G = Thread connection
5 Pilot Valve Option A = With pilot valve, B = Without pilot valve
6 Series 30-Series (30–39)
7 Starting Pressure 1, 2, or 3 for different pressure starting points

Spool Symbols

Spool Symbol Description
Symbol A Flow control symbol with direct flow from A to B and optional pilot flow.
Symbol B Allows for controlled flow with or without a pilot valve and reduced impact.

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