3.5 cu ft K-Series Portable Blast Pot – Pneumatic Pressure Hold System, Gold Blasting Package with MPV Metering Valve & #400 Pinch Valve, 1" Piping with Moisture Separator & 55' Twin-Line Remote Control System

Part Number: 41-300-MPV-D
Compatible With: KEY HOUSTON #40300
Weight: 578.34 lbs
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 3.5 cu ft K-Series Portable Blast Pot (Gold Package) is a premium-grade pneumatic blasting system engineered for maximum control, reliability, and operator safety.
Equipped with a Manual Plunger Valve (MPV) Metering System and #400 Pinch Valve, it provides smooth, precise control over abrasive flow and air delivery.
Its Pneumatic Pressure Hold System keeps the vessel pressurized during idle cycles, reducing abrasive loss and ensuring efficient restarts — perfect for industrial contractors and field professionals who require durability and consistency.

The Gold Blasting Package enhances this setup with full professional gear, including blast hoses, air hoses, gloves, suit, and respirator equipment.

Gold 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

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

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

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

• (1) 10-034RED-050-1 – 3/4″ Air Hose Assembly Kit (50′)

• (1) 10-100RED-050-1 – 1″ Air Hose Assembly Kit (50′)

• (1) UM-100 – Air Hose Coupling, 2 Lug, 1″ Male NPT

Key Features & Benefits

A. Pressure Vessel

• 3.5 cu ft (100 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 vessel pressurized when control handle is released

• Enables smoother blasting cycles and reduces air/abrasive waste

• Prevents moisture infiltration during pauses

C. Emergency Air Tank

• Built-in safety reservoir ensures pinch valve closure during compressor failure

• Enhances operational reliability and safety

D. Heavy-Duty Moisture Separator

• Protects media from moisture contamination for consistent blasting results

E. 1″ Galvanized Piping

• Resists corrosion for extended durability and improved airflow

F. Heavy-Duty Full-Port Ball Valves

• Delivers unrestricted airflow to maintain optimal blasting pressure

G. Schedule 80 Heavy-Duty Nipples

• High-strength construction withstands abrasive wear and tear

H. JIC-Fitted Pusher Line

• Eliminates gasket issues and simplifies in-field maintenance

I. MPV Metering Valve / #400 Pinch Valve

• MPV Valve: Manual plunger design allows fine-tuned abrasive control

• #400 Pinch Valve: Controls start/stop air and abrasive flow with reliability

J. Bag-Breaker & Screen

• Prevents debris contamination during abrasive refilling

K. Blow-Down Muffler

• Reduces noise output during depressurization for operator comfort

L. 6″ FAST-FILL™ Pop-Up

• Accelerates abrasive refilling to minimize downtime

Specifications

Applications

• High-demand industrial and field sandblasting operations

• Bridge, shipyard, and heavy-equipment maintenance

• Surface prep for coating, painting, and corrosion control

• Fabrication, pipeline, and construction environments

Compatibility

• OEM Replacement For: KEY HOUSTON #40300

• Fully compatible with K-Series MPV/#400 pneumatic configurations and accessories