3.5 cu ft K-Series Portable Sandblast Pot – Electric 12 VDC Pressure Hold System with #100 Metering Valve & #400 Pinch Valve, 1″ Piping & Moisture Separator – Bronze Blasting Package

Part Number: 40-300-B
Compatible With: KEY HOUSTON #40300
Weight: 554.92 lbs
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 3.5 cu ft K-Series Electric Bronze Package delivers powerful, consistent sandblasting performance for professional contractors.
Powered by a 12 VDC Electric Pressure Hold System, it maintains constant vessel pressure during idle cycles, providing smoother operation, reduced abrasive waste, and extended component life.
Outfitted with a #100 Metering Valve and #400 Pinch Valve, this configuration combines legacy reliability with modern control precision—ideal for maintenance, shipyard, and industrial blasting applications.

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

• Keeps vessel pressurized when control handle is released

• Provides smoother operation and faster restarts

• Reduces compressed-air and media consumption

C. Emergency Air Tank

• Maintains pinch valve closure if compressor fails or power drops

• Adds safety and system reliability

D. Heavy-Duty Moisture Separator

• Removes condensation and improves abrasive flow consistency

E. 1″ Galvanized Piping

• Corrosion-resistant for long-term service life

F. Heavy-Duty Full-Port Ball Valves

• Ensures maximum airflow and responsive control

G. Schedule 80 Heavy-Duty Nipples

• Engineered to withstand abrasive wear for extended use

H. JIC-Fitted Pusher Line

• Eliminates gasket failures and simplifies maintenance

I. #100 Metering Valve / #400 Pinch Valve

• #100 Valve: Proven legacy design for accurate abrasive metering

• #400 Valve: Provides instant start/stop control of air and abrasive flow

J. Bag-Breaker & Screen

• Prevents foreign debris from entering the hopper during filling

K. Blow-Down Muffler

• Reduces noise during depressurization

L. Improved Electric Connection

• Weather-proof lock-out/tag-out connection box

• Rubber boot seal around control plug prevents dust and insects

• Eliminates connection failure issues common in legacy units

M. 6″ FAST-FILL™ Pop-Up

• Speeds up abrasive refills to reduce downtime

Specifications

Applications

• Industrial surface preparation & coating removal

• Marine and shipyard blasting

• Bridge, tank, and pipeline maintenance

• Fabrication and equipment restoration

Compatibility

• OEM Replacement For: KEY HOUSTON #40300

• Fully compatible with K-Series Electric #100 / #400 Pressure Hold assemblies and accessories