MSS SP 97 – Fittinco India Private Limited

MSS SP-97 – Fittinco India Private Limited

Fittinco India Private Limited is a trusted Ahmedabad based Manufacturer & Supplier of high-quality pipe fittings, forged fittings, flanges, and Pre-fabricated Fittings for demanding industrial applications. One of our core product specializations is MSS SP-97, a globally recognized standard for integrally reinforced forged branch outlet fittings used in high-pressure piping systems. With a strong focus on engineering precision, material integrity, and compliance with international norms, Fittinco India Private Limited delivers MSS SP-97 solutions that meet the most stringent performance expectations.

Introduction to MSS SP-97 Standard

MSS SP-97 Standard is developed by the Manufacturers Standardization Society (MSS) and defines requirements for MSS SP-97 Integrally Reinforced Branch Fittings. These fittings are designed to provide a reinforced outlet connection directly on run pipes, eliminating the need for separate reinforcement pads. MSS SP-97 is widely adopted in oil & gas, petrochemical, power generation, chemical processing, refineries, offshore platforms, and high-pressure steam pipelines.

Standard Specifications

Standards

ASME B16.11, ANSI, MSS SP-79, MSS SP-95, BS 3799

Pressure Class

Class 3000, Class 6000, Class 9000

Types

Branch Fittings MSS SP 97

Dimensions

½” to 12” standard diameters, custom sizes available

Forms

MSS SP 97

Branch Fittings – Material Grades & Specifications

Material Type Grade / Alloy Name ASTM / ASME Spec UNS No. EN / DIN JIS SAE / AMS
Carbon Steel CS Branch Fittings (Weldolet / Threadolet) A105 / MSS-SP-97 K03504 1.0460 / P250GH S25C SAE 1020
Low Temp Carbon Steel (LTCS) A350 LF2 / LF3 K03011 1.0488 - -
Alloy Steel F5, F9, F11, F22 Branch Outlets A182 F11 / F22 / F91 K21590 / K11572 1.7335 / 1.7383 STPA22 / 23 SAE 4140
Stainless Steel SS 304 / 304L / 304H A182 F304 / F304L S30403 1.4307 SUS304L SAE 30304L
SS 316 / 316L / 316Ti A182 F316 / F316L S31603 1.4404 SUS316L SAE 30316L
SS 321 / 347 / 904L A182 F321 / F904L S32100 / N08904 1.4541 / 1.4539 SUS321 -
Duplex / Super Duplex Duplex 2205 / SD 2507 A182 F51 / F53 / F55 S31803 / S32750 1.4462 / 1.4410 SUS329J3L SAE J934
High Nickel Alloys Monel 400 / K500 B564 / N04400 N04400 / N05500 2.4360 / 2.4375 - AMS 4544
Inconel 600 / 625 / 718 B564 / N06625 N06600 / N06625 2.4816 / 2.4856 - AMS 5666
Incoloy 800 / 825 / 800H B564 / N08825 N08800 / N08825 1.4876 / 2.4858 - AMS 5581
Hastelloy C276 / C22 / B2 B564 / N10276 N10276 / N06022 2.4819 / 2.4602 - AMS 5754

Fittinco India Private Limited manufactures and supplies a complete range of MSS SP-97 Branch Outlet Fittings with consistent quality, dimensional accuracy, and mechanical strength.

What are MSS SP-97 Integrally Reinforced Branch Fittings?

MSS SP-97 Integrally Reinforced Branch Fittings are forged fittings that form branch connections on pipelines while maintaining pressure integrity. Unlike conventional fabricated branches, these fittings integrate reinforcement into the body itself, reducing stress concentration and improving fatigue resistance.

Common technical names include:

  • Weldolet
  • Sockolet
  • Threadolet
  • Nippolet
  • Elbolet
  • Latrolet

All these outlet fittings manufactured by Fittinco India Private Limited comply fully with MSS SP-97 Standard requirements.

MSS SP-97 Branch Outlet Fittings Applications

Fittinco India Private Limited supplies High Pressure MSS SP-97 Fittings for applications such as:

  • High-pressure steam lines
  • Crude oil and gas transmission
  • Chemical and fertilizer plants
  • Thermal and nuclear power plants
  • Offshore and onshore pipelines
  • Refineries and petrochemical complexes

The reliability of MSS SP-97 Forged Branch Fittings makes them ideal for critical service conditions involving high temperature, pressure, and corrosive environments.

Types of MSS SP-97 Fittings Manufactured

Fittinco India Private Limited offers a wide range of MSS SP-97 outlet configurations to suit diverse piping designs:

MSS SP-97 Socket Weld Fittings

MSS SP-97 Socket Weld Fittings are designed for small-bore, high-pressure piping systems. They provide excellent structural integrity and leak-proof performance.

MSS SP-97 Threaded Fittings

MSS SP-97 Threaded Fittings are suitable for applications requiring easy installation and maintenance. These fittings follow NPT threading standards and are commonly used in instrumentation and auxiliary piping.

MSS SP-97 Butt Weld Fittings

MSS SP-97 Butt Weld Fittings are ideal for high-temperature and high-pressure pipelines where smooth flow characteristics and strong welded joints are essential.

Each fitting type is engineered to meet the exact reinforcement and dimensional criteria of the MSS SP-97 Standard.

Pressure Classes as per MSS SP-97

Fittinco India Private Limited manufactures MSS SP-97 Fittings in multiple pressure ratings to suit system requirements:

  • MSS SP-97 Class 3000 – Suitable for medium to high-pressure applications
  • MSS SP-97 Class 6000 – Designed for higher pressure pipelines
  • MSS SP-97 Class 9000 – Used in extremely high-pressure and critical service systems

These pressure classes ensure compatibility with matching forged fittings and valves in the pipeline system.

Materials and Grades for MSS SP-97 Fittings

Material selection plays a vital role in the performance of High Pressure MSS SP-97 Fittings. Fittinco India Private Limited offers MSS SP-97 products in a wide range of materials and grades:

  • Carbon Steel: ASTM A105, ASTM A350 LF2
  • Low Temperature Carbon Steel: ASTM A350 LF3
  • Alloy Steel: ASTM A182 F5, F9, F11, F22, F91
  • Stainless Steel: ASTM A182 F304, F304L, F316, F316L, F321, F347
  • Duplex Steel: ASTM A182 F51, F53, F55
  • Super Duplex Steel: ASTM A182 F60
  • Nickel Alloