SR450
STAREX
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As a premier manufacturer and supplier of industrial gas control equipment, we present the Extra Heavy Duty 450 Series Regulator. Engineered specifically for rigorous industrial procurement demands, this single-stage regulator ensures precise, unwavering gas control for oxygen, acetylene, propane, and nitrogen applications.
Forged brass construction for extreme structural durability
Stainless steel diaphragms for an extended operational lifespan
Solder-free internal architecture to minimize routine maintenance costs
Purpose-built for heavy-duty cutting, heating, and fabrication environments
Equip your industrial operations with the Extra Heavy Duty 450 Series Regulator, meticulously engineered to handle the most demanding cutting, heating, and welding environments known to the fabrication industry. When you grip the substantial forged brass body, the sheer weight and solid metallic coldness immediately convey its premium, industrial-grade manufacturing. The smooth, frictionless turn of the forged adjusting knob—powered by a precision stainless steel ball mechanism—allows operators to dial in exact pressure settings with effortless tactile feedback, eliminating the frustrating stiffness and grinding found in lesser models. Designed to withstand the harsh realities of heavy fabrication shops, scrap yards, and shipyard environments, this regulator resists severe impact and environmental wear while maintaining exceptional gas flow stability. By eliminating soldered joints within its architecture, the regulator not only guarantees a purer gas pathway but also dramatically reduces the likelihood of structural fatigue over years of relentless high-pressure cycles. Whether your facility relies on oxygen, acetylene, propane, or nitrogen, this robust instrument delivers unwavering consistency, ensuring your production lines remain active, safe, and highly efficient without the constant need for equipment replacement.
| Model | Gas | Max. Inlet Pressure (PSI) | Delivery Pressure (PSI) | Max. Working Pressure (PSI) |
|---|---|---|---|---|
| SR450-OX | Oxygen | 3000 | 200 | 150 |
| SR450-AC | Acetylene | 300 | 15 | 10 |
| SR450-LP | Propane | 300 | 60 | 36 |
| SR450-NI | Nitrogen | 3000 | 200 | 150 |
Maximizing operational uptime and ensuring precise output are critical metrics for large-scale industrial fabrication. The 450 Series Regulator is packed with structural and functional enhancements specifically developed to solve common gas control challenges, offering procurement managers a highly reliable asset that significantly lowers long-term replacement costs.
Single-Stage Construction: Delivers reliable, uninterrupted pressure control across varying cylinder volumes, keeping torch flames highly stable during extended use.
Side Entry Design: Facilitates streamlined cylinder attachment, keeping heavy industrial hoses neatly routed and reducing workspace clutter.
Solder-Free Architecture: Entirely eliminates soldered joints, drastically reducing internal weak points that are prone to cracking under high-pressure stress.
Stainless Steel Diaphragms: Resists extreme temperature fluctuations and mechanical wear, offering a significantly longer service life than standard rubber alternatives.
Effortless Adjustability: Features a forged adjusting knob integrated with a stainless steel ball, providing a buttery-smooth rotation that resists thread wear over time.
Industrial environments are unforgiving, requiring equipment that can endure constant physical impact, abrasive dust, and high-pressure exposure. We utilize uncompromising materials to ensure your investment survives the harshest conditions without faltering.
Constructed with a heavy-duty forged brass body and bonnet, offering superior tensile strength against accidental drops, tool strikes, and environmental degradation.
Equipped with highly resilient stainless steel diaphragms that refuse to degrade, warp, or rupture under continuous heavy-duty usage, unlike traditional elastomers.
The forged adjusting knob with an integrated stainless steel ball prevents galling and stripping, ensuring the mechanism remains flawless even after thousands of micro-adjustments by operators wearing heavy leather gloves.
Fluctuating gas pressure can ruin a critical structural weld or stall a massive cutting operation, leading to costly rework. This regulator is calibrated to deliver absolute consistency, empowering your workforce to execute precise tasks without frustrating interruptions.
The advanced single-stage reduction mechanism instantly adapts to cylinder pressure changes, maintaining a steady, reliable delivery flow to the torch tip.
Engineered to handle extreme input pressures up to 3000 PSI for Oxygen and Nitrogen models, accommodating fully loaded industrial cylinders safely and efficiently.
Provides pinpoint delivery pressure accuracy, allowing operators to fine-tune outputs from a delicate 10 PSI for acetylene up to a forceful 150 PSI for heavy oxygen lancing.
Available in specific models tailored for Oxygen, Acetylene, Propane, and Nitrogen, streamlining your facility's equipment standardization across different departments.
Protecting your workforce and facility infrastructure is the ultimate priority in any industrial setting. This series integrates proactive, fail-safe mechanisms to mitigate the severe risks associated with high-pressure gas handling.
The oxygen regulator model features a precisely calibrated built-in safety relief valve, automatically venting excess pressure to prevent catastrophic blowouts in the event of a seat failure.
Optional gauge protectors are readily available, wrapping the sensitive brass and glass dials in thick, shock-absorbing barriers to survive heavy tool impacts and cylinder tip-overs.
The robust structural integrity and precision-machined threads prevent internal and external gas leaks, ensuring a secure breathing environment in enclosed fabrication shops.
Contaminated gas lines lead to clogged cutting tips, erratic flames, and premature internal equipment failure. Our advanced filtration system acts as an impenetrable fortress for the regulator's sensitive internal mechanics.
