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 – Silver Blasting Package

Part Number: 40-300-C
Compatible With: KEY HOUSTON #40300
Weight: 586.92 lbs
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 3.5 cu ft K-Series Electric Silver Package is designed for professionals seeking precision, safety, and efficiency in a compact electric-powered configuration.
With a 12 VDC Pressure Hold System, it maintains steady vessel pressure between blast cycles for smoother restarts, reduced media waste, and cleaner finishes.
This model’s #100 Metering Valve and #400 Pinch Valve deliver reliable control over abrasive flow and on/off response, while the Silver Package adds essential safety and comfort gear for all-day use.

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, 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

• Vessel remains pressurized when control handle is released

• Provides smoother start/stop cycles and reduced air use

• More efficient than pressure release systems

C. Emergency Air Tank

• Keeps pinch valve closed during compressor failure or power loss

• Enhances system safety and reliability

D. Heavy-Duty Moisture Separator

• Removes condensation to maintain consistent abrasive flow

E. 1″ Galvanized Piping

• Corrosion-resistant for long-term operation

F. Heavy-Duty Full-Port Ball Valves

• Allows maximum air throughput for efficient blasting

G. Schedule 80 Heavy-Duty Nipples

• Resists abrasive wear for extended service life

H. JIC-Fitted Pusher Line

• Eliminates gasket leaks and simplifies maintenance

I. #100 Metering Valve / #400 Pinch Valve

• #100 Valve: Proven legacy design for precise media flow

• #400 Valve: Fast, reliable on/off control of air and abrasive

J. Bag-Breaker & Screen

• Prevents foreign material contamination during filling

K. Blow-Down Muffler

• Reduces noise during depressurization

L. Improved Electric Connection

• Weather-proof lock-out/tag-out box

• Rubber boot seal around control handle plug

• Prevents dust or insect intrusion into the connector

M. 6″ FAST-FILL™ Pop-Up

• Enables quick refills for continuous operation

Specifications

Applications

• Industrial and commercial surface preparation

• Marine and shipyard maintenance

• Pipeline and bridge blasting

• Equipment refurbishment and coating removal

Compatibility

• OEM Replacement For: KEY HOUSTON #40300

• Compatible with all K-Series Electric #100 / #400 Pressure Hold systems and components