Oil Testing Centrifuge

Oil Testing Centrifuge Accessories

<h2>What Are Oil Testing Centrifuge Accessories?</h2>
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Oil testing centrifuge accessories are the consumable and hardware components required to perform ASTM-compliant petroleum centrifuge tests. These include ASTM-calibrated borosilicate glass centrifuge tubes, tube cushions, rotor assemblies for different tube formats, replacement stoppers, and temperature-verification tools for heated chamber calibration. Since ASTM methods specify the exact tube format to be used, selecting the correct accessories is essential for maintaining test accuracy, compliance, and reliable BS&amp;W measurements.
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<h2>What You Will Find</h2>
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<ul>
<li>Spare Round Buckets: Replacement buckets for oil testing centrifuge systems</li>
<li>Adapters for Pear-Shaped Tubes: Ensure secure placement during petroleum testing procedures</li>
<li>Adapters for Conical Tubes: Support different ASTM sample tube configurations</li>
<li>Pear-Shaped Oil Test Tubes: Designed for standard fuel oil and crude oil analysis methods</li>
<li>Conical Oil Test Tubes: Suitable for multiple petroleum testing applications</li>
<li>Spare Bucket Inserts: Maintain proper tube alignment and stability during centrifugation</li>
</ul>
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<h2>How to Choose Oil Testing Centrifuge Accessories</h2>
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ASTM Tube Type Selection
Begin by identifying the ASTM method being performed. Pear-shaped and cone-style 100 mL tubes are commonly used for D96, D1796, and D4007 methods, while finger or capillary tubes support D2273 and D2709 procedures. Using the correct tube format is essential for obtaining compliant and reproducible results.
Tube Cushion Matching
Each tube style requires a matching cushion or insert that supports the glass body during centrifugation. Properly fitted cushions minimize vibration, reduce breakage risk, and maintain accurate positioning within the rotor assembly.
Rotor Assembly Selection
Many oil testing centrifuges support interchangeable rotor assemblies for different ASTM methods. Verify that the selected rotor is compatible with both the centrifuge model and the required tube format to ensure the correct operating conditions and centrifugal force.
Replacement Stoppers
Rubber and silicone stoppers experience wear from repeated exposure to solvents and elevated temperatures. Inspect stoppers regularly and replace them if cracking, swelling, or poor sealing performance is observed to maintain safe and reliable operation.
Temperature Verification Equipment
Heated petroleum centrifuges require periodic temperature verification to maintain ASTM compliance. Calibrated thermometers or thermocouple systems help confirm that operating temperatures remain within acceptable tolerances during routine testing procedures.
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<h2>Specifications Context</h2>
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ASTM-compliant petroleum centrifuge tubes are manufactured from borosilicate glass and must meet strict dimensional and graduation requirements. Proper tube selection, matched cushions, and compatible rotor assemblies all contribute to accurate BS&amp;W measurements and reliable laboratory performance.
Modern petroleum testing laboratories increasingly rely on durable etched graduations, improved sealing materials, and enhanced temperature-monitoring accessories to support long-term compliance with ASTM and industry testing standards.
So what are you waiting for? <a href="https://mbpinc.net/contact-us">Contact our expert team</a> at Molecular Biology Products Inc. to find the right oil testing centrifuge accessories for your lab.

Adapter for conical oil test tube, 2/pk

Z600-OL-CTC by Hermle is a 2-pack adapter set that converts the OLEUM Oil Testing Centrifuge (Z600-OL) rotor for use with ASTM pear-shaped and conical oil test tubes. Supplied in matched pairs for balanced rotor loading — order via Quick Order at mbpinc.net/quickorder using catalog number Z600-OL-CTC.

Manufacture

Adapter for pear shaped oil test tube, 2/pk

The Z600-OL-PTC by Hermle is a 2-pack of pear-shaped ASTM oil test tube adapters for the Z600-OL-COM swing-out rotor on the Hermle OLEUM Z600-OL oil-testing centrifuge (3,000 rpm / 2,216 × g). For conical ASTM tube format, use the Z600-OL-CTC adapter (sold separately).

Conical oil test tube, each

The Z600-OL-CT by Hermle is a conical oil test tube sold individually for use with the Hermle Z600-OL OLEUM oil-testing centrifuge (200–3,000 rpm, max 2,216 xg, ASTM-compliant). Designed for petroleum BS&amp;W analysis and sediment testing. Requires Z600-OL-CTC adapter (sold separately). Available from MBP Inc.