Integrates a high-density sintered metal inlet filter that aggressively traps microscopic rust, dust, and cylinder debris before they can enter the delicate valve seat area.
Maintains the absolute purity of the gas stream, which is a critical factor for achieving clean, oxidation-free welds and smooth, dross-free cutting edges.
Significantly reduces internal wear and tear on the seating mechanism, effectively extending the maintenance interval and operational lifespan of the entire unit.
Equipment downtime is a direct hit to your operational profitability. We designed this heavy-duty regulator to be as maintenance-friendly as possible, ensuring rapid servicing without the need to ship units back to the factory.
The innovative "no soldered joints" design means internal components can be easily accessed, inspected, and replaced by your on-site maintenance crew using standard hand tools.
Eliminates the need for complex and risky desoldering during routine rebuilds, cutting maintenance labor time by more than half compared to legacy regulator designs.
Standardized internal parts ensure that servicing the unit is straightforward, keeping your facility's inventory of replacement parts minimal, organized, and cost-effective.
Versatility across different workstations ensures maximum return on your equipment investment. This regulator seamlessly integrates into diverse industrial setups, from mobile carts to massive stationary manifolds.
Perfectly suited for the most demanding heavy-duty applications, including scrap yard steel cutting, structural steel heating, and continuous production-line welding.
Features standard side-entry connections that are universally compatible with standard industrial cylinder valves, including widely utilized CGA interface standards.
Engineered with full Victor compatibility in mind, allowing procurement teams to seamlessly upgrade their existing setups without needing to replace entire torch kits or manifold systems.
When procuring life-safety equipment for large-scale operations, unverified quality is a risk you simply cannot afford. Our manufacturing process is governed by strict international standards to guarantee defect-free delivery on every order.
Every single unit undergoes rigorous, documented high-pressure testing before leaving the facility, ensuring absolute zero-leak performance right out of the box.
Manufactured under stringent, internationally recognized quality management systems to guarantee flawless batch-to-batch consistency for large volume orders.
Engineered to comply with major global safety and performance standards, giving procurement officers and safety inspectors total peace of mind when outfitting their fleets.
Selecting the right manufacturing partner is just as critical as selecting the right equipment. As a dedicated supplier to the global industrial sector, we understand that procurement managers demand reliability, scalability, and uncompromising quality. We bridge the gap between premium engineering and highly cost-effective supply chain solutions.
Direct Manufacturer Advantage: By sourcing directly from our advanced production facilities, you eliminate unnecessary middleman markups, ensuring highly competitive pricing for large-scale facility outfitting.
Scalable Production Capacity: Whether your operation requires a dozen units for a specialized workshop or thousands of units for a multinational shipbuilding project, our agile manufacturing lines guarantee on-time delivery.
Unwavering Quality Assurance: We treat every high-pressure regulator as a critical life-safety device. Our multi-stage inspection protocols mean you never have to worry about receiving defective or substandard batches.
Dedicated Technical Support: Our team of engineering experts is always on standby to assist your procurement and maintenance departments with precise product selection, technical documentation, and lifecycle support.
Find detailed answers to the most common technical and operational inquiries regarding our heavy-duty gas control equipment to help inform and streamline your procurement decisions.
Soldered joints are notorious weak points in high-pressure gas equipment, often cracking under repeated pressure cycling, thermal shock, or physical impact. By eliminating these joints, our regulator utilizes advanced mechanical seals and forged connections that drastically improve overall structural integrity. This not only prevents dangerous microscopic leaks but also allows your maintenance team to easily disassemble and service the unit without requiring specialized heating tools.
Industrial gas cylinders, especially older ones, often contain microscopic rust, scale, and debris. If these abrasive particles reach the internal valve seat, they can cause friction, leading to dangerous pressure creep and eventual failure. The sintered metal filter acts as a highly durable, porous barrier that traps these impurities right at the inlet, ensuring only pure gas flows through the mechanism, thereby dramatically extending the lifespan of the regulator.
Absolutely. While dual-stage regulators are typically reserved for extreme laboratory precision over long periods, our Extra Heavy Duty 450 Series features an oversized stainless steel diaphragm and a highly responsive seating mechanism. This robust engineering allows it to instantly compensate for the gradual drop in cylinder pressure, providing a highly stable delivery pressure that keeps cutting and heating flames consistent throughout the entire industrial operation.
The built-in safety relief valve is specifically engineered into the oxygen and nitrogen models (SR450-OX and SR450-NI) due to the extreme high-pressure nature of these specific gases, which utilize up to 3000 PSI inlet pressure. It is designed to automatically vent excess pressure in the rare event of an internal seat failure, proactively protecting both the operator and the downstream equipment from catastrophic over-pressurization.
While the brass gauges themselves are built to strict industrial standards, we highly recommend the optional gauge protectors for chaotic environments like scrap yards, construction sites, or busy fabrication floors where accidental tool strikes are common. These protectors are made from specialized shock-absorbing materials and slip snugly over the casings, absorbing severe impacts that would otherwise shatter the glass lenses or permanently damage the delicate internal bourdon tubes.
In standard, lower-tier regulators, the brass adjusting screw grinds directly against the internal spring button, causing friction, metal wear, and a "jerky" feel when attempting to adjust pressure. By integrating a hardened stainless steel ball bearing into the tip of the forged adjusting knob, we completely eliminate this friction. This provides a butter-smooth, highly wear-resistant adjustment experience, allowing operators to dial in exact pressures effortlessly, even while wearing heavy protective welding gloves.
