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Our 4-inch (100mm) All Stainless Steel Liquid Filled Pressure Gauge is engineered specifically for the most demanding industrial environments. With a robust 0-2.5MPa / 0-25kgf/cm² dual-scale range, radial connection, and heavy-duty bezel ring, this instrument excels as both a reliable mud pump pressure gauge and a versatile liquid filled hydraulic pressure gauge. Factory-filled with glycerin, it delivers unparalleled shock and vibration resistance for continuous, accurate operation under extreme conditions.
Key Features & Benefits
Superior Shock & Vibration Resistance: The glycerin filled chamber completely dampens pointer oscillation from intense pump pulsation, hammering shocks, and equipment vibration, ensuring a stable, readable display at all times.
Mud Pump & Hydraulic Ready: Built as the ultimate mud pump pressure gauge, it withstands the harsh, abrasive, and high-pulsation environment of drilling and pumping operations. It's equally effective as a liquid filled hydraulic pressure gauge on heavy machinery.
Robust Physical Protection: Features a heavy-duty bezel ring and a solid front design for maximum protection against accidental impacts, overpressure, and environmental hazards.
Excellent Readability: The large 4-inch (100mm) dial with high-contrast dual scales (MPa and kgf/cm²) allows for clear, precise readings from a distance, even in low-light conditions.
Full Corrosion Resistance: Constructed entirely from 316 stainless steel, this gauge resists corrosion from water, chemicals, saline environments, and aggressive hydraulic fluids.
Technical Specifications
Specification
Detail
Dial Size
4 inches / 100 mm
Pressure Range
0-2.5MPa / 0-25kgf/cm² (Dual Scale)
Connection
Radial (Bottom/Back Connection)
Thread Size
1/2" NPT or G1/2 (Standard)
Case Material
316 Stainless Steel (Full Body)
Fill Fluid
Glycerin (Industrial Grade)
Special Feature
Heavy-Duty Bezel Ring
Accuracy Class
±1.6% FS (Standard)
Window
Laminated Safety Glass
Why Glycerin Fill is Critical for Demanding Applications
As a true pressure gauge glycerin filled for performance, this design is non-negotiable for harsh applications:
Total Pulsation Damping: Essential for mud pump pressure gauges where fluid pulses are extreme.
Internal Lubrication: The glycerin lubricates the movement, dramatically extending service life under constant vibration.
All-Environment Operation: Prevents internal fogging, condensation, and protects against temperature extremes.
Safety Enhancement: The liquid fill supports a "solid front" safety design, containing any potential internal rupture.
Typical Applications
This industrial-grade gauge is the preferred choice for:
Oil & Gas Drilling Rigs (Mud Pumps, Cementing Units)
Heavy-Duty Hydraulic Systems (Presses, Excavators, Lifts)
High-Pressure Water Jetting and Cleaning Systems
Mining and Mineral Processing Equipment
Shipboard Hydraulic and Marine Systems
Any high-vibration, high-shock industrial process.
Ordering & Technical Support
We provide robust solutions for the most challenging pressure measurement points. Contact us for custom ranges, certifications, or application engineering support.
For expert advice on selecting the right gauge for your mud pump or hydraulic system:
Oingdao DaZeFengYang MeterWelding lnstruments Co, Ltd. is one professional pressure gauge and hardware tools
manufacturer, who is also one member of China National Hardware Association.
Together with our highly skiled technical experts, we have put an effort to meet the quality of pressure gauge as ... Oingdao DaZeFengYang MeterWelding lnstruments Co, Ltd. is one professional pressure gauge and hardware tools
manufacturer, who is also one member of China National Hardware Association.
Together with our highly skiled technical experts, we have put an effort to meet the quality of pressure gauge as ...
