Parr 4551 – 1 Gallon Stainless Steel Chemical Reactor on Moveable Cart

The Parr 4551 Stainless Steel Chemical Reactor is a compact yet powerful system designed for laboratory and pilot-scale chemical processes that demand precision, durability, and safety. Part of the respected 4550 Floor Stand Reactor Series by Parr Instrument Company, this 1-gallon (3.75 L) reactor combines high-pressure and high-temperature performance with a mobile cart design, allowing researchers and engineers to position and operate it with ease across multiple workspaces. Whether for small-batch synthesis, scale-up development, or catalytic studies, the 4551 delivers reliability in every experiment.

At HiTechTrader, we understand the importance of dependable equipment in advancing research and process innovation. That's why we supply robust solutions like the Parr 4551 reactor, carefully selected to provide laboratories and pilot facilities with cost-effective access to world-class technology. Our customers benefit from technical expertise, flexible purchasing options, and responsive support, making HiTechTrader a trusted partner in chemical process development.

Materials & Construction

1. Vessel: T316 stainless steel for outstanding corrosion resistance and structural strength.
2. Closure: Split-ring design with 10 compression bolts for secure high-pressure sealing.
3. Cart: Heavy-duty moveable stand with lockable casters for mobility and stable operation.
4. Internal Dimensions: 6.0" I.D. × 8.6" depth, providing a 1-gallon (3.75 L) working volume.

Pressure & Temperature Ratings

1. Maximum Allowable Working Pressure (MAWP): 1900 psi (131 bar).
2. Temperature Limits (depending on gasket type): 
1. 225°C with FKM O-ring
2. 300°C with FFKM O-ring
3. 350°C with PTFE flat gasket
3. Suitable for a wide range of demanding chemical reactions, from polymerization to pharmaceutical synthesis.

Stand & Cart Design

1. Compact footprint (~35" W × 18" D × 50" H) for laboratory or pilot plant use.
2. Locking casters allow safe repositioning and stability during operation.
3. Approximate weight: ~265 lbs, balancing durability with mobility.

Agitation & Stirring System

1. Drive: Leak-proof magnetic coupling eliminates shaft seals for greater reliability.
2. Motor: Variable-speed ¼ hp motor.
3. Speed Range: 0–1000/1500 rpm.
4. Impellers: Standard 6-blade agitator (other designs available), ensuring efficient mixing across viscosities.

Instrumentation & Safety Features

1. Large 4.5-inch pressure gauge for accurate monitoring.
2. Thermowell and thermocouple for precise temperature readings.
3. Optional serpentine cooling coils for exothermic reaction control.
4. Built-in safety protections: relief valves, rupture discs, and electrical interlocks.
5. Flat gasket sealing system provides excellent chemical and thermal resistance.

Heating & Temperature Control

1. Heating provided by Calrod or ceramic band heaters (1800–2800 W typical).
2. Compatible with Parr PID controllers (e.g., Series 4848) for programmable ramp/soak cycles.
3. Integrated systems for heating, cooling, and monitoring ensure safe and repeatable operation.

Applications

The Parr 4551 1-Gallon Reactor is engineered for versatility in R&D and scale-up environments, making it ideal for:

1. High-pressure chemical synthesis.
2. Catalytic hydrogenation and oxidation studies.
3. Polymer research and specialty chemical production.
4. Pilot-scale pharmaceutical development.
5. Mobile applications requiring relocation between labs or process lines.

Operational Benefits

1. Rugged T316 stainless steel construction for long service life.
2. High-pressure and high-temperature performance in a compact system.
3. Mobility and flexibility with a moveable cart design.
4. Safe, leak-free agitation with magnetic drive technology.
5. Comprehensive safety systems to protect users and processes.
6. Seamless integration with advanced PID controllers for precise process control.

Why Buy from HiTechTrader?

With decades of experience supplying laboratory and pilot plant equipment, HiTechTrader provides more than just reactors, we deliver reliability, value, and expertise. Customers choosing the Parr 4551 benefit from:

1. A large inventory of trusted laboratory and process equipment.
2. Competitive pricing for research labs and industrial users alike.
3. Knowledgeable staff who guide you in selecting and configuring the right system.
4. A commitment to quality, ensuring each reactor is inspected and ready for use.

HiTechTrader is dedicated to supporting research and innovation by making advanced technologies like the Parr 4551 Reactor accessible, dependable, and affordable.