Jensen Series 800 & 900 Side Entry Tank Mixers – Belt & Gear Drive, 30–75 HP | Jensen Mixers
HomeSeries 800 & 900
Belt & Gear Drive · 30–75 HP · Made in the USA

Jensen Series 800 / 900 Mixers

Petro-Block · Phoenix Propeller · Sentry System · Draw-Lock — All Standard

Jensen Series 800 Belt Driven Side Entry MixerSeries 800 – Belt Driven
Jensen Series 900 Gear Driven Side Entry MixerSeries 900 – Gear Driven
70+
Years of side-entry mixer exclusivity
4
Jensen-exclusive innovations standard
#1
Inventor of the side-entry mixer

Over 70 years ago, Jensen Mixers built the first side-entry mixer — creating an entirely new industry. The 800 & 900 Series continue that tradition with added safety standards and improved performance, maintaining the same design concepts respected by technicians for decades while introducing new innovations.

Jensen focuses exclusively on side-entry mixers — giving them over 70 years of dedicated expertise and a reputation as one of the most respected mixer manufacturers in the world.

Model Specifications

All models include Sentry Notification System, Petro-Block, Phoenix Propeller, and Draw-Lock as standard.

Specification830 / 930875 / 975
Series800 Series900 Series
HP (Max)3075
Shaft RPM430430
Drive TypeBelt DriveGear Drive
Angle OptionsFixed & Vari-AngleFixed & Vari-Angle
Mech. ActuatorOptionalOptional
Mechanical SealDouble (Single opt.)Double (Single opt.)

800 Series

Model 830 / 930
30 HP
Max HP
430
Shaft RPM

The 830/930 delivers up to 30 HP via belt drive. Fixed and variable angle designs are available. A mechanical actuator is optional on variable-angle configurations.

  • Phoenix Propeller
  • Sentry Notification System
  • Petro-Block Safety System
  • Draw-Lock
  • Double Mechanical Seal

900 Series

Model 875 / 975
75 HP
Max HP
430
Shaft RPM

The 875/975 delivers up to 75 HP via gear drive for high-demand petroleum applications. All the same Jensen-exclusive safety innovations as the 830/930 in a higher-power package.

  • Phoenix Propeller
  • Sentry Notification System
  • Petro-Block Safety System
  • Draw-Lock
  • Double Mechanical Seal

Petro-Block Safety System

"See a leak? Pull the handle. Plan the repair."

Standard — 800 & 900
99%
Effective at keeping product in the tank
Seconds
Time required to activate
1 Pull
Single action plugs the mixer
Buys Time
Gives your team the time they need to come up with a solution — no panic, no rush.
Saves Manpower
The simplicity of Petro-Block means a single crew member can respond immediately.
One-Pull Plug
A single pull of the handle stops the flow of tank fluid instantly.
Field Safety
Creates a new level of safety for field crews working around live tanks.
Auto-Reset
Resets automatically during the standard lock-off procedure — no extra steps.
Faster Response
Converts emergency repairs into minor inconveniences. Designed for faster emergency response.
Learn more about Petro-Block

Sentry Notification System

"Contains fluids and alerts you."

Standard — 800 & 900
Buys time before leaks spill onto the ground
Three inspection ports for visual monitoring
Bottom port displays seal lubrication fluid and invading tank contents
Middle port: 1" NPT connection for easy electronic sensor installation
Supports drone inspection capability
Optional float switch, non-contact sensor, or electronic monitoring
Learn more about the Sentry System

Phoenix Propeller

Standard — All Series

After 15 years of research and consultation with propulsion designers who advise today's military, Jensen combined cutting-edge manufacturing techniques with deep petrochemical application experience to create the perfect balance of performance and efficiency."There's a way to do it better — find it." — Thomas Edison

Pitch-Adjusted Design
Each propeller is built to match the customer's performance needs with calculated pitch-to-diameter ratios.
Maximized Power Utilization
Proprietary pitch-adjusted designs maximize both performance and utilization of available power.
Investment Cast
Precision investment casting ensures consistent geometry and surface finish on every unit.
Dynamically Balanced
Balanced to ISO 1940-G6.3 — the same standard used in precision industrial rotating equipment.
CFD Designed
Computational fluid dynamics modeling optimizes blade geometry for real-world petrochemical tank conditions.
Real-World Tested
Validated through years of field testing in active petrochemical and blending applications.
Learn more about the Phoenix Propeller

Draw-Lock System

"Simple. Logical. Fast."

Standard — 800 & 900
Simplifies lock-off procedures using only an Allen wrench
Improves safety during maintenance
Increases service convenience
Maintains Jensen's tradition of the fastest mechanical seal repair in the petrochemical industry

Mechanical Seal

The 800 & 900 Series feature the most advanced seal design available on a side-entry mixer today.

Standard
Double mechanical seal — the most advanced design available on a side-entry mixer today.
Optional
Single seal option available for applications where a double seal is not required.

What Sets Jensen Apart

No special tools required — basic mechanic tools only
No specialized gauges needed
Everything designed to last and be repairable in the field
Jensen manufactures every part in-house — no parts are ever discontinued
Over 70 years of side-entry mixer exclusivity and expertise
Reputation as one of the most respected mixer manufacturers in the world

Recommended Applications

Crude Oil — BS&W Management
Crude Oil Blending
Gasoline / Diesel / Fuel Oil Blending
Petrochemical Storage Tanks
Storage Tanks from 2,000 BBL to 1,000,000+ BBL
General Blending Applications
Made in USA
Proudly Made in the United States of America

Jensen Mixers products are engineered and manufactured in America. Jensen Mixers International, P.O. Box 470386, Tulsa, OK 74147-0368.

Request a Quote

Contact our team to discuss your application requirements.

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4 Standard Innovations

Every 800 & 900 Series mixer ships with these Jensen-exclusive features as standard equipment.

Other Series