• Description
  • Why Buy From Us

Sunstone Welders Premium Argon Gas Regulator - For Zappª and Orion¨ Pulse Arc Welders (AGR 2.2)

The premium gas regulator for Zapp and Orion pulse arc welders attaches to your argon tank, regulating the pressure between the tank and the welder.

  • Low Pressure Precision Regulator
  • High-precision Argon Control (from 1 to 5 l/min with unlimited incremental adjustments)
  • 1/4" Quick Tubing Connector (for use with Zapp or Orion pulse arc welders)
  • Dual Pressure Gauges (measuring tank pressure and line pressure)
  • Premium Quality and Precision

For Orion¨ LZR Benchtop Laser Welders (AGR 2.2 LZR)

The premium gas regulator for Orion laser welders attaches to your argon tank, regulating the pressure between the tank and your Orion laser welder.

  • Low Pressure Precision Regulator
  • High-precision Argon Control (from 1 to 5 l/min with unlimited incremental adjustments)
  • 8mm Quick Tubing Connector (for use with Orion laser welders)
  • Dual Pressure Gauges (measuring tank pressure and line pressure)
  • Premium Quality and Precision

Innovation and Reliability at Our Core

At Machine Horizon, we believe that powerful machines drive progress. Our mission is to make advanced technology accessible to creators, engineers, and businesses across industries—from precision CNC and milling to farming, printing, and laboratory equipment.

We’re dedicated to providing reliable, high-performance machines that help you produce, build, and innovate with confidence. Every product we offer is carefully selected for its engineering quality, efficiency, and long-term value.

A Customer-First Approach

We’re more than an online store—we’re your partner in finding the best machine for your need. Unlike large, impersonal retailers, our dedicated team delivers personalized guidance at every step. Whether you’re exploring, seeking expert advice, or need ongoing support, our specialists are always just a call or email away.

Passion for Machinery & Resilience


Our brand is built on a deep respect for craftsmanship, performance, and reliability. We understand how important the right equipment is to your success—that’s why we focus on machines that combine innovation with lasting durability. From small workshops to large production facilities, Machine Horizon provides solutions that help you work smarter, faster, and better.

Trusted Experts, Curated Brands


We partner directly with industry-leading manufacturers across multiple sectors to ensure every product meets our standards for quality and performance. Our curated selection means you can shop with confidence, knowing each machine is backed by expert support and full manufacturer warranties.

More Reasons to Choose Machine Horizon

  • Price Match Guarantee – We’ll match any competitor to ensure you always receive the best value.
  • Free Shipping – Enjoy free delivery on most* orders across the lower 48 U.S. states.
  • 100% Secure Ordering – Our platform uses SSL encryption to protect your information.
  • Exclusive Packages & Volume Discounts – Custom pricing available for workshops, labs, schools, and bulk orders.
  • Authorized Dealer – Every order is protected with full manufacturer support and warranties.


With Machine Horizon, you don’t just buy equipment—you invest in performance, precision, and long-term reliability

Frequently Asked Questions

Yes! We provide free and fast shipping on orders within the continental United States.
Most orders ship out within 1–3 business days and arrive within 5-7 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-720-5193 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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