Jensen Mixers Inc. — Heavy-Duty Side-Entry Tank Mixers
Exclusive Sole Agent in Indonesia: PT. Atlas Prima Internasional
Jensen Mixers Inc. (Tulsa, Oklahoma, USA) is the global benchmark for heavy-duty side-entry mixers engineered specifically for crude oil storage, sediment/water (B.S. & W.) suspension, product blending, and thermal homogenization in bulk petroleum storage tanks. PT. Atlas Prima Internasional is the sole authorized representative in Indonesia, supporting Pertamina refineries, oil terminals, and offshore facilities for over 40 years.
Model Series & Sizing Matrix
| Model / Series | Drive Type & Configuration | Tank Capacity Range | Key Features & Applications |
|---|---|---|---|
| Jensen Series 400 | Heavy-Duty Vari-Angle 60° Gear Drive | 20,000 to 1,000,000+ Barrels | 60° sweep angle to clean entire tank floor without dead spots. Standard for crude oil storage. |
| Jensen Series 500 | Fixed-Angle Heavy-Duty Gear Drive | 10,000 to 500,000 Barrels | Constant direction blending, asphalt storage, fuel oil homogenization. |
| Jensen Series 600 | Belt Drive (Fixed & Vari-Angle options) | 5,000 to 300,000 Barrels | Clean refined product blending, chemical storage, quiet belt operation. |
| Jensen Series 100/200 | Compact Light-Duty Side Entry | Up to 30,000 Barrels | Chemical additive tanks, petrochemical process vessels. |
Competitor Cross-Reference & Replacement Matrix
| Competitor Brand / Model | Jensen Equivalent Model | Retrofit Compatibility | Key Advantage of Jensen Mixers |
|---|---|---|---|
| Lightnin (SPX Flow) 80 Series / VSF | Jensen Series 400 Vari-Angle | Direct ANSI Manway Flange Fit | 60° sweep angle cleans 100% of tank floor; mechanical seal change without tank draining |
| Chemineer HS / HT Side Entry | Jensen Series 400 / 500 | Drop-In Mounting Flange | Heavy-duty helical gearing with higher service factor under severe crude sludge loads |
| Philadelphia Mixers (PMS Series) | Jensen Series 400 | Direct Bolt-On Replacement | Proven 40+ year Pertamina field track record with local spare parts and seal refurbishment in Indonesia |
| Hayward Gordon Side Entry | Jensen Series 500 / 600 | Direct Replacement | Superior shaft runout tolerance and heavy-duty mechanical seal shut-off safety mechanism |
Technical Advantages & Engineering Features
- 60° Vari-Angle Positioning: Operators can rotate the mixer 30° left or 30° right from center while the unit is running to sweep sediment off the entire tank bottom.
- Mechanical Seal Shut-Off Device: Patented mechanical shut-off feature allows mechanical seal replacement without draining the storage tank, saving thousands of barrels of downtime and product transfer costs.
- Rugged Cast Iron Gearbox & Shafts: Oversized 316 Stainless Steel shafts and precision-ground helical gearing designed for continuous 24/7/365 operation.
How to Request a Quote or Cross-Reference (RFQ)
Please provide the following data for an accurate mixer sizing or competitor retrofit:
- Existing Mixer Brand / Model (e.g., Lightnin 84-Q-25, Chemineer 5-HSO-15, or New Tank Project)
- Tank Dimensions: Diameter, height, maximum liquid depth, and roof type (floating/fixed).
- Fluid Characteristics: Specific gravity, viscosity (cSt / SSU), operating temperature, and BS&W percentage.
- Power Availability: Voltage, Frequency (50 Hz / 60 Hz), Explosion-proof motor class.