Hydraulic Pressure Relief Valve Cutaway, Balanced Piston-Type
Model Number: 773-217
A full-size cutaway training aid for exploring hydraulic relief valve flow paths, components, operation, and maintenance.
Overview
DAC Worldwide’s Hydraulic Pressure Relief Valve Cutaway, Balanced Piston-Type (773-217) is a sectioned hydraulic, automatically triggered relief valve example with a two-stage balanced piston design, which incorporates a commonly-encountered valve type manufactured by an industry leader. These types of valves limit hydraulic system pressure by diverting a set amount of hydraulic fluid through a tank port. Common components include a pressure adjustment screw, poppet, heavy spring, vent connection, port connections, and a piston.
A specialized, angled formed-steel support assembly – and an on-board graphic of the component’s symbol – enhances the device’s usefulness to the instructor and encourages self-discovery by the student. Multiple cutaways unveil all internal components including pistons and inlet/outlet connections. The training aid also enhances classroom training in hydraulic system design, maintenance, troubleshooting, and preventive/predictive maintenance. The full-size, fully-detailed example gives learners a first-hand view into a component that is found in various applications worldwide.
Thanks to carefully planned sectioning, the complete internal configuration of this hydraulic relief control valve can be seen, while allowing for disassembly for more complete inspection and convenient classroom training in the operation, construction, and maintenance of these common pieces of hydraulic equipment. This professionally-crafted, yet-economical component sample will enhance fluid power training activities in both the industrial and the educational setting.
Features
- Industrial-relevant component selected from well-known US manufacturers
- Full component cutaway reveals flow path, internal components, and operating principle
- Two-stage balanced piston design
- Multiple cutaways expose pistons and inlet/outlet connections
- Powder-coated 13-gauge formed-steel mounting bracket
- Can be independently supported/displayed or mounted on optional baseplates and display structures
- High-durability urethane coating on external surfaces when warranted
- Adhesive-backed identification label with component description and symbol
Specifications
- Model: 773-217
- Product type: Hydraulic Pressure Relief Valve Cutaway, Balanced Piston-Type
- Valve design: Two-stage balanced piston
- Function: Limits hydraulic system pressure by diverting a set amount of hydraulic fluid through a tank port
- Visible components: Pressure adjustment screw, poppet, heavy spring, vent connection, port connections, and piston
- Cutaway details: Multiple cutaways unveil all internal components including pistons and inlet/outlet connections
- Support structure: Specialized angled formed-steel support assembly
- Mounting bracket: Powder-coated 13-gauge formed-steel
- Display/mounting: Independent support/display or mounting on optional steel baseplates and display structures
- Labeling: Durable membrane-type, adhesive-backed identification label with component description and symbol
Topics Covered
- Hydraulic pressure relief valve operation
- Two-stage balanced piston valve design
- Valve flow path and operating principle
- Identification of internal valve components
- Hydraulic system design
- Maintenance of hydraulic relief valves
- Troubleshooting hydraulic systems
- Preventive and predictive maintenance
Hands-On Training
Carefully planned sectioning allows learners to see the complete internal configuration of the valve while also permitting disassembly for closer inspection. Multiple cutaways provide a first-hand view of internal components, pistons, and inlet/outlet connections, making the device well suited for lab-style exploration of real hydraulic equipment.
Curriculum
This training aid supports classroom instruction in hydraulic system design, maintenance, troubleshooting, and preventive/predictive maintenance. It is also suited for teaching the operation, construction, and maintenance of hydraulic relief control valves used in industrial and educational fluid power programs.
Options & Accessories
- Optional steel mounting baseplates
- Optional display structures
- Optional storage structures
Add On Products
Items Included
- Sectioned hydraulic pressure relief valve cutaway
- Specialized angled formed-steel support assembly
- On-board graphic of the component symbol
- Powder-coated 13-gauge formed-steel mounting bracket
- Durable membrane-type, adhesive-backed identification label with component description and symbol