6.5 cu ft K-Series Stationary Sandblast Pot – Pneumatic Pressure Hold System with #100 Metering Valve & #400 Pinch Valve, 1-1/4″ Piping with Moisture Separator, 55′ Twin-Line Hose & Pneumatic Control Handle #2

Part Number: 41-351
Compatible With: KEY HOUSTON #40301
Weight: Approx. 520 lbs (estimate based on vessel size increase from 41-350)
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 6.5 cu ft K-Series Stationary Pneumatic Blast Pot is a high-capacity pressure-hold system designed for industrial-grade stationary operations.
Equipped with the proven #100 Metering Valve and #400 Pinch Valve, this unit offers smooth, controlled abrasive delivery, minimal downtime, and consistent pressure retention throughout extended blasting cycles.
Ideal for refineries, fabrication shops, and shipyards, it combines durability, efficiency, and precision in one stationary system.

Key Features & Benefits

A. Pressure Vessel

• 6.5 cu ft (185 L) capacity rated for 150 PSI (10.3 BAR)

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

• C.R.N. Certified for use in all provinces

B. Pressure Hold System

• Maintains pressure when control handle is released

• Provides smoother starts and stops than pressure-release systems

C. Emergency Air Tank

• Backup reservoir keeps pinch valve closed if compressor fails

• Prevents media discharge during air loss events

D. Heavy-Duty Moisture Separator

• Removes condensation to maintain clean, dry abrasive flow

E. 1-1/4″ Galvanized Piping

• Corrosion-resistant design for maximum durability and air efficiency

F. Heavy-Duty Full-Port Ball Valves

• Ensures full airflow capacity and extended service life

G. Schedule 80 Heavy-Duty Nipples

• Engineered to withstand abrasive wear for long-term performance

H. JIC-Fitted Pusher Line

• Eliminates gasket problems and simplifies maintenance

I. #100 Metering Valve / #400 Pinch Valve

• #100 Metering Valve: Classic high-precision valve for reliable abrasive metering

• #400 Pinch Valve: Provides controlled start/stop air and abrasive flow

J. Bag-Breaker & Screen

• Prevents foreign objects from entering the hopper during refills

K. Blow-Down Muffler

• Reduces noise output during system depressurization

L. 6″ FAST-FILL™ Pop-Up

• Enables rapid abrasive refilling to maximize uptime

Specifications

Applications

• Stationary industrial surface preparation and coating removal

• Refineries, manufacturing facilities, and marine yards

• Ideal for long-duration blasting cycles where constant pressure is required

Compatibility

• OEM Replacement For: KEY HOUSTON #40301

• Fully compatible with K-Series Pneumatic Pressure Hold system