SR250
STAREX
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Sourced directly from a premier industrial equipment manufacturer, this medium-duty single-stage regulator is engineered for precise gas control in demanding fabrication environments. Designed to optimize operational efficiency for volume procurement needs, it delivers uncompromising stability, robust construction, and enhanced workplace safety.
Forged brass construction for an extended operational lifespan
Single-stage pressure regulation for highly consistent gas flow
Comprehensive compatibility with oxygen, acetylene, propane, and nitrogen
UL-listed and CE-certified to meet global industrial compliance
Step into a new era of industrial gas management with a regulator meticulously engineered to transform raw cylinder pressure into refined, usable energy. When you handle this device, the substantial weight of the forged brass body immediately communicates a sense of rugged durability, built specifically to withstand the daily impacts and vibrations of a bustling fabrication floor. The cool, smooth finish of the heavy-duty metal contrasts sharply with the highly legible, high-contrast dual gauges. This thoughtful design allows operators to assess both cylinder contents and active delivery pressures with a single glance, even in the dimly lit corners of a busy workshop. Every turn of the ergonomic adjustment knob feels deliberate, smooth, and highly responsive, translating into precise pressure modifications that eliminate guesswork and significantly reduce material waste.
Beyond its robust exterior, the internal architecture is designed to solve the most common frustrations experienced in metalworking, heating, and welding operations. The innovative absence of soldered joints means there are fewer structural points of failure, drastically reducing maintenance downtime and extending the service cycle of your equipment fleet. As the gas flows, the high-grade neoprene diaphragm works silently and efficiently to absorb pressure fluctuations, delivering a steady, unwavering stream that ensures clean cuts and flawless welds. This level of consistency not only improves the final output quality but also protects downstream equipment from sudden pressure spikes, ultimately safeguarding your operational investments and streamlining daily productivity.
| Mode | Gas | Max. Inlet Pressure (PSI) | Delivery Pressure (PSI) | Max. Working Pressure(PSI) |
|---|---|---|---|---|
| SR250-OX | Oxygen | 3000 | 200 | 150 |
| SR250-AC | Acetylene | 300 | 15 | 10 |
| SR250-LP | Propane | 300 | 60 | 36 |
| SR250-NI | Nitrogen | 3000 | 200 | 150 |
Equip your workforce with tools that prioritize both high-end performance and long-term longevity. This series integrates advanced fluid dynamics with heavy-duty materials to deliver a seamless and safe gas control experience.
Engineered to provide a highly stable pressure reduction from the cylinder to the torch. This ensures that your cutting and welding flames remain uniform throughout the operation, preventing uneven metal melting and reducing rework.
Acts as an impenetrable microscopic barrier against debris and cylinder impurities. By trapping these particles at the entry point, it preserves the delicate internal valve seats and significantly extends the operational life of the unit.
By completely eliminating soldered joints, the design inherently removes weak points that are susceptible to stress cracking and thermal fatigue. This facilitates rapid, hassle-free maintenance when servicing large volumes of equipment.
The oxygen models feature a precision-calibrated built-in safety relief valve. This critical component instantly vents excess pressure to protect both the operator and the surrounding infrastructure from catastrophic over-pressurization events.
Industrial environments are unforgiving, demanding equipment that can endure constant vibration, accidental impacts, and exposure to harsh elements. The foundation of this regulator lies in its uncompromising material selection, ensuring it outlasts standard market alternatives.

Both the main body and the bonnet are struck from solid forged brass, offering superior tensile strength compared to cast alternatives. This ensures the unit resists deformation even under maximum torque during rapid cylinder changes.
The premium brass composition naturally repels atmospheric moisture and corrosive airborne particulates common in fabrication facilities, maintaining both its structural integrity and professional appearance over years of continuous deployment.
The combination of high-strength exterior materials and a solder-free internal design drastically lowers the frequency of replacements and repairs, optimizing capital expenditure for large-scale industrial operations.
Precision is the currency of quality metalwork. Fluctuating gas flow leads to jagged cuts, porous welds, and wasted man-hours. This regulator is meticulously calibrated to eliminate these variables, providing a foundation of absolute stability.
At the heart of the single-stage mechanism lies a highly flexible, tear-resistant neoprene diaphragm. It reacts instantaneously to minute pressure shifts, maintaining a flat, consistent delivery curve from a full cylinder down to the reserve.
The internal gas channels are machined to exact tolerances, preventing internal turbulence. This ensures that the volume of gas reaching the torch remains absolute and uninterrupted, allowing for continuous, smooth operational passes.
The tactile feedback from the adjustment handle allows operators to dial in exact delivery pressures with confidence. Whether setting a delicate 15 PSI for acetylene welding or a robust 200 PSI for heavy oxygen cutting, the response is immediate and accurate.
When dealing with highly compressed and combustible gases, operator protection is non-negotiable. This series incorporates multiple layers of mechanical defense to mitigate risks before they can escalate into workplace hazards.
Built directly into the oxygen models, the safety relief valve acts as a vital mechanical fail-safe. If internal pressures exceed critical thresholds due to seat failure or extreme temperatures, it automatically vents, averting potential ruptures.
