| 1 | Profile A Process and pipeline specialist | Axial-flow Dual-plate Nozzle | Carbon steel, stainless steel, duplex stainless steel, nickel-alloy trim, and elastomer or metal sealing options. | Class 150–2500; PN10–PN420 depending on design and size. | DN15–DN1200; NPS ½–48 | Wafer, lug, flanged, butt-weld, and socket-weld connections. | API 6D, API 594, ASME B16.34, ASME B16.5, ASME B16.10, API 598, and ISO 5208. | Low pressure drop, short face-to-face length, tight shutoff, and stable operation during flow reversal. | Request Cv or Kv data, allowable installation orientation, spring material, fugitive-emission options, and complete pressure-test records. |
| 2 | Profile B Heavy-duty industrial supplier | Swing Tilting-disc Piston | WCB carbon steel, low-temperature carbon steel, 316 stainless steel, alloy steel, hardfaced seats, and graphite packing. | Class 150–1500; PN16–PN250 for selected product families. | DN25–DN1000; NPS 1–40 | RF flanged, RTJ flanged, butt-weld, and wafer configurations. | API 6D, API 594, ASME B16.34, API 598, ISO 5208, and MSS SP-61 where applicable. | High mechanical strength, resistance to water hammer, dependable backflow prevention, and maintainable internals. | Compare disc travel, hinge-pin design, seat replaceability, minimum closing velocity, and low-temperature impact-test documentation. |
| 3 | Profile C Corrosion-resistant valve producer | Lift Piston Spring-loaded | Austenitic stainless steel, duplex stainless steel, super duplex, alloy 20, nickel alloys, PTFE, and PEEK components. | Class 150–1500; PN16–PN250 depending on material and pressure-temperature rating. | DN15–DN400; NPS ½–16 | Threaded, socket-weld, flanged, wafer, and butt-weld ends. | ASME B16.34, API 598, ISO 5208, ASME B16.5, ASME B16.10, and NACE MR0175/ISO 15156 when specified. | Resistance to chloride environments, reliable sealing, controlled lift, and suitability for chemically aggressive media. | Verify corrosion allowance, chloride limits, material certificates, heat-treatment records, and compatibility of non-metallic parts. |
| 4 | Profile D Compact utility and HVAC supplier | Wafer butterfly Dual-plate Inline spring | Ductile iron, cast iron, carbon steel, stainless steel, EPDM, NBR, and metal-to-metal seat options. | PN6–PN40; Class 125–300. | DN25–DN600; NPS 1–24 | Wafer, lug, grooved, threaded, and flanged connections. | EN 12334, EN 1092-1, API 594, API 598, ISO 5208, and relevant local pressure-equipment requirements. | Low mass, economical installation, low cracking pressure, and reduced space requirements. | Check pressure rating by temperature, rubber compound compatibility, pipe alignment tolerance, and actual cracking-pressure data. |
| 5 | Profile E Oil and gas pipeline supplier | Full-bore swing Slab check Axial | Forged carbon steel, low-temperature steel, stainless steel trim, tungsten-carbide coatings, and sour-service materials. | Class 300–2500; PN50–PN420. | DN50–DN1200; NPS 2–48 | RF, RTJ, butt-weld, and flanged ends with optional piggable bore designs. | API 6D, ASME B16.34, ASME B16.5, ASME B16.10, API 598, ISO 5208, and NACE MR0175/ISO 15156 where required. | Full-pressure containment, low permanent pressure loss, anti-slam operation, and suitability for pipeline pigging. | Confirm pipeline design compatibility, surge analysis, sour-service compliance, fire-safe requirements, and traceability from casting to test. |
| 6 | Profile F Water and wastewater specialist | Swing Ball check Tilting-disc | Ductile iron, coated carbon steel, stainless steel, aluminum bronze, EPDM, NBR, and polyurethane-lined components. | PN6–PN40; Class 125–300. | DN50–DN2000; NPS 2–80 | Flanged, wafer, grooved, and restrained-joint configurations. | EN 12334, EN 1092-2, ISO 5208, AWWA C508 or C512 where applicable, and NSF/ANSI 61 for potable-water applications when certified. | Resistance to suspended solids, low maintenance, reduced slam, and reliable operation at variable flow rates. | Evaluate coating thickness, sewage or potable-water approval, debris tolerance, installation orientation, and pump-system surge behavior. |
| 7 | Profile G Power-generation valve supplier | Tilting-disc Lift check Piston | Alloy steel, stainless steel, cobalt-free hardfacing, graphite, high-temperature alloys, and engineered thermoplastics for auxiliary services. | Class 150–4500; PN16–PN630 for selected designs. | DN15–DN900; NPS ½–36 | Socket-weld, butt-weld, flanged, threaded, and compact forged-body ends. | ASME B16.34, ASME B16.5, ASME B16.10, API 598, ISO 5208, and project-specific power-sector specifications. | High-temperature stability, low leakage, resistance to thermal cycling, and predictable dynamic response. | Review pressure-temperature curves, thermal-cycle qualification, trim hardness, weld procedures, and component non-destructive examination. |
| 8 | Profile H Instrumentation and micro-valve supplier | Poppet Piston Diaphragm | 316 or 316L stainless steel, brass, nickel-plated brass, PTFE, PEEK, FKM, and EPDM. | Vacuum to approximately 1,000 bar for selected forged or tube-end designs. | DN2–DN50; NPS 1/16–2 | Tube fitting, compression, NPT, BSP, face-seal, and mini-flanged connections. | ASME B16.34 where applicable, ISO 5208, ISO 15848 for specified emission testing, and instrument-tubing standards relevant to the connection. | Low internal volume, fast response, low cracking pressure, bubble-tight shutoff, and repeatable cycling. | Confirm media cleanliness, dead volume, leakage class, surface finish, particle-control procedures, and pressure-test medium. |
| 9 | Profile I Sanitary and hygienic-process supplier | Sanitary inline Ball check Poppet | 304 or 316L stainless steel, EPDM, silicone, PTFE, FKM, and other FDA-compliant elastomers when specified. | Vacuum to approximately 25 bar for common hygienic-process designs; rating varies by temperature and connection. | DN10–DN150; NPS ½–6 | Tri-clamp, butt-weld, ISO hygienic, DIN hygienic, and threaded connections. | ISO 2852, ASME BPE where applicable, EHEDG or 3-A requirements where certified, and ISO 5208 for specified pressure testing. | Drainability, cleanability, low product retention, smooth internal surfaces, and compatibility with CIP and SIP cycles. | Check internal roughness, dead-leg ratio, elastomer certification, weld quality, sterilization temperature, and cleaning validation support. |
| 10 | Profile J General-purpose engineered valve supplier | Spring check Lift check Swing | Brass, bronze, cast iron, ductile iron, carbon steel, stainless steel, PTFE, NBR, EPDM, and FKM. | PN6–PN100; Class 125–600 depending on product family. | DN15–DN500; NPS ½–20 | Threaded, soldered, grooved, wafer, and flanged ends. | EN 12334, ASME B16.34, API 598, ISO 5208, ASME B16.5, and applicable regional product standards. | Broad application coverage, accessible replacement parts, stable sealing, and competitive total ownership cost. | Compare lifecycle cost, spare-part availability, warranty terms, batch consistency, documentation quality, and supplier inspection capability. |