Buy high-quality Instrumentation Fittings & Flanges including SS 304/316, Alloy Steel, and Carbon Steel options. We supply Precision Instrumentation Fittings, High-Pressure Instrumentation Fittings, ASME B16.5 Flanges, Instrumentation Tube Fittings, Custom Instrumentation Flanges, and Duplex & Super Duplex Fittings for industrial applications.
New Eagle Industrial Corporation is a trusted manufacturer and supplier of high-quality Instrumentation Fittings & Flanges, offering stainless steel, alloy steel, carbon steel, and duplex solutions. Committed to precision, durability, and industry standards.
Instrumentation Fittings & Flanges are critical components in precise process control systems, designed to ensure leak-proof connections in high-pressure and high-temperature environments. Manufactured from premium materials such as stainless steel 304/316, alloy steel, carbon steel, duplex, and super duplex, these fittings and flanges offer exceptional corrosion resistance, mechanical strength, and durability.
Our range includes instrumentation tube fittings, high-pressure fittings, precision fittings, and ASME B16.5 standard flanges, engineered to meet stringent industry standards and specifications. Custom solutions are also available to accommodate specialized process requirements, ensuring reliable performance in power plants, chemical processing, oil & gas, and HVAC systems. Every component is precision-engineered for seamless integration, maintaining system integrity and operational safety across demanding industrial applications.
High-pressure Instrumentation Fittings – Technical Specifications
Instrumentation Fittings – Chemical Composition
This table outlines the standard chemical composition of materials used in instrumentation fittings and flanges as per ASTM and international specifications. The listed elements ensure strength, corrosion resistance, and reliable performance in high-pressure and precision instrumentation systems.
| Grade | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) | N (%) |
|---|---|---|---|---|---|---|---|---|---|
| SS 304 | ≤0.08 | ≤2.00 | ≤1.00 | ≤0.045 | ≤0.030 | 18.0–20.0 | 8.0–10.5 | — | — |
| SS 304L | ≤0.03 | ≤2.00 | ≤1.00 | ≤0.045 | ≤0.030 | 18.0–20.0 | 8.0–12.0 | — | — |
| SS 316 | ≤0.08 | ≤2.00 | ≤1.00 | ≤0.045 | ≤0.030 | 16.0–18.0 | 10.0–14.0 | 2.0–3.0 | — |
| SS 316L | ≤0.03 | ≤2.00 | ≤1.00 | ≤0.045 | ≤0.030 | 16.0–18.0 | 10.0–14.0 | 2.0–3.0 | — |
| A105 | ≤0.35 | 0.60–1.05 | 0.10–0.35 | ≤0.035 | ≤0.040 | — | — | — | — |
| A182 F5 | ≤0.15 | 0.30–0.60 | ≤0.50 | ≤0.030 | ≤0.030 | 4.0–6.0 | — | 0.45–0.65 | — |
| A182 F9 | ≤0.15 | 0.30–0.60 | ≤0.50 | ≤0.030 | ≤0.030 | 8.0–10.0 | — | 0.90–1.10 | — |
| A182 F11 | ≤0.15 | 0.30–0.60 | ≤0.50 | ≤0.030 | ≤0.030 | 1.0–1.5 | — | 0.44–0.65 | — |
| A182 F22 | ≤0.15 | 0.30–0.60 | ≤0.50 | ≤0.030 | ≤0.030 | 2.0–2.5 | — | 0.90–1.10 | — |
| Duplex 2205 | ≤0.03 | ≤2.00 | ≤1.00 | ≤0.030 | ≤0.020 | 22.0–23.0 | 4.5–6.5 | 3.0–3.5 | 0.14–0.20 |
Instrumentation Flanges – Mechanical Properties
This table presents the typical mechanical properties of materials used for instrumentation fittings and flanges, including strength, ductility, and hardness. These properties ensure reliable performance under high pressure, temperature variations, and demanding operating conditions.
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness |
|---|---|---|---|---|
| SS 304 | ≥ 515 | ≥ 205 | ≥ 40 | ≤ 201 HB |
| SS 304L | ≥ 485 | ≥ 170 | ≥ 40 | ≤ 201 HB |
| SS 316 | ≥ 515 | ≥ 205 | ≥ 40 | ≤ 217 HB |
| SS 316L | ≥ 485 | ≥ 170 | ≥ 40 | ≤ 217 HB |
| ASTM A105 | ≥ 485 | ≥ 250 | ≥ 22 | ≤ 187 HB |
| ASTM A182 F5 | ≥ 415 | ≥ 205 | ≥ 20 | ≤ 217 HB |
| ASTM A182 F9 | ≥ 585 | ≥ 415 | ≥ 20 | ≤ 241 HB |
| ASTM A182 F11 | ≥ 415 | ≥ 205 | ≥ 20 | ≤ 217 HB |
| ASTM A182 F22 | ≥ 620 | ≥ 415 | ≥ 20 | ≤ 241 HB |
| Duplex 2205 | ≥ 620 | ≥ 450 | ≥ 25 | ≤ 290 HB |
Instrumentation Fittings & Flanges – Equivalent Grades
This table shows international equivalent grades for instrumentation fittings and flanges to ensure global compatibility and material interchangeability. Equivalent standards help engineers and buyers select the correct material across ASTM, EN, DIN, JIS, BS, and GOST specifications.
