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

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

Part Number: 40-300-MPV-B
Compatible With: KEY HOUSTON #40300
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 3.5 cu ft K-Series Electric Bronze Package is engineered for contractors seeking efficiency, reliability, and ease of control in a compact system.
Equipped with an MPV Metering Valve for adjustable abrasive flow and a #400 Pinch Valve for precise air control, this 12 VDC electric model delivers smooth, consistent performance under pressure.
The Pressure Hold System ensures immediate blast readiness between trigger cycles, reducing air consumption and boosting productivity.

Bronze Blasting Package Includes

• (1) 10-100BLK-050-3AL – 1″ Blast Hose Assembly Kit with Couplings (50′)

• (1) 1201-1173 – #4 Tungsten Carbide All-Poly Nozzle

Key Features & Benefits

A. Pressure Vessel

• 3.5 cu ft (100 L) capacity rated at 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

• Maintains vessel pressure between cycles

• Provides smoother starts/stops and reduces air loss

C. Emergency Air Tank

• Supplies backup air to keep pinch valve closed during compressor failure

• Enhances system safety and reliability

D. Heavy-Duty Moisture Separator

• Prevents condensation buildup for clean, dry operation

E. 1″ Galvanized Piping

• Corrosion-resistant and long-lasting

F. Heavy-Duty Full-Port Ball Valves

• Optimized airflow for maximum blasting power

G. Schedule 80 Heavy-Duty Nipples

• Built to resist abrasive wear and extend component life

H. JIC-Fitted Pusher Line

• Eliminates gasket-related leaks, reducing maintenance time

I. MPV Metering Valve / #400 Pinch Valve

• MPV Valve: Manual plunger design for broad abrasive flow control

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

J. Bag-Breaker & Screen

• Prevents debris contamination during abrasive filling

K. Blow-Down Muffler

• Reduces noise during depressurization

L. Improved Electric Connection

• Weather-proof lock-out/tag-out box

• Rubber-sealed handle plug prevents dust and insect intrusion

• More durable and secure than legacy connectors

M. 6″ FAST-FILL™ Pop-Up

• Allows quicker abrasive loading and reduced downtime

Specifications

Applications

• General sandblasting and surface prep operations

• Rust, paint, and coating removal

• Industrial equipment cleaning and restoration

• Ideal for field or shop use requiring electric control systems

Compatibility

• OEM Replacement For: KEY HOUSTON #40300

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