Product Overview
In aerospace hydraulic systems, safety valves automatically open to relieve pressure when it rises abnormally, preventing system overload and playing a crucial role in protecting actuators, seals, and piping.
MH's 1.5mm low-pressure safety valve is specifically designed for aerospace hydraulic conditions, featuring precise opening pressure, reliable reseating, and strong adaptability to a wide temperature range, making it suitable for long-term use in high-reliability systems.

Key Parameters
|
Product Type |
Low-Pressure Safety Valve / Pressure Relief Valve |
|
Nominal Diameter (DN) |
1.5 mm |
|
Opening Pressure |
(1.96 ± 0.1) MPa |
|
Closing Pressure |
≮ 1.67 MPa |
|
Minimum Flow Rate |
≮ 0.1 L/min |
|
Working Medium |
No. 10 aviation hydraulic oil |
|
Medium Temperature Range |
-55℃ ~ +135℃ |
Typical Applications
Overpressure protection for aviation hydraulic systems
01
Safety pressure relief for actuators and control circuits
02
Precision hydraulic testing and verification equipment
03
High-reliability equipment hydraulic systems
04
Hydraulic circuits requiring high pressure control accuracy
05
Customers Worldwide
MH has 70 years aviation valve design and manufacture experience for Chinese customers in aviation and aerospace, we also have cooperated some world leading customers for more than 20 years:

Testing Equipment
MH is equipped with comprehensive measurement and testing equipment, capable of meeting the measurement needs of complex parts and testing of various fluid accessories, providing customers with all-round quality testing services.








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