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Hydraulic Brake Valves Catalog

Hydraulic Brake Valves Catalog
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Hydraulic Brake Valves Catalog

Product catalog summary
Overview: MICO, Inc. specializes in hydraulic brake valves for off-road markets, with facilities in the USA and Mexico. The company is ISO 9001 and ISO 14001 certified, focusing on quality and continuous improvement. Their product range includes pressure modulating brake valves, relay valves, and steering assist valves.
Product Specifications: MICO's brake valves are designed for hydraulic systems in open center, closed center, or load sensing configurations. They are compatible with mineral base hydraulic oil and eliminate the need for separate power brake units. Specifications may vary slightly between similar units.
Applications: These valves are used in forestry, agricultural, heavy construction, mining, and airport support vehicles.
Product Lines: MICO offers actuators, brake locks, brakes, controls, cylinders, electrohydraulics, master cylinders, and valves.
Pressure Modulating Valves: These valves provide modulated output pressure up to 206.8 bar (3000 PSI) and come in various configurations, including single and tandem modulating valves. They are designed for compact spaces and offer smooth modulation and proportional pedal feel.
Technical Details: The document includes model numbers, catalog codes, brake pressure settings, and input force requirements. It also provides formulas and technical papers for further reference.
Specifications: Tandem Modulating Valves feature a brake pressure setting range from 20.7 bar (300 PSI) to 206.8 bar (3000 PSI). They are compact and provide independent braking to front and rear systems. The pilot apply function allows for hydraulic signal-based on/off brake system pressure with zero leakage.
Reverse Modulating Valves: Used in negative braking systems, these valves actuate a spring apply/hydraulic release service brake. They are available with a latched pedal design for parking and dynamic braking.
Relay Valves: These closed center designs use pilot pressure from a remote brake valve to control modulated brake pressure, featuring compact size and smooth modulation.
Park Brake Valves with Auto Apply: These valves control the actuation of spring apply, hydraulic release park brakes, automatically applying the brake at a predetermined declining pressure.
Dual Power Brake Valve for Steering Assist: This valve modulates output pressures up to 137.9 bar (2000 PSI) and provides normal and emergency power-off braking for dual pedal systems.
Linked Pedal Controls: These controls integrate with MICO Modulating Valves, providing independent braking to front and rear systems and featuring rigid pedal linkage construction.
Useful Formulas: The document provides formulas for calculating piston area, force, volume, flow rate, horsepower, and torque.
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Catalog excerpts

Hydraulic Brake Valves Catalog-1

Innovative Braking and Controls Worldwide Hydraulic Brake Valves pressure modulating brake valves, relay valves, and steering assist valves Versatile, High-performance Hydraulic Brake Valves MICO, Inc.

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Hydraulic Brake Valves Catalog-2

This document is intended to provide general information about MICO Products. MICO, Inc. has attempted to present accurate information about MICO Products in its catalogs, brochures, and other printed materials. MICO, Inc. is not responsible for errors, inaccuracies, or inconsistencies that may exist in any catalog brochure or other printed materials or any damages arising from or related to reliance on information in them. Materials and specifications for MICO Products set forth in catalogs, brochures, and other printed materials are subject to change without notice or obligation. Refer to www.mico.com...

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Hydraulic Brake Valves Catalog-3

Why choose MICO? MICO, Inc. designs, manufactures and markets hydraulic components, controls, and brake systems primarily for off-road markets. We have manufacturing facilities in: •• North Mankato, Minnesota U.S.A. •• Ontario, California U.S.A. •• Empalme, Sonora, Mexico Many of the world’s largest off-highway OEMs value the knowledgeable staff at MICO and work with us to make their products better. Our custom-engineered products are designed with the customer requirements as the primary driver. It is our intent to help customers build their systems with our expertise in hydraulic components,...

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Hydraulic Brake Valves Catalog-4

Forestry Equipment Agricultural Equipment Heavy Construction Equipment Swing Drive Equipment Mining Equipment In-Plant & Warehouse Equipment Airport Support Vehicles Online Revision 2014-12-04

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Hydraulic Brake Valves Catalog-5

Pressure Modulating Valve Catalog Code FOR MODELS WITH PEDAL Product designator PMV = Pressure modulating valve with a pedal and base SB = Standard base and pin (no bushings in base) SS = Stainless steel pin and bushings in base PMO = Pressure modulating valve only Base Type Maximum Valve Pressure Setting NNN = None Floor Mounted Pedal FHN = Horizontal valve FHS = Horizontal valve with sensor FHW = Horizontal valve with switch FVN = Vertical valve FVS = Vertical valve with sensor FVW = Vertical valve with switch Suspended Pedal WHN = Horizontal valve WHS = Horizontal valve with sensor WHW = Horizontal...

