3.5 cu ft K-Series Stationary Sandblast Pot – Pneumatic Pressure Hold System with #100 Metering Valve & #400 Pinch Valve, 1″ Piping with Moisture Separator, 55′ Twin-Line Hose & Pneumatic Control Handle #2 (Part #41-350)

Part Number: 41-350
Compatible With: KEY HOUSTON #40301
Weight: 396.34 lbs
Warranty: 5-Year Limited / 10-Year Vessel Warranty

Overview

The 3.5 cu ft K-Series Stationary Pneumatic Blast Pot delivers consistent and efficient abrasive blasting performance for stationary industrial applications.
Built with a Pneumatic Pressure Hold System, #100 Metering Valve, and #400 Pinch Valve, this unit ensures smooth operation, reliable pressure retention, and excellent control of abrasive flow.
The system’s heavy-duty galvanized piping, moisture separator, and emergency air tank make it a dependable, long-lasting addition to any professional blasting setup.

Key Features & Benefits

A. Pressure Vessel

• 3.5 cu ft (100 L) capacity rated for 150 PSI (10.3 BAR)

• Constructed to A.S.M.E. Section VIII Division 1 standards

• C.R.N. Certified for all provinces

B. Pressure Hold System

• Maintains vessel pressurization when control handle is released

• Allows smoother start/stop cycles compared to pressure-release designs

C. Emergency Air Tank

• Provides reserve air to keep pinch valve closed during compressor failure

• Enhanced safety feature improves reliability on the job

D. Heavy-Duty Moisture Separator

• Removes condensation to prevent media clumping and improve blasting consistency

E. 1″ Galvanized Piping

• Corrosion-resistant and designed for extended service life

F. Heavy-Duty Full-Port Ball Valves

• Ensures maximum airflow with minimal restriction

G. Schedule 80 Heavy-Duty Nipples

• Designed for extended resistance to abrasive wear

H. JIC-Fitted Pusher Line

• Eliminates gasket issues for improved sealing and maintenance efficiency

I. #100 Metering Valve / #400 Pinch Valve

• #100 Metering Valve: Proven traditional design for reliable, consistent abrasive flow

• #400 Pinch Valve: Controls the air/abrasive mix for smooth starts and stops

J. Bag-Breaker & Screen

• Prevents contamination and ensures clean abrasive loading

K. Blow-Down Muffler

• Reduces noise during depressurization for safer operation

L. 6″ FAST-FILL™ Pop-Up

• Enables faster abrasive loading for reduced downtime

Specifications

Applications

• Stationary abrasive blasting operations

• Industrial surface prep and coating removal

• Automotive, marine, and manufacturing applications

Compatibility

• OEM Replacement For: KEY HOUSTON #40301

• Fully compatible with K-Series Pneumatic Pressure Hold systems