The Mercury RH4 High Pressure Regulator is a precision-engineered device designed to regulate and control compressed air pressure in high-pressure industrial applications. Equipped with an integrated pressure gauge and robust construction, this regulator ensures accurate pressure monitoring and stable output performance.
The Mercury RH4 pressure regulator is ideal for systems requiring reliable pressure control up to 40 bar, making it suitable for demanding pneumatic environments.
Overview
The Mercury RH4 High Pressure Regulator is built for high-pressure air systems where consistent and controlled output pressure is critical. It features a piston-type self-relieving mechanism that automatically adjusts pressure and ensures system safety.
With a sturdy aluminum body and nitrile rubber seals, this regulator provides durability, corrosion resistance, and long operational life.
Key Features:
- High pressure regulation up to 40 bar
- Integrated pressure gauge for accurate monitoring
- Piston-type self-relieving design
- Durable aluminum body construction
- Compact and rugged industrial design
- Reliable and stable pressure control
- Suitable for high-flow applications
- Easy installation with 1/2″ BSP connection
Technical Specifications:-
- Product Type: High Pressure Regulator with Gauge
- Brand: Mercury
- Model: RH4
- Pressure Range: 0–40 Bar
- Connection Size: 1/2″ BSP (Female)
- Body Material: Aluminum
- Seal Material: Nitrile Rubber
- Media: Compressed Air (filtered & lubricated)
- Temperature Range: -5°C to +50°C
- Flow Rate: Approx. 2500 NLPM at 5 bar
- Leakage: Bubble tight
Working Principle:
The Mercury RH4 pressure regulator operates using a piston-based mechanism:
- Compressed air enters the regulator
- The adjustment handle controls the internal spring tension
- The piston adjusts valve opening to maintain desired pressure
- Excess pressure is relieved automatically through the self-relieving system
This ensures consistent and safe pressure regulation in high-pressure systems.
Applications:
The Mercury RH4 High Pressure Regulator is widely used in:
- PET blowing and moulding machines
- Industrial pneumatic systems
- High-pressure air control systems
- Manufacturing and automation industries
- Air compressor distribution systems
Performance Benefits:
- Accurate and stable pressure control
- Protects equipment from pressure fluctuations
- Improves efficiency of pneumatic systems
- Durable and reliable in industrial environments
- Reduces maintenance and downtime
The Mercury RH4 High Pressure Regulator With Gauge 0–40 Bar 1/2″ is a dependable solution for high-pressure air regulation. With its robust construction, precise control, and integrated gauge, it ensures efficient and safe operation in industrial systems.
If you are looking to buy Mercury RH4 pressure regulator, this Mercury RH4 pressure regulator offers durability, precision, and high performance for demanding applications.
FAQs – Mercury RH4 High Pressure Regulator With Gauge 0-40Bar 1/2″:
1.What makes the RH4 High Pressure Regulator ideal for precise pressure control?
The RH4 High Pressure Regulator ensures accurate pressure adjustment and stable output, allowing safe and efficient operation in high-pressure systems.
2.Can the RH4 High Pressure Regulator handle varying pressure conditions up to 40Bar?
Yes, the RH4 High Pressure Regulator is designed to maintain consistent performance across a wide pressure range, making it reliable under fluctuating conditions.
3.Is the RH4 High Pressure Regulator compatible with industrial air and gas systems?
Yes, the RH4 High Pressure Regulator works effectively with compressed air and other non-corrosive gases, providing safe and controlled regulation in industrial applications.
4.Does the compact design of the RH4 High Pressure Regulator allow easy installation?
Yes, the RH4 High Pressure Regulator features a compact design that enables installation in tight or limited-space piping layouts while maintaining reliable high-pressure regulation.




Excellent regulator! Handles high pressure smoothly and the gauge is very accurate. Installation was simple, and the build quality feels premium.
Very reliable product. Maintains consistent pressure even under heavy usage. Mercury RH4 is ideal for industrial pneumatic systems.
Good performance overall. Gauge reading is clear and responsive. Slight adjustment knob stiffness, but otherwise excellent regulator.
Compact and efficient. Works perfectly for high-pressure applications. Mercury never compromises on quality.
Highly satisfied! Smooth operation, accurate gauge, and durable construction. Perfect for my workshop compressor setup.