6.5 cu ft K-Series Portable Blast Pot – Pneumatic Pressure Hold System, Silver Blasting Package with #100 Metering Valve & #400 Pinch Valve, 1-1/4" Piping & Moisture Separator

Part Number: 41-301-C
Compatible With: KEY HOUSTON #40301
Weight: 733.46 lbs
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 6.5 cu ft K-Series Portable Sandblast Pot (Silver Package) delivers high-capacity abrasive blasting performance with exceptional reliability and control.
Featuring a Pneumatic Pressure Hold System, this machine maintains internal pressure when blasting pauses — providing smoother operation, reduced abrasive waste, and faster restarts.

Built for industrial and contractor use, it includes a #100 Metering Valve for precise abrasive regulation and a #400 Pinch Valve for accurate start/stop air control. Combined with the Silver Blasting Package, this system arrives ready for professional-grade productivity.

Silver Blasting Package Includes

• (1) 10-114BLK-050-3AL – 1-1/4″ Blast Hose Assembly Kit with Couplings (50′)

• (1) 1348-555 – #5 Tungsten Carbide, Poly-Jacket Nozzle

• (1) 122-9150 – Blast Suit, Lightweight, Large

• (1) 407701 – Luxury Double-Palmed Gloves (Pair)

• (1) 407000-PFC – RPB® NOVA 2000™ Respirator Package

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 all Canadian provinces

B. Pressure Hold System

• Vessel remains pressurized when control handle is released

• Enables smoother starts and stops than pressure-release systems

• Improves efficiency and reduces abrasive consumption

C. Emergency Air Tank

• Maintains pinch-valve closure if compressor fails or runs out of fuel

• Adds safety redundancy and reliability

D. Heavy-Duty Moisture Separator

• Filters moisture to protect abrasive media and maintain consistent flow

E. 1-1/4″ Galvanized Piping

• Corrosion-resistant for long-term use in harsh conditions

F. Full-Port Ball Valves

• Heavy-duty construction ensures unrestricted airflow and durability

G. Schedule 80 Nipples

• Extra-thick design resists abrasive wear for extended life

H. JIC-Fitted Pusher Line

• Eliminates gasket issues and simplifies field maintenance

I. #100 Metering Valve / #400 Pinch Valve

• #100 Metering Valve: Proven, adjustable abrasive feed control

• #400 Pinch Valve: Handles air and media start/stop functions with precision

J. Bag-Breaker & Screen Assembly

• Prevents foreign material from entering during filling

K. Blow-Down Muffler

• Reduces noise during depressurization

L. 6″ FAST-FILL™ Pop-Up

• Allows quick abrasive refilling and faster turnaround between cycles

Specifications

Applications

• Shipyards, pipelines, and bridge restoration

• Structural steel fabrication and industrial maintenance

• Heavy-equipment coating removal

• Field-ready abrasive blasting operations

Compatibility

• OEM Replacement For: KEY HOUSTON #40301

• Compatible with all K-Series Pressure Hold Systems and legacy #100/#400 Valve setups