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Hydraulic Brake Valves Catalog-6

(spool design) Single Modulating Valves DESCRIPTION These MICO® Single Modulating Valves are a closed center spool design. They provide a modulated output pressure of up to 206.8 bar (3000 PSI) and a maximum input pressure of 206.8 bar (3000 PSI). Standard brake pressure settings are in increments of 3.5 bar (50 PSI). zz Compact size for use in restricted space When used with a properly sized accumulator and a MICO® Accumulator Charging Valve, these valves provide normal and emergency power-off braking in a variety of open-center, closed-center, and load sensing hydraulic systems. For detailed...

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Hydraulic Brake Valves Catalog-7

Roller Actuated (single) Typical Brake Valve millimeters inches SPECIFICATIONS Model Number Catalog Code (refer to page 5) Nominal Brake Pressure Setting Tolerance bar Approximate Input Force at Pressure Setting N Brake pressure setting range all models. . . . . . . . . . . . . . . . . . 20.7 bar (300 PSI) to 206.8 bar (3000 PSI) in standard 3.5 bar (50 PSI) increments Maximum input pressure all models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206.8 bar (3000 PSI) Consult MICO Applications Department...

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Hydraulic Brake Valves Catalog-8

Push Rod Actuated (single) Typical Brake Valve TANK PORT PRESSURE PORT WITH |'| SPERICAL RADIUS BRAKE PORT POSITION (MINI.) Dimensions may vary slightly by model number. * Tank port is #8 SAE o-ring port. Consult MICO Applications Department for other available models and application detail. MICO, Inc. Form No. 84-466-001 Online Revision 2014-12-04

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Hydraulic Brake Valves Catalog-9

Lever Actuated Typical Brake Valve TANK PORT PRESSURE PORT BRAKE PORT NOTE: PORT ORIENTATION WITH RESPECT POSITION THE VALVE IS BOLTED MOUNTING HOLE MOUNT VALVE BASE DETAIL SPECIFICATIONS (no corresponding catalog code for these model numbers) The lever rotates 120° from full-off to full-on position and held in the full-on position by a finger release mechanism. Consult MICO Applications Department for other available models and application detail. MICO, Inc. Form No. 84-466-001 Online Revision 2014-12-04

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Hydraulic Brake Valves Catalog-10

Pedal Actuated (single) Typical Brake Valve Floor Mounted Pedal (vertical valve) millimeters inches Dimensions may vary slightly by model number. Nominal Brake Pressure Setting Tolerance Catalog Code (refer to page 5) Approximate Pedal Force at Pressure Setting Brake pressure setting range all models 20.7 bar (300 PSI) to 206.8 bar (3000 PSI) in standard 3.5 bar (50 PSI) increments Maximum input pressure all models 206.8 bar (3000 PSI) Consult MICO Applications Department for other available models and application detail.

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Hydraulic Brake Valves Catalog-11

Pedal Actuated (single with switch) Typical Brake Valve Floor Mounted Pedal (vertical valve) millimeters inches Dimensions may vary slightly by model number. SPECIFICATIONS Model Number Catalog Code (refer to page 5) Nominal Brake Pressure Setting Tolerance Approximate Pedal Force at Pressure Setting Brake pressure setting range all models. . . . . . . . . . . . . . . . . . 20.7 bar (300 PSI) to 206.8 bar (3000 PSI) in standard 3.5 bar (50 PSI) increments Maximum input pressure all models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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Hydraulic Brake Valves Catalog-12

Pedal Actuated (single) Typical Brake Valve Floor Mounted Pedal (horizontal valve) PRESSURE PORT- MOUNT VALVE MOUNTING HOLE - BRAKE PORT Dimensions may vary slightly by model number. Consult MICO Applications Department for other available models and application detail. MICO, Inc. Form No. 84-466-001 Online Revision 2014-12-04

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Hydraulic Brake Valves Catalog-13

Pedal Actuated (single) Typical Brake Valve Suspended Pedal (horizontal valve) MOUNTING HOLE MOUNT VALVE TANK PORT PRESSURE PORT Dimensions may vary slightly by model number. Consult MICO Applications Department for other available models and application detail. MICO, Inc. Form No. 84-466-001 Online Revision 2014-12-04

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