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At Perfect Engineers, every needle valve is manufactured from raw materials that fully comply with the relevant ASTM (American Society for Testing and Materials) standards. These standards define the chemical composition, mechanical properties, and manufacturing criteria for metals used in pressure-retaining components.
Our valves meet global procurement requirements for industries such as oil & gas, chemical, petrochemical, pharmaceuticals, and power generation.
ASTM standards specify:
These are essential for:
Compatibility with ASME B16.34, API 598, and CE/IBR projects
| Material | ASTM Standard | Typical Use/Application |
|---|---|---|
| SS 304 | ASTM A276 / A182 | General purpose, water, clean fluids |
| SS 316/316L | ASTM A276 / A182 | Corrosive fluids, steam, offshore, chemical plants |
| Carbon Steel (CS) | ASTM A105 | Steam, oil, utility piping |
| Brass | ASTM B283 / B16 | Air, water, fuel, HVAC, and low-pressure systems |
| Monel 400 | ASTM B564 | Sea water, acids, brine, chlorinated systems |
| Hastelloy C276 | ASTM B574 / B564 | Strong oxidizers, chloride-rich environments |
| Alloy 20 | ASTM B462 / B473 | Sulphuric acid, chemical processing, pharma |
| Duplex SS 2205 | ASTM A182 F51 | Seawater, high-chloride media, high-pressure systems |
| Super Duplex SS | ASTM A182 F53/F55 | Offshore, desalination, and high-performance systems |
| Inconel 625/825 | ASTM B564 | High-temperature, acid and alkali resistant systems |
| Titanium Gr.2 | ASTM B348 / B381 | High-purity and chemical compatibility requirements |
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Each Perfect Engineers needle valve is supplied with:
| Industry | Reason for ASTM Requirement |
|---|---|
| Oil & Gas | API & ASME compliance, sour service, high pressure |
| Chemical Processing | Acidic/corrosive fluid handling with tight tolerances |
| Power Plants | High temperature and steam service |
| Pharmaceutical | Cleanroom compatibility and chemical purity |
| Marine & Offshore | Saltwater resistance and duplex compliance |
| Water Desalination | High-chloride and pressure-rated duplex alloys |
Yes. Many grades like SS 316, Monel, Duplex are supplied with dual EN + ASTM compliance.
Absolutely. ASTM-grade valves are accepted globally under CE/IBR/API certifications.
Yes. We offer spectro analysis, PMI testing, and TPI witnessing on request.
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