ESP02A
24Pages

Single pedal pilot control valve TECHNICAL CATALOGUE

First edition Updated diagrams metering curve Updated tables metering curve ABOUT THE MANUAL This manual contains the technical instructions for the servocontrol ESP02A. All information given in this manual is current and valid according to the information available at the time of publication. The data specified above only serve to describe the product. EBI Motion controls reserves to modify or revise the instructions without prior notice. EBI Motion controls is not responsible for any damage caused by an incorrect use of the product. Please visit www.ebimc.com for the most recent version...

INTRODUCTION GENERAL INFORMATION GENERAL INSTRUCTIONS DIMENSIONS - HYDRAULIC SYMBOL HYDRAULIC OPERATING PRINCIPLE INTENDE USE WARRANTY GENERAL SAFETY INSTRUCTIONS WARNING SYMBOL PRODUCT IDENTIFICATION UNITS OF MEASURE - CONVERSION FACTORS STANDARD CONNECTIONS PORT DETAILS TECHNICAL DATA HYDRAULIC FLUID APPLICATION AND SAFETY GUIDELINES HYDRAULIC STANDARD SPECIFICATIONS MATERIAL STANDARD SPECIFICATIONS GENERAL STANDARD SPECIFICATIONS SEALS STORAGE OF NEW PRODUCT SAFETY GUIDELINES ORDERING CODES BODY CLASSIFICATION FIXING PLATE PEDAL ASSEMBLY CONTROL ASSEMBLY METERING CURVE RETURN SPRING...

INTRODUCTION SERVOCONTROLS EBI motion controls servocontrols (joysticks and foot pedals) are used to control the work and drive hydraulics of modern mobile machines with high accuracy, safety and optimal performance. EBI motion controls servocontrols are maintenance free and have a long life cycle, are suited for specialized applications for a variety of mobile equipment such as: ESP02A PILOT CONTROL DEVICE IN PEDAL DESIGN FOOT PEDAL 1 AXIS Progressive and sensitive operation. Precise pressure control. Low operating effort. Optimised angular movements of foot pedal. Control element...

GENERAL INFORMATION HYDRAULIC OPERATING PRINCIPLE Foot pedal control device ESP02A is normally used to control a single double acting spool as a travel pedal on a tracked vehicle. This valve operates on the pressure reducing concept, using a constant inlet pressure, and providing a metered variable outlet pressure as a direct result of the pedal displacement. 5. Metering curve spring 6. Regulator spool 7. Return spring ESP02A basically consists of a foot pedal (1), two pressure reducing valves and body (8). Each pressure reducing valve includes regulator spool (6), metering curve spring...

GENERAL INSTRUCTIONS INTENDED USE Servocontrol ESP02A is designed for industrial use. WARRANTY Check the package and the product for transport damage when receiving goods. The package is not meant for long term storage; protect the product appropriately. Do not dismantle the product. The warranty is void if the product has been disassembled. The manufacturer is not responsible for damages resulting from misinterpreted, noncompliance, incorrect, or improper use of the product that goes against the instructions given in this document. GENERAL SAFETY INSTRUCTIONS The following instructions...

PRODUCT IDENTIFICATION The product identification data can be found on the identification plate attached to the EBI product. SERIAL NUMBER all manufacturing data and all sales data can be found with the serial number PART NUMBER CODE It is a number univocally identifying the configuration and pressure setting of a valve AREA FOR SERIAL NUMBER CODE AREA FOR PART NUMBER CODE Note: Serial number and part number code have 9 characters (letters and numbers). UNITS OF MEASURE - CONVERSION FACTORS LENGHT FLOW RATE FORCE WEIGHT Technical catalogue

DIMENSIONS - HYDRAULIC SYMBOL This drawing represents a ESP02A with standard assembly pedal and BSP configuration. Pedal deflection: ±11.3° STANDARD CONNECTIONS TYPE Technical catalogue

This drawing represents a ESP02A with P02 assembly pedal and BSP configuration. Pedal deflection: ±11.3° STANDARD CONNECTIONS TYPE Technical catalogue

This drawing represents a ESP02A with P03 assembly pedal and BSP configuration. Pedal deflection: ±11.3° STANDARD CONNECTIONS TYPE Technical catalogue

PORT DETAILS The connection port size is indicated by an ordering code common for all EBI products. Following tables show all available connections. Technical catalogue

TECHNICAL DATA All performances in this catalogue are obtained using mineral based hydraulic oil 46 cSt viscosity at 40°C (ISO VG 46 viscosity class). All ESP02A go through functional testing at these conditions before shipment. SEALS O-Rings: Buna N (acrylonitrile butadiene), also named NBR (according to ASTM), compatible with fluids having mineral oil base, water in oil emulsions, and water glycol fluids. These seals are standard for temperatures within the range -20°C and +80°C Back-up rings and Slide rings: strengthened PTFE (Politetrafluoroetilene like Teflon®, Lubriflon®, Ecoflon®, or...

HYDRAULIC FLUID Mineral oil based hydraulic fluids suitable for hydraulic systems can be used; they should have physical lubricating and chemical properties as specified by: MINERAL OIL BASED HYDRAULIC FLUIDS HL (DIN 51524 part 1) MINERAL OIL BASED HYDRAULIC FLUIDS HLP (DIN 51524 part 2) For use of environmentally friendly fluids (vegetable or polyglycol base), or other fluids, please contact EBI. COMPATIBLE SEAL Polyglycol-based aqueous solution HFC Hydraulic fluids are available in different viscosity classes identified by the ISO VG number, which corresponds to the kinematic viscosity at...

CONTAMINATION CLASS ISO 4406: It is expressed by 3 scale numbers representing respectively: the number of particles equal to or larger than 4μm, the number of particles equal to or larger than 6μm, the number of particles equal to or larger than 14μm contained in 1 ml of fluid. CONTAMINATION CLASS NAS 1638: It is expressed by one scale numbers representing the number of particles of different size ranges contained in 1 ml of fluid. FILTRATION RECOMMENDATION Contamination class Nominal filtration (micron) Absolute filtation rating ISO 4572 (BETA X≥75) System/components operating at HIGH...