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When conventional metals fail, Alloy Ball Valves step in to offer unmatched strength, chemical resistance, and high-temperature performance. At Perfect Engineers, we manufacture and supply special alloy ball valves made from high-performance materials like Hastelloy®, Inconel®, Monel®, Duplex, Super Duplex, Alloy 20, Titanium, and more—to meet the most demanding applications in oil & gas, marine, chemical, and nuclear industries.
An Alloy Ball Valve is a type of quarter-turn valve constructed from non-standard, corrosion-resistant metal alloys designed to withstand extreme process conditions—including:
These valves are critical for ensuring safety, reliability, and compliance in mission-critical systems.
Parameter | Specification |
Size Range | ½” to 12” (DN15 to DN300) |
Pressure Rating | PN10–PN250 / Class 150–2500 |
Alloys Available | Hastelloy C276/C22, Inconel 625/825, Alloy 20, Monel 400/K500, Super Duplex, Titanium Grade 2 & 5 |
Seat Materials | PTFE, Graphite, PEEK, Metal Seated |
Temperature Range | -50°C to +400°C (depending on alloy & seat) |
End Connections | Flanged / Screwed / Welded / Clamp / Custom |
Operation | Manual / Pneumatic / Electric (ISO 5211) |
Certifications | CE, IBR, ATEX, API 607, ISO 9001 (available on request) |
Alloy | Ideal For |
Hastelloy C276/C22 | Oxidizing & reducing agents, acids, chlorides |
Inconel 625/825 | High-temperature, seawater, and chemical media |
Alloy 20 | Sulfuric acid, nitric acid, food & pharma acids |
Monel 400/K500 | Marine water, brine, HF acid, caustics |
Duplex / Super Duplex | Chloride-rich water, saltwater, offshore |
Titanium Grade 2/5 | High strength, biocompatibility, saline environments |
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Alloy ball valves are used in systems where standard materials like carbon steel or stainless steel fail, especially in acidic, saline, or extreme-temperature environments.
Yes—all our valves come with ISO 5211 mounting pads and can be fitted with electric or pneumatic actuators.
Super Duplex has higher strength and corrosion resistance, especially in chloride-rich or seawater applications.
Yes—fire-safe options certified to API 607 are available with graphite sealing.
Absolutely. All alloy valves are delivered with mill test certificates (EN 10204 3.1) and traceable heat numbers.
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