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

Part Number: 40-300-MPV-C
Compatible With: KEY HOUSTON #40300
Weight: 527.32 lbs
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 3.5 cu ft K-Series Electric Silver Package provides a complete, mid-tier sandblasting setup designed for professional use.
Powered by a 12 VDC Pressure Hold System, this model ensures steady air pressure, faster restarts, and efficient abrasive metering.
Equipped with an MPV Metering Valve and #400 Pinch Valve, it delivers superior precision, control, and durability for daily blasting operations.

Silver 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

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 pressure when the control handle is released

• Provides smoother starts and reduces air consumption

C. Emergency Air Tank

• Keeps pinch valve closed if compressor fails or loses power

• Adds safety and steady system operation

D. Heavy-Duty Moisture Separator

• Prevents moisture buildup and abrasive clumping

E. 1″ Galvanized Piping

• Corrosion-resistant for extended service life

F. Heavy-Duty Full-Port Ball Valves

• Maximizes air flow and reduces pressure loss

G. Schedule 80 Heavy-Duty Nipples

• High-wear design resists abrasion and extends longevity

H. JIC-Fitted Pusher Line

• Prevents leakage and gasket failures

I. MPV Metering Valve / #400 Pinch Valve

• MPV Valve: Manual plunger design for precise abrasive flow adjustment

• #400 Pinch Valve: Provides smooth on/off control for air and abrasive

J. Bag-Breaker & Screen

• Prevents foreign objects from entering the vessel

K. Blow-Down Muffler

• Minimizes noise during pressure release

L. Improved Electric Connection

• Weather-proof lock-out/tag-out box

• Rubber-sealed plug boot prevents dust and insect intrusion

• Reinforced electrical design for reliability in industrial environments

M. 6″ FAST-FILL™ Pop-Up

• Enables quick abrasive refills for continuous operation

Specifications

Applications

• Fabrication shops and contractor use

• Coating removal, surface preparation, and equipment maintenance

• Ideal for industrial and marine sandblasting projects

Compatibility

• OEM Replacement For: KEY HOUSTON #40300

• Fully compatible with K-Series Electric MPV and #400 Pressure Hold Systems