MB 20 (45L/M) *compact size

Product catalog summary

Overview: The MB20 Series is a compact monoblock directional control valve designed to perform similar functions as the MCD20. It features a high-strength cast iron body and hardened steel spools, offering various spool types and controls. Key features include an adjustable main relief valve, check valve, carry-over circuit, and two mounting holes.

Specifications: The valve supports a nominal flow of 45 L/min (12 USgpm) and a maximum pressure of 210 bar (3000 psi). It is available with different circuit options, including open center, carry over, and closed center plugs. The valve can accommodate 1 to 3 spools, with various port thread options and relief valve settings.

Spool Control and Types: The MB20 Series offers several spool control options, such as spring return to center, detent in two or three positions, and different port configurations. Spool types include double acting with closed center, double acting with tank center, and single acting with one side plugged.

Port and Thread Details: All ports (P, T, A-B, CO) are 3/8" SAE 8, with thread options in BSP or SAE. The ordering code provides a detailed breakdown of model configurations.

Installation Dimensions: The document provides detailed installation dimensions for the MB20/1 and MB20/2 models, including weight and specific measurements in both millimeters and inches.

Pressure Drop Information: Graphs illustrate the pressure drop across the valve at different flow rates and temperatures, providing essential data for system design and analysis.

Catalog excerpts

Compact Monoblock Directional Control Valve MB20 Series Features MB20 Series is a monoblock directional control valves entirely developed to perform equivalent basic function as MCD20. MB20 is very compact in size yet comes with all standard feature such as adjustable main relief valve, check valve , carry over circuit, and 2 mounting holes. MB20 made of high strenght cast iron. The spools are made of hardened and tempered steel with varieties of spool types and controls. Specification Nominal Flow L/min (USgpm) Ordering Code Circuit Option no code or OC - With open center plug CO - With carry over plug 2 CC - With closed center plug Relief Valve Setting Spool Control Port Thread no code - Spring retrurn to center 8 D - Detent in three positions no code - Port P and T at side with optional Optional Port Connection TP - Port P and T on top with optional Spool Type Port P and T pluged at side no code or 1 - Double acting, 3 position with Aand B (Type.1) closed in center (Cylinder spool) (Type.2) 2 - Double acting, 3 position with A and B to tank in center (Motor spool) (Type.3) 3 - Single acting on A, 3 position B plugged (Type.4) 4 - Single acting on B, 3 position A plugged

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