<h2>What Are Oil Testing Centrifuges?</h2>
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Oil testing centrifuges (petroleum centrifuges) are specialized heated-chamber instruments used to determine the basic sediment and water (BS&amp;W) content of crude oils, fuel oils, and lubricating oils by spinning calibrated ASTM-compliant borosilicate glass tubes at 500&ndash;2,200 RPM (500&ndash;1,327 &times;g) for 10 minutes. The separated water and sediment volume is read directly from the graduated glass tube at the bottom of the tube. These instruments comply with ASTM D1796 (fuel oils), ASTM D4007 (crude oil), ASTM D2273 and D2709 (trace sediment in lubricating oils and middle distillates), ASTM D893 (insolubles in used oils), and related API, ISO, and DIN methods. Heated chambers reduce viscosity in heavy fuel oils and waxy crude samples, enabling accurate separation within standard testing cycles.
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<h2>What You Will Find</h2>
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<ul>
<li><a href="https://mbpinc.net/equipments/centrifuges/oil-testing-centrifuge/oil-testing-centrifuge-accessories">Oil Testing Centrifuge Accessories:</a> Including oil pear-shaped and conical test tubes, tube adapters, and additional buckets with inserts for stable and secure centrifuge operation.</li>
</ul>
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<h2>How to Choose an Oil Testing Centrifuge</h2>
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ASTM Method Compliance
Identify the ASTM methods required by your laboratory before selecting a centrifuge. Methods such as D1796 and D4007 are commonly used for fuel oils and crude oils, while D2273 and D2709 require higher precision and specialized tube formats. Ensure the selected model supports all applicable testing standards and corresponding accessories.
Tube Type Compatibility
Different ASTM methods require specific tube formats, including pear-shaped, long-cone, short-cone, and finger tubes. Laboratories running multiple methods benefit from centrifuges that allow quick rotor changes and support several tube configurations within a single instrument.
Heated Chamber Temperature Range
Most petroleum testing methods require operation at 60&deg;C, although some heavy crude applications demand temperatures approaching 93&deg;C. Digital temperature control with accurate monitoring helps maintain compliance and ensures consistent test results across sample types.
Throughput Requirements
Four-place models typically process two samples per run, while six-place units increase throughput for high-volume laboratories. Selecting the appropriate capacity helps optimize turnaround times and improve workflow efficiency.
Digital Programmable Controls
Modern oil testing centrifuges feature programmable settings that allow operators to store method-specific parameters, including speed, temperature, and run duration. Automated acceleration and deceleration functions help protect delicate glass tubes and minimize operator error.
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<h2>Specifications Context</h2>
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Standard BS&amp;W testing methods typically require operation within defined centrifugal force ranges and fixed run times using approved solvents. Long-cone tubes provide greater measurement resolution, while pear-shaped tubes remain common for routine fuel oil testing applications. Proper tube cushions and adapters are essential to protect glassware during acceleration and deceleration cycles.
Modern heated petroleum centrifuges incorporate digital temperature regulation, programmable controls, and improved safety features to support refinery, terminal, and pipeline laboratory operations. These advancements help maintain compliance with evolving ASTM and industry standards.
The right oil testing centrifuge can be yours today. <a href="https://mbpinc.net/contact-us">Contact the expert team</a> at Molecular Biology Products Inc. to find the ideal solution for your laboratory needs.

Product Literature

OLEUM Oil Testing Centrifuge, 230V ONLY

The Z600-OL OLEUM Oil Testing Centrifuge by Hermle is a stand-alone instrument for determining water content in petroleum products and lubricants using pear-shaped or conical ASTM oil testing tubes. It runs 4 × 100 mL samples per cycle at a continuously variable 200–3,000 RPM (up to 2,216 × g) via a 4-place swing-out rotor, with a stainless steel chamber, motorized lid lock, active imbalance detection, and programmable acceleration ramps. Operates at 230V ONLY, 950W; dimensions 56 × 64 × 41 cm, weight 72 kg. Rotor and cushions sold separately.

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Pear shaped oil test tube, each

The Z600-OL-PT by Hermle (Benchmark Scientific) is a 100 mL pear-shaped borosilicate glass oil centrifuge tube (58 × 158 mm, 1.5 mL stem) conforming to ASTM D96 and D2709, designed for the Hermle Z600 OLEUM oil-testing centrifuge at up to 3,000 rpm / 2,216 × g. Sold individually as a replacement for water-and-sediment-in-oil testing in petroleum QC labs.

Spare inserts for Z600-OL-BUK, 2/pk

The Z600-OL-INS by Hermle is a pack of two replacement inserts for the Z600-OL-BUK round buckets of the Hermle OLEUM Oil Testing Centrifuge (Z600-OL). The inserts hold 100 mL conical or pear-shaped ASTM oil test tubes in the swing-out rotor buckets during petroleum water content and sediment determination per ASTM standards. Order at mbpinc.net or contact MBP for institutional pricing.

Spare round buckets for Z600-OL-COM, 2/pk

Spare round buckets for the Hermle Z600-OL-COM OLEUM oil testing centrifuge, 2/pk. Fits the 4-position swing-out rotor; accepts ASTM 100 ml conical or pear-shaped oil testing tubes with Z600-OL-INS inserts. For ASTM bitumen/asphalt oil content testing labs.