| ASTM / ASME | UNS | EN / DIN (WNr) | JIS | BS | GOST |
|---|---|---|---|---|---|
| SS 304 | S30400 | EN 1.4301 (X5CrNi18-10) | SUS 304 | 304S15 | 08Х18Н10 |
| SS 304L | S30403 | EN 1.4307 (X2CrNi18-9) | SUS 304L | 304S11 | 03Х18Н11 |
| SS 316 | S31600 | EN 1.4401 (X5CrNiMo17-12-2) | SUS 316 | 316S31 | 08Х17Н13М2 |
| SS 316L | S31603 | EN 1.4404 (X2CrNiMo17-12-2) | SUS 316L | 316S11 | 03Х17Н14М3 |
| ASTM A105 | K03504 | EN 1.0460 (C22.8) | S20C | 150M19 | 20 |
| ASTM A182 F5 | K41545 | EN 1.7362 (12CrMo9-10) | SCMV2 | 622M19 | 15Х5М |
| ASTM A182 F9 | K90941 | EN 1.7386 (X11CrMo9-1) | SCMV3 | 660M07 | 10Х9М |
| ASTM A182 F11 | K11572 | EN 1.7335 (13CrMo4-5) | SCM415 | 620M15 | 13ХМ |
| ASTM A182 F22 | K21590 | EN 1.7380 (10CrMo9-10) | SCMV4 | 622M25 | 10Х2М |
| Duplex 2205 | S32205 / S31803 | EN 1.4462 (X2CrNiMoN22-5-3) | SUS 329J3L | — | 03Х22Н6М2 |
What is the difference between single and double ferrule compression fittings?
Compression fittings are common in instrumentation lines, and the ferrule configuration determines sealing performance:
- Single Ferrule Fittings: Simple design, easy to assemble, and provides basic leak protection for low- to medium-pressure applications.
- Double Ferrule Fittings: Incorporates a front ferrule (sealing) and a back ferrule (gripping), offering superior vibration resistance, leak-proof performance, and reliability under high-pressure or cyclic pressure conditions. Double ferrule fittings are preferred in critical applications such as hydraulic systems, gas analyzers, and high-pressure instrumentation lines.
How are instrumentation flanges classified for small-bore lines?
Instrumentation flanges are generally classified based on:
- Type: Threaded, Socket Weld, or Weld Neck
- Pressure Rating: 150#, 300#, 600#, 900#, 1500# as per ASME B16.5
- Face Type: Raised Face (RF), Flat Face (FF), or Ring Type Joint (RTJ)
- Bore Size: Typically 1/8″ – 2″ for instrumentation tubing. The correct flange type ensures leak-proof assembly, compatibility with instruments, and resistance to mechanical stresses.
Can instrumentation flanges handle vibration and thermal expansion?
Yes, carefully designed flanges are used to mitigate the effects of:
- Vibration: Double ferrule fittings and socket weld flanges resist loosening or leakage in vibrating pipelines.
- Thermal Expansion: Weld neck and slip-on flanges allow controlled flexibility, preventing stress on instrumentation components.
- Proper flange selection, gasket type, and material choice ensure safe operation in dynamic or thermal cycling environments.
Global Export Network for Instrumentation Fittings & Flangess
As a trusted manufacturer and exporter, New Eagle Steel supplies Instrumentation Fittings & Flanges globally. Our high-performance products are widely used in chemical processing, pollution control, marine, and pharmaceutical industries across Europe, the Middle East, Asia, and the Americas, ensuring exceptional corrosion resistance, reliability, and precision engineering.
- Middle East: United Arab Emirates (UAE), Saudi Arabia, Qatar, Kuwait, Oman, Bahrain, Yemen, Iran, Iraq, Israel, Jordan, Lebanon, Syria, Turkey
- North Africa: Egypt, Algeria, Morocco, Tunisia, Libya
- Asia Pacific: Singapore, Malaysia, Vietnam, Indonesia, Thailand, Philippines, Cambodia, Laos, Myanmar, Brunei, Timor-Leste, Taiwan, Japan, South Korea
- Europe: Spain, Belgium, Netherlands, France, Germany, Italy, United Kingdom (England), Poland, Cyprus, Malta, Russia
- Americas: Brazil, Mexico, Chile, Peru, Colombia, Argentina, United States (USA), Canada
- India: Chennai, Coimbatore, Bangalore, Thiruvananthapuram, Pune, Kolkata, Kerala, Karnataka, Gujarat, Mumbai, Delhi
Applications of Instrumentation Fittings & Flanges Across Industries
Oil & Gas Industry
Petrochemical & Chemical Processing
Power Generation (Thermal, Nuclear & Renewable)
Marine & Offshore Engineering
Pharmaceuticals & Biotechnology
Food, Beverage & Dairy Processing
Pulp & Paper Industry
Aerospace & Defense
Automotive & Transportation
Instrumentation & Control Systems
Water Treatment & Desalination
HVAC & Heat Exchanger Systems
Construction & Infrastructure Projects
Mining & Metallurgy
