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MARSH FUNNEL WITH MEASURING CUP AZA0811
The AZA0811 Marsh Funnel with Measuring Cup is a simple, reliable device used to determine the viscosity of drilling muds, bentonite slurries, cement slurries, and similar suspensions in both field and laboratory environments. It provides a fast and practical method to assess flow characteristics critical to drilling operations, soil stabilization, grouting, and geotechnical engineering.
The instrument includes a conical Marsh Funnel—manufactured from high-impact polypropylene or optional stainless steel—and a 1-liter graduated measuring cup. During the test, the time taken for 946 mL (1 US quart) of slurry to flow through the funnel orifice is recorded in seconds. This value serves as an index of slurry viscosity and is widely accepted in compliance with API RP 13B-1 and ASTM D6910 standards.
Description
Application and Use
In drilling operations, bentonite slurry stabilization, diaphragm wall construction, and foundation engineering, maintaining proper slurry viscosity is crucial. The Marsh Funnel test helps detect:
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Too low viscosity → inadequate cuttings transport or borehole instability
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Too high viscosity → pumping difficulty, excessive pressure, or poor filtration control
The AZA0811 provides a rapid, on-site viscosity check to maintain optimal fluid performance and quality.
- Measures viscosity of drilling mud and slurries
- Includes funnel and 1-liter graduated cup
- Complies with API RP 13B-1 and ASTM D6910
- Rugged plastic or stainless-steel construction
- Ideal for quick field and lab slurry testing
How It Works
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Block the funnel outlet with a finger.
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Pour the test fluid into the funnel up to the marked fill line.
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Remove the finger and start timing immediately.
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Collect the discharged fluid in the 946 mL (1-quart) measuring cup.
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Record the flow time in seconds—this is the viscosity index.
Higher flow time indicates higher viscosity.
Features and Benefits
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Portable & Field-Ready: Lightweight, easy to carry, perfect for remote site use.
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Fast Results: Provides viscosity readings in less than 60 seconds.
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High Durability: Plastic and stainless steel options resist corrosion, wear, and impact.
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Accurate Volume Control: Comes with a 1-liter / 946-mL graduated cup for precise measurement.
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Standard Compliant: Fully follows API RP 13B-1 and ASTM D6910 test methodologies.
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Easy to Clean: Smooth internal surfaces reduce slurry adhesion.
Specifications
| Parameter | Specification |
|---|---|
| Model | AZA0811 |
| Funnel Material | Polypropylene / Stainless Steel (Optional) |
| Funnel Capacity | ~1.5 Liters |
| Orifice Diameter | 0.1875 in (4.76 mm) |
| Graduated Cup Volume | 946 mL (1 US quart) |
| Measurement Range | 0–100+ seconds (fluid-dependent) |
| Compliance Standards | API RP 13B-1, ASTM D6910 |
| Applications | Drilling Fluids, Slurry Testing, Soil Stabilization |
Frequently Asked Questions (FAQ)
Q1: What is the Marsh Funnel used for?
It measures the viscosity of drilling mud, bentonite slurry, cement slurry, and similar suspensions.
Q2: Does it comply with international standards?
Yes, it follows API RP 13B-1 and ASTM D6910 specifications.
Q3: Is the measuring cup included?
Yes, a 1-liter graduated cup is included.
Q4: Can it be used for cement slurry?
Absolutely. It is commonly used for testing cement, bentonite, and polymer slurries.
Q5: Is it reusable?
Yes. With proper cleaning, the funnel and cup can be used for hundreds of tests.
Additional information
| Funnel Material |
Polypropylene / Stainless Steel (optional) |
|---|---|
| Funnel Capacity |
~1.5 liters |
| Orifice Diameter |
0.1875 in (4.76 mm) |
| Graduated Cup Volume |
946 mL (1 US quart) |
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