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

Part Number: 40-350-MPV
Compatible With: KEY HOUSTON #40300
Weight: 339.02 lbs
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 3.5 cu ft K-Series Stationary Electric Blast Pot is built for dependable, precise blasting in fixed industrial environments.
Featuring an Electric 12 VDC Pressure Hold System, MPV Metering Valve, and #400 Pinch Valve, this machine ensures smooth start/stop operation and consistent abrasive delivery.
Perfect for shop installations, refineries, fabrication lines, and industrial surface-prep applications that demand continuous performance and low downtime.

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

• Vessel remains pressurized when control handle is released

• Provides smoother starts and stops than pressure-release systems

C. Emergency Air Tank

• Acts as a reserve to keep the pinch valve closed during compressor failure

• Enhances safety and prevents uncontrolled abrasive flow

D. Heavy-Duty Moisture Separator

• Removes moisture for cleaner air supply and steady abrasive feed

E. 1″ Galvanized Piping

• Corrosion-resistant and durable for long-term operation

F. Full-Port Ball Valves

• Heavy-duty valves ensure maximum air flow and easy maintenance

G. Schedule 80 Heavy-Duty Nipples

• Designed to resist abrasive wear and extend component life

H. JIC-Fitted Pusher Line

• Eliminates gasket issues and leak points common in older designs

I. MPV Metering Valve / #400 Pinch Valve

• MPV Manual Plunger Valve: Simple and reliable design for fine abrasive flow adjustment

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

J. Bag-Breaker & Screen

• Prevents contaminants from entering the vessel during loading

K. Blow-Down Muffler

• Minimizes noise during depressurization for operator comfort

L. Improved Electric Connection

• Weather-proof Lock Out/Tag Out connection box

• Rubber boot seal around control handle plug prevents dust and insect ingress

• Designed for durability in shop or outdoor environments

M. 6″ FAST-FILL™ Pop-Up

• Enables rapid abrasive refilling for maximum uptime

Specifications

Applications

• Stationary industrial surface preparation and paint removal

• Fabrication and automotive refinishing operations

• Marine, refinery, and plant maintenance applications

Compatibility

• OEM Replacement For: KEY HOUSTON #40300

• Fully compatible with K-Series Electric Pressure Hold systems