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

Part Number: 40-301-MPV-A
Compatible With: KEY HOUSTON #40301
Weight: 587.64 lbs
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 6.5 cu ft K-Series Electric Blast Pot delivers industrial-grade performance and control in a large-capacity portable system.
Powered by a 12 VDC Pressure Hold System, it ensures smoother operation, consistent pressure, and efficient abrasive flow.
Equipped with a reliable MPV Metering Valve and #400 Pinch Valve, this unit is engineered for durability, precision, and ease of maintenance in demanding blasting environments.

📄 Documents:

• 📄 Brochure
• 📄 Manual
• 📄 How It Works
• 📄 Warranty

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 provinces

B. Pressure Hold System

• Keeps the vessel pressurized when the control handle is released

• Provides smoother starts and stops than pressure-release systems

C. Emergency Air Tank

• Acts as a backup to keep the pinch valve closed in case of compressor failure

• Adds safety and reliability to every blast cycle

D. Heavy-Duty Moisture Separator

• Filters out condensation to ensure dry, consistent media flow

E. 1-1/4″ Galvanized Piping

• Provides corrosion resistance and long service life

F. Heavy-Duty Full-Port Ball Valves

• Maximizes air flow and minimizes pressure loss

G. Schedule 80 Heavy-Duty Nipples

• Built to resist abrasive wear for extended durability

H. JIC-Fitted Pusher Line

• Eliminates gasket leaks and simplifies serviceability

I. MPV Metering Valve / #400 Pinch Valve

• MPV Valve: Manual plunger design allowing fine abrasive flow adjustments

• #400 Pinch Valve: Ensures smooth start/stop control of air and abrasive flow

J. Bag-Breaker & Screen

• Prevents debris and contamination during abrasive filling

K. Blow-Down Muffler

• Reduces noise levels during vessel depressurization

L. Improved Electric Connection

• Weather-proof Lock Out/Tag Out junction box

• Rubber boot seals around control handle plug to prevent dust and insect intrusion

• Reinforced electrical housing for added reliability

M. 6″ FAST-FILL™ Pop-Up

• Allows for quicker abrasive refills to maximize productivity

Specifications

Applications

• Heavy-duty surface prep and corrosion removal

• Industrial, marine, and construction blasting operations

• Ideal for professionals requiring high-capacity continuous blasting

Compatibility

• OEM Replacement For: KEY HOUSTON #40301

• Fully compatible with K-Series Electric MPV / #400 Pressure Hold configurations