3.5 cu ft K-Series Stationary Sandblast Pot – Electric 12 VDC Pressure Hold System with #100 Metering Valve & #400 Pinch Valve, 1″ Piping with Moisture Separator

Part Number: 40-350
Compatible With: KEY HOUSTON #40300
Weight: 398.62 lbs
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 3.5 cu ft K-Series Stationary Electric Blast Pot is a compact, high-efficiency stationary blasting system engineered for reliability, precision, and continuous operation.
Featuring a 12 VDC Pressure Hold System and proven #100 Metering Valve / #400 Pinch Valve combination, this unit provides steady abrasive flow, reduced air consumption, and seamless starts and stops — ideal for fixed-site industrial blasting setups.
Built from heavy-duty materials and certified to A.S.M.E. Section VIII Division 1, this model delivers unmatched performance and durability in commercial and industrial environments.

Key Features & Benefits

A. Pressure Vessel

• 3.5 cu ft (100 L) capacity rated for 150 PSI (10.3 BAR)

• Constructed to A.S.M.E. Section VIII Division 1 standards

• C.R.N. Certified for all provinces

B. Pressure Hold System

• Maintains vessel pressure when the control handle is released

• Ensures smoother operation and reduced cycle time between bursts

C. Emergency Air Tank

• Keeps pinch valve closed during compressor failure or air loss

• Enhances safety and system reliability

D. Heavy-Duty Moisture Separator

• Removes condensation to maintain clean, dry abrasive flow

E. 1″ Galvanized Piping

• Corrosion-resistant for extended service life and minimal pressure loss

F. Heavy-Duty Full-Port Ball Valves

• Provides maximum airflow and superior wear resistance

G. Schedule 80 Heavy-Duty Nipples

• Built to withstand abrasive wear for long-term durability

H. JIC-Fitted Pusher Line

• Eliminates gasket failures and simplifies maintenance

I. #100 Metering Valve / #400 Pinch Valve

• #100 Metering Valve: Accurately regulates abrasive flow to the nozzle

• #400 Pinch Valve: Controls air and media start/stop functions smoothly

J. Bag-Breaker & Screen

• Prevents foreign material from entering the hopper during filling

K. Blow-Down Muffler

• Reduces noise during depressurization for a safer work environment

L. Improved Electric Connection

• Weather-proof Lock Out/Tag Out box for safe operation

• Rubber-sealed boot protects control handle plug from dust and moisture

• Prevents insect nesting and connection corrosion

M. 6″ FAST-FILL™ Pop-Up

• Enables rapid abrasive refilling and minimizes downtime

Specifications

Applications

• Stationary blasting in manufacturing and fabrication plants

• Industrial surface preparation and coating removal

• Marine, automotive, and refinery maintenance facilities

Compatibility

• OEM Replacement For: KEY HOUSTON #40300

• Fully compatible with K-Series Electric Pressure Hold systems