UG-97/7
shuttle valve
Description
UG-97/7 Hydraulic shuttle valve
UG-97/7 is a hydraulic shuttle valve that automatically connects wheel brakes to the main or emergency braking network when either pressure source is activated. The unit is an independent functional component of the applicable onboard system. Selection should be based on the complete designation, working medium, setting and installation diagram rather than appearance alone.
Full descriptionCollapse description
Operating principle of UG-97/7
Pressure arriving from either inlet displaces the internal shuttle, closes the opposite inlet and connects the active network to the common outlet. This automatic selection prevents one brake-pressure source from discharging into the other. Reliable operation depends on clean working fluid, the moving element, seat, springs and seals. Contamination, reversed connections or an unsuitable pressure can prevent the intended response.
Role in the aircraft system
An-24 / An-26 wheel-braking system; technical documentation places two UG-97/7 valves in the main landing-gear wheel-well area for main/emergency brake selection. The valve works with pipelines, a pressure source, downstream equipment and the control elements of its circuit. These products are functionally related but must not be described as interchangeable merely because they operate in the same system.
Installation and maintenance checks
Before installation, verify the nameplate, ports, flow direction, internal cleanliness and seal condition. Working pressure, temperature, fluid and the prescribed functional test must come from the passport and maintenance documentation. Adjustment without approved instructions is not permitted. Incoming-inspection results should remain with the product records.
Identifying UG-97/7 for ordering
Verify the complete UG-97/7 marking and the three port assignments. Other UG-97 suffixes and UG97-8 are related executions, not automatic substitutes. Other related products are listed in the valves category. An enquiry should state the complete designation, execution, condition, delivery set and required supporting documents.
Technical details
- Product Type
- Hydraulic shuttle valve
- Designation
- UG-97/7
- Russian Designation
- УГ-97/7
- Function
- automatically connects wheel brakes to the main or emergency braking network when either pressure source is activated
- Operating Principle
- Pressure arriving from either inlet displaces the internal shuttle, closes the opposite inlet and connects the active network to the common outlet. This automatic selection prevents one brake-pressure source from discharging into the other.
All specificationsCollapse specifications
- System / Applicability
- An-24 / An-26 wheel-braking system; technical documentation places two UG-97/7 valves in the main landing-gear wheel-well area for main/emergency brake selection.
- Working Medium
- Aircraft hydraulic fluid specified by the braking-system documentation
- Operating Pressure
- According to the exact product passport and system diagram
- Operating Temperature
- According to the product passport and aircraft documentation
- Installation
- According to flow direction, port assignment and the diagram of the specific system
- Ordering Check
- Verify the complete UG-97/7 marking and the three port assignments. Other UG-97 suffixes and UG97-8 are related executions, not automatic substitutes.
- Documentation
- Product passport, illustrated parts catalogue, system diagram and available test records
Payment & delivery
Orders ship from our hub in Dubai. Partner stock is first transferred to Dubai, then shipped to you.
Dubai stock: 100% before dispatch. Partner stock (Remote stock) and Pre-order: 50% advance payment to start the order and 50% before shipment from Dubai to you.
Availability, lead time, delivery cost and payment terms are confirmed for your order before payment.
Payment & delivery terms