SPEEFLO Hydra Pro IV Gas Powered Airless Sprayer

SPEEFLO Hydra Pro IV Gas Powered Airless Sprayer

The SPEEFLO Hydra Pro IV Gas Powered Airless Sprayer is built for contractors who demand uncompromising power, durability, and reliability on large-scale projects. Engineered for continuous operation, this sprayer delivers exceptional performance with high-output gas power, advanced hydraulic pressure control, and rugged pump assemblies designed to handle the toughest coatings.

From residential repainting to demanding industrial jobs, the Hydra Pro IV offers smooth atomization, consistent spray patterns, and reduced downtime thanks to serviceable modular components. Its hydraulic system design ensures cool, efficient operation for longer spraying sessions, making it one of the most trusted units for professional contractors.

Key Features

Heavy-Duty Gas Powered Engine

Provides strong, consistent power for spraying thicker coatings and handling large projects without interruptions.

Rugged Hydraulic System

Ensures smooth pressure delivery, longer pump life, and reduced heat buildup during continuous operation.

High-Output Fluid Pump Assembly

Designed for maximum durability, capable of pumping heavy elastomerics, primers, acrylics, latex paints, and commercial coatings.

Precision Bleed Line & Valve Assembly Parts

Allows for fast priming, pressure release, and maintenance, improving work efficiency on the job site.

Industrial-Grade Siphon Valve & Intake Components

Built to prevent clogging, deliver smooth suction, and maintain consistent material flow.

Modular Design for Easy Servicing

Major assemblies pump, bleed valve, siphon valve, motor, and hydraulic system—are simple to disassemble and replace.

Proven SPEEFLO Reliability

Manufactured for durability with premium materials that withstand tough job-site environments.

Applications

The SPEEFLO Hydra Pro IV is ideal for:

Commercial & Industrial Projects

Large warehouses, factories, storage tanks, and metal structures.

Residential & Commercial Buildings

Interior and exterior walls, siding, and large surfaces require high productivity.

High-Viscosity Coatings

Elastomerics, waterproofing coatings, protective barriers, block-fillers, primers, and other heavy materials.

New Construction & Renovation

Perfect for contractors who need continuous spraying with minimal downtime.

Municipal & Infrastructure Projects

Bridges, highway structures, public buildings, and government facilities.

 FAQ’s

1. Why is my Hydra Pro IV losing pressure during spraying?

Pressure loss is commonly caused by worn motor pump packings, a damaged siphon valve, or air leaks in the suction hose. Inspect packings, tighten fittings, and check the inlet screen for blockages. Replace worn components immediately to restore pressure.

2. How often should I replace the Fluid Pump Assembly (185-551)?

Pump life varies based on material type and usage, but most contractors replace or rebuild it every 6–12 months. If you notice pulsation, reduced output, or frequent priming issues, it’s time to service or replace the fluid pump assembly.

3. My sprayer is not priming properly. What should I check first?

Start with the siphon valve assembly, inlet strainer, and suction hose. Dried paint or debris can restrict flow. Clean the screen, inspect the hose for air leaks, and ensure the siphon valve is sealing properly.

4. When do I need to replace the Bleed Valve Assembly?

If the unit won’t release pressure, continuously leaks, or struggles to prime, the bleed valve stem or seals may be worn. Replacing the bleed valve assembly typically resolves the issue quickly.

5. The hydraulic system feels hot. Should I be concerned?

Hydraulic systems naturally warm up during operation, but excessive heat may indicate low hydraulic fluid, clogged cooling fins, or pump strain. Check hydraulic fluid levels and clean the cooling system. If heat persists, a service inspection is recommended.