6.5 cu ft K-Series Portable Sandblast Pot – Electric 12 VDC Pressure Hold System with #100 Metering Valve & #400 Pinch Valve, 1-1/4″ Piping & Moisture Separator

Part Number: 40-301-A
Compatible With: KEY HOUSTON #40301
Weight: 646.98 lbs
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 6.5 cu ft K-Series Electric Pressure Hold Sandblast Pot is a heavy-duty, industrial-grade blasting system built for reliability and performance.
Featuring a 12 VDC Pressure Hold System, it maintains consistent internal pressure for smoother operation, reduced abrasive waste, and more efficient blasting.
Equipped with the proven #100 Metering Valve and #400 Pinch Valve, this model delivers precise abrasive flow control and quick response, making it ideal for contractors, shipyards, and fabrication facilities.

Key Features & Benefits

A. Pressure Vessel

• 6.5 cu ft (185 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

• Smoother start/stop transitions compared to pressure release systems

• Optimized air and abrasive usage

C. Emergency Air Tank

• Ensures pinch valve remains closed in case of compressor failure

• Enhanced safety and reliability for continuous operation

D. Heavy-Duty Moisture Separator

• Effectively removes condensation, reducing moisture-related abrasive issues

E. 1-1/4″ Galvanized Piping

• Corrosion-resistant and long-lasting under abrasive conditions

F. Heavy-Duty Full-Port Ball Valves

• Maximizes airflow for consistent blasting pressure

G. Schedule 80 Heavy-Duty Nipples

• Designed to resist wear from high-velocity abrasive flow

H. JIC-Fitted Pusher Line

• Eliminates gasket-related issues and simplifies maintenance

I. #100 Metering Valve / #400 Pinch Valve

• #100 Metering Valve: Traditional, reliable design for precise abrasive feed control

• #400 Pinch Valve: Controls air and abrasive flow on/off with smooth precision

J. Bag-Breaker & Screen

• Prevents clogging and contamination during abrasive 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

• Rubber-sealed connector boot prevents dust and insect ingress

• Eliminates legacy connection reliability issues

M. 6″ FAST-FILL™ Pop-Up

• Accelerates abrasive refilling for reduced downtime

Specifications

Applications

• Industrial surface preparation and coating removal

• Shipyards, bridge maintenance, and heavy equipment restoration

• Pipeline, tank, and steel structure blasting

• Foundry and manufacturing plant maintenance

Compatibility

• OEM Replacement For: KEY HOUSTON #40301

• Fully compatible with K-Series Electric #100 / #400 Pressure Hold system components