
Y-40BF Radial Stainless Steel Pressure Gauge
The Y-40BF radial pressure gauge is a compact and high-precision instrument designed for measuring pressure in a wide range of industrial applications. Featuring a robust 304 […]

Application
- Petrochemical equipment
- Metallurgy industry
- Mining industry
- Medical industry
- Power and energy systems
- Industrial equipment
- Maintenance and repair applications
Description
The Y-40BF radial pressure gauge is a compact and high-precision instrument designed for measuring pressure in a wide range of industrial applications. Featuring a robust 304 stainless steel case and 316L stainless steel wetted parts, it provides excellent corrosion resistance and long-term durability.
Its unique airtight sealing structure effectively protects internal components from environmental contamination, ensuring stable and reliable performance. The gauge is suitable for measuring pressure of liquids, gases, and steam that are non-explosive, non-crystallizing, and non-corrosive to copper and copper alloys.
With its clear dial, precise scale, and easy operation, the Y-40BF is an ideal solution for hydraulic, pneumatic, and water pressure systems.
Dimension
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Features
- All stainless steel construction for corrosion resistance
- Unique airtight structure protects internal mechanism
- Stable and reliable pressure measurement
- Clear and precise dial for easy reading
- Compact size for space-saving installation
- Suitable for liquid, gas, and steam measurement
- Durable design for long service life
Technical Details
Model:
Y-40BF
Dial Diameter:
40mm
Connection Type:
Radial (Bottom Mount)
Thread Connection:
NPT 1/4
Case Material:
304 Stainless Steel
Wetted Parts:
316L Stainless Steel
Accuracy Class:
2.5
Weight:
65.8g
Operating Temperature:
-5°C to 55°C
Relative Humidity:
≤85%
Temperature Influence:
≤0.4%/10°C (based on 20±5°C)
Accessories
What is a pressure gauge used for?
A pressure gauge is used to measure the pressure of gases, liquids, or steam in industrial systems.
How does a pressure gauge work?
Most pressure gauges use a Bourdon tube mechanism. Pressure causes the tube to deform and move the pointer.
What media can these pressure gauges measure?
They can measure gas, liquid, and steam that are non-corrosive, non-crystallizing, and non-explosive.
What is the accuracy of the pressure gauge?
The standard accuracy is Class 1.6 or Class 2.5.
What is the working temperature range?
Typically from -20°C to +70°C.
What pressure ranges are available?
From vacuum (-0.1 MPa) to high pressure (up to 60 MPa depending on model).
What are the connection thread types?
Common threads include M14×1.5 and M20×1.5.
What installation types are available?
Radial (bottom), axial (back), and panel mounting are available.
How to choose the right pressure gauge?
Consider medium, pressure range, dial size, accuracy, and installation type.
When should a pressure gauge be replaced?
When readings are inaccurate, pointer does not return to zero, or damage occurs.
What does “BF” mean in these models?
“BF” indicates a stainless steel pressure gauge structure with radial (bottom) connection design.
What makes stainless steel pressure gauges different from standard ones?
Stainless steel gauges offer higher corrosion resistance and durability, making them suitable for harsh industrial environments.
What environments are these stainless steel gauges suitable for?
They are suitable for chemical, petroleum, marine, power, and industrial hydraulic systems.
Can stainless steel pressure gauges be used with corrosive media?
Yes, they are designed for many corrosive gases and liquids, depending on material compatibility.
What industries use the Y-40BF stainless steel pressure gauge?
The Y-40BF is commonly used in small equipment and OEM systems with limited installation space.
Can these gauges be used outdoors?
Yes, stainless steel housing provides better protection against weather and corrosion.
Why choose stainless steel over brass case gauges?
Stainless steel is stronger, more corrosion-resistant, and suitable for aggressive media and harsh environments.
What should be considered when selecting between these models?
Choose based on installation space, readability requirement, and application environment severity.




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