Jensen Series 800/900 Side-Entry Mixers — 30 to 75 HP — Northeast Controls Inc.
Jensen Mixers/Series 800/900

Jensen Mixers International

Series 800 / 900 Side-Entry Mixers

Belt & Gear Drive · 30–75 HP · Petro-Block · Phoenix Propeller · Sentry System · Draw-Lock

70+YearsSide-entry mixer exclusivity
4StandardJensen-exclusive innovations
#1InventorOf the side-entry mixer

Overview

Jensen Series 800 belt driven side entry mixer

Series 800 — Belt Driven

Jensen Series 900 gear driven side entry mixer

Series 900 — Gear Driven

"Better than ever — the most advanced side-entry mixers available today."

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.

Industry Originator

Jensen invented the side-entry mixer — over 70 years of exclusive focus and expertise.

4 Standard Innovations

Every unit ships with Sentry System, Petro-Block, Phoenix Propeller, and Draw-Lock.

Made in the USA

Engineered and manufactured in America. Every part made in-house — none ever discontinued.

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

Belt Drive

MAX HP

30 HP

SHAFT RPM

430

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.

Standard Features

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

900 Series

Model 875 / 975

Gear Drive

MAX HP

75 HP

SHAFT RPM

430

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.

Standard Features

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

Standard Innovations

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

Petro-Block Safety System

Standard — 800 & 900 Series

"See a leak?

Pull the handle.

Plan the repair."

99%Effective at keeping product in the tank
SecondsTime required to activate
1 PullSingle action plugs the mixer

Revolutionizing the way you stop a leak on a side-entry 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.

Standard on 800 Series — Belt Drive
Standard on 900 Series — Gear Drive

Phoenix Propeller

Standard — All Series
THRUSTEFFICIENCYPOWERCOST

"Phoenix Propeller is the balance of

form, function and performance."

15+Years of research & development
CFDComputational fluid dynamics designed
ISOG6.3 dynamic balance standard

15 Years in the Making

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 for modern blending applications and sediment control standards.

"There's a way to do it better — find it."

— Thomas Edison

Engineering Highlights

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.

Sentry Notification System

Standard — 800 & 900 Series

"Contains fluids and alerts you."

  • 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

Draw-Lock System

Standard — 800 & 900 Series

Simple. Logical. Fast.

  • 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

Jensen focuses exclusively on side-entry mixers — over 70 years of dedicated expertise.

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

Manufacturing & Support

Proudly Made in the United States of America

Jensen Mixers products are engineered and manufactured in America.

Quality Products
Reliable Service
Long-Term Durability

Jensen Mixers International

P.O. Box 470386
Tulsa, OK 74147-0368

Northeast Controls — Your Rep

Authorized Jensen Mixers representative for the Northeast. Contact us for pricing, application support, and quotes.