We are manufacturer, supplier & stockist of Stainless Steel 316L Thermowell, UNS S31603 Thermowell, 1.4404 Thermowell, JIS SUS 316L Thermowell.
Renine Metalloys LLP stands as a distinguished manufacturer, supplier, and stockist of thermowells, delivering precision-engineered temperature protection solutions to process industries worldwide. With extensive expertise in fabricating critical instrumentation components, the company has established itself as a trusted name for businesses seeking reliable thermowell solutions for temperature measurement and process control applications across diverse industrial sectors.
As a premier thermowell manufacturer, Renine Metalloys LLP specializes in producing high-quality thermowells in various materials including stainless steel thermowells, carbon steel thermowells, Inconel thermowells, Monel thermowells, and Hastelloy thermowells. The company's advanced manufacturing facility produces thermowells in multiple configurations such as flanged thermowells, threaded thermowells, socket weld thermowells, and welded thermowells, ensuring compatibility with diverse process conditions and temperature sensor requirements.
The comprehensive inventory maintained by Renine Metalloys LLP as a dedicated thermowell stockist enables quick delivery and immediate availability of products in standard and custom designs. Whether clients require straight shank thermowells, tapered thermowells, stepped thermowells, or custom-designed thermowells, the company's flexible manufacturing capabilities ensure that specific application requirements are met with precision. This positions them as a dependable thermowell supplier capable of handling both urgent replacements and large-scale project orders.
Quality assurance is paramount at Renine Metalloys LLP. Every thermowell undergoes rigorous testing including dimensional verification, pressure testing, wake frequency calculations, and material certification. The company adheres to international standards such as ASME PTC 19.3 TW, ensuring that each industrial thermowell provides optimal protection for temperature sensors while maintaining process integrity and safety.
Understanding the critical role of thermowells in protecting temperature instruments from harsh process conditions including high pressure, corrosive media, and extreme temperatures, Renine Metalloys LLP offers expert engineering support. Their technical team assists with thermowell selection, wake frequency analysis, and material compatibility assessments, ensuring optimal performance and longevity in applications across oil and gas, chemical processing, petrochemical, pharmaceutical, and power generation industries.
With competitive pricing, certified quality products, and efficient delivery network, Renine Metalloys LLP serves as your comprehensive partner for all thermowell requirements, supporting safe and accurate temperature measurement in critical industrial processes with unwavering reliability and technical excellence.
Stainless Steel 316L Thermowell Manufacturer, UNS S31603 Thermowell Supplier, JIS SUS 316L Thermowell Exporter, 1.4404 Thermowell Stockist.
Specifications
| Standard | ANSI B16.5, DIN, JIS, BS |
| Thermowell Type | Straight / Tapered / Stepped |
| Mounting Style | Threaded (NPT/BSP), Flanged, Socket Weld, Weld-in, Van-Stone |
| Process Connection Size | ½" to 4" (NPT), or Flange: 150#, 300#, 600#, 900#, 1500#, 2500# |
| Size | 4”, 6”, 8”, 12”, 18” Customization is Possible. |
| Shank OD | 6 mm, 8 mm, 10 mm, 12.7 mm, 16 mm, 22 mm, custom |
| Bore Size | 6 mm, 6.5 mm, 8 mm, 9 mm, 12 mm |
| Insertion Length (U-dimension) | 50 mm to 1200 mm |
| Lagging Extension (T-dimension) | Customized: 25–200 mm |
| Overall Length (OAL) | U + T + head length |
| Temperature Rating | –196°C to +800°C (material dependent) |
| Surface Finish (External) | 1.6–3.2 Ra µm |
| Surface Finish (Internal Bore) | 0.8–1.2 Ra µm |
| Finishing | As per material. |
| Tip Thickness | 2 mm to 7 mm |
| Tip Style | Conical / Hemispherical / Flat |
| Weld Type (if welded) | Full-penetration TIG weld |
| Sensor Compatibility | RTD, Thermocouple (J, K, T, N, R, S, B) |
| Thread Type (for threaded wells) | NPT, BSPP, BSPT |
| Coatings (Optional) | PTFE, Ceramic, Electro-polishing |
| NDT Testing | Hydrotest, Dye-Penetration, Ultrasonic, PMI |
| Certification | EN 10204 3.1 / 3.2, IBR (if applicable), Material Test Certificate |
Available type of thermowell
1.4404 Stainless Steel Thermowell
UNS S31603 Flanged Thermowell
Afnor Z3Cnd171102 Sanitary Stepped Thermowell
BS 316S11 Socket Weld Thermowell
1.4404 Weld In Thermowell
UNS S31603 Threaded Thermowell
BS 316S11 Van Stone Thermowell
Afnor Z3Cnd171102 vortex thermowell
Equivalent
| STANDARD | WERKSTOFF NR. | JIS | UNS | BS | AFNOR | GOST | EN |
|---|---|---|---|---|---|---|---|
| SS 316L | 1.4404 / 1.4435 | SUS 316L | S31603 | 316S11 / 316S13 | Z3CND17‐11‐02 / Z3CND18‐14‐032 | 03Ch17N14M3 / 03Ch17N14M2 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Chemical composition
| Element | Composition |
|---|---|
| Nickel | 10 – 14 |
| Carbon | 0.08 max |
| Manganese | 2 max |
| Phosphorus | 0.045 max |
| Sulfur | 0.030 max |
| Silicon | 1 max |
| Chromium | 16 – 18 |
| Molybdenum | 2 – 3 |
Stock available at our warehouse
| 1.4404 Closed End Thermowell | BS 316S11 Van Stone Thermowell |
| UNS S31603 Vortex Thermowell | UNS S31603 Scruton Thermowell |
| Gost 03Ch17N14M3 Sanitary Stepped | UNS S31603 Solid Bar Stock Thermowell |
| JIS SUS 316L Sanitary Stepped |
Afnor Z3Cnd171102 Reduced Tip Thermowell
|
| UNS S31603 Conical Thermowell |
Afnor Z3Cnd171102 Socket Weld Thermowell
|
| BS 316S11 Wake Frequency Thermowell |
1.4404 Wake Frequency Thermowell
|
| 1.4404 Scruton Thermowell | Afnor Z3Cnd171102 Straight Thermowell |
| Gost 03Ch17N14M3 Scruton Thermowell | BS 316S11 Flat Tip Thermowell |
| UNS S31603 Multipoint Thermowell |
1.4404 Socket Weld Thermowell
|
| Gost 03Ch17N14M3 Pointed Tip Thermowell | JIS SUS 316L Socket Weld Thermowell |
Industries We Serves
Chemical industries
Desalination plant
Oil and Gas
Petroleum Refinery
Pharmaceutical industries
Refinery plant
Flanges
block
Testing Facilities
