HDZ Coat - Wheatland

5 Steps Ahead

Wheatland Tube’s HDZ Coat provides long-lasting protection, prevents early white rust, and eliminates microbial contamination. Our proprietary, in-house 5-step galvanization process guarantees a 100% dross-free and debris-free finish in compliance with new ASTM A135, A53, and A795 galvanization requirements.

EXPLORE FIRE SPRINKLER PIPE

EXPLORE STANDARD PIPE

HDZ Coat 5-step Hot-dip Galvanization Process

Only Wheatland Tube Meets the Spec.

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One

Dedicated pipe acid bath

Thoroughly cleans and rinses the product to ensure no contamination.

Two

99.995% pure zinc application

Complies with NSF/ANSI 61 drinking water standards.

Three

Pipe Exterior Smoothed Using Air Knife

Removes bumps and air pockets that create dross and coat degradation on the exterior.

Four

Inside pipe blowout

Creates a smooth interior and prevents dross.

Five

Passivation application

Adds a protective layer on the pipe, preventing surface white rust or oxidation.

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