The sintered metal filter at the inlet acts as a microscopic net. It captures rust, dust, and moisture from older or heavily used cylinders, ensuring that only pure gas interacts with the sensitive internal valving mechanisms.
The dual gauges are protected by high-impact, shatter-resistant lenses that withstand flying sparks, grinding dust, and accidental tool drops, keeping the vital pressure readings clearly visible and the operator safe from flying debris.
Versatility on the shop floor reduces the need to stock multiple, highly specialized tools. This series is engineered to handle a comprehensive spectrum of industrial gases with tailored precision, adapting to your specific project requirements.

Whether your processes require the intense, focused heat of acetylene, the clean bulk burn of propane, or the inert purging capabilities of nitrogen, there is a specific model within this series calibrated for your exact medium.
Capable of safely managing up to 3000 PSI from fully charged oxygen and nitrogen cylinders. This ensures seamless compatibility with standard high-capacity industrial gas storage solutions without risking internal blowout.
Delivery pressures are strictly governed by the internal mechanics, offering a maximum working pressure of 150 PSI for oxygen and nitrogen, and precisely limited thresholds for fuel gases (10 PSI for acetylene) to maintain absolute flame stability and safety.
Efficiency begins before the torch is even lit. The physical design of this regulator prioritizes rapid setup, intuitive operation, and physical comfort, minimizing turnaround times during essential cylinder swaps.
The side-mounted inlet stem is specifically designed to accommodate tight clearances around complex cylinder clusters and mobile welding carts. This prevents awkward hose routing and reduces physical strain on the brass connections.
The dual gauges feature crisp, high-contrast red and black markings on a white background. This allows operators to monitor remaining cylinder volume and active line pressure simultaneously from a distance, improving workflow monitoring.
The adjustment T-handle is deeply knurled and optimally sized. It provides excellent grip and mechanical leverage, allowing workers to make precise pressure tweaks without the need to remove heavy, protective welding gloves.
Procuring equipment for large-scale operations requires a guarantee of regulatory adherence and proven field performance. This regulator meets the strictest global standards, ensuring it is ready for immediate deployment in highly regulated sectors.
Perfectly scaled for the rigorous demands of structural steel fabrication, automotive repair facilities, shipbuilding, and heavy civil engineering projects where reliable, daily gas delivery is paramount to project success.
Manufactured to align tightly with ISO quality management systems and proudly carrying CE and UL listings. This ensures the product meets rigorous international safety benchmarks, facilitating seamless integration into multinational operations.
Utilizing industry-standard thread configurations, these regulators integrate flawlessly with existing hoses, flashback arrestors, and torch handles. This plug-and-play compatibility eliminates the need for costly adapters or complete system overhauls.
Selecting the right manufacturing partner is just as critical as selecting the right equipment. We provide a streamlined, reliable supply chain solution tailored specifically for high-volume operational demands and uncompromising quality expectations.
Every single regulator undergoes rigorous pneumatic testing before leaving the facility. We ensure zero leaks, perfect diaphragm seating, and exact pressure calibration right out of the box, guaranteeing immediate reliability.
Our advanced manufacturing infrastructure is designed to fulfill large-scale orders promptly and accurately. We ensure your facilities never experience costly downtime due to equipment shortages or delayed shipments.
By optimizing our supply chain and manufacturing processes, we deliver premium, industrial-grade equipment at highly competitive price points, significantly improving your procurement budget efficiency without sacrificing safety.
Our team of engineering specialists is always available to assist with product selection, technical specifications, and post-deployment troubleshooting, ensuring a frictionless, long-term partnership.
To assist your procurement and engineering teams in making an informed decision, we have compiled detailed answers to the most common technical inquiries regarding our medium-duty V*Star 250 series regulators.
Single-stage regulators offer a highly durable, cost-effective solution for applications where slight delivery pressure variations (as the cylinder empties) are acceptable or easily managed by the operator. They feature fewer moving internal parts, which translates to lower maintenance requirements and greater longevity in rugged, dust-filled environments.
The sintered metal filter is highly porous yet structurally rigid. It acts as a physical barrier that traps microscopic rust, dirt, and moisture particles that often accumulate in industrial gas cylinders. By preventing these contaminants from reaching the delicate valve seat and neoprene diaphragm, it prevents scoring, internal leaks, and dangerous pressure creep.
While the oxygen model (SR250-OX) is specifically cleaned and calibrated for oxygen service to prevent severe combustion hazards, we offer dedicated models within the exact same series (like the SR250-NI) that are specifically threaded and calibrated for nitrogen and other inert gases, ensuring maximum safety and strict regulatory compliance.
The solder-free internal design significantly reduces routine maintenance. Should the valve seat or diaphragm require replacement after extensive industrial use, the threaded internal components can be easily disassembled with standard hand tools. This allows for rapid field servicing without the need for specialized heating or soldering equipment, getting the unit back online faster.
Yes, the regulators are meticulously machined with standard thread configurations designed to mate perfectly with standard industrial cylinder valves (e.g., CGA 540 for Oxygen, CGA 510 for Acetylene). This ensures a secure, leak-proof metal-to-metal seal without the need for proprietary, third-party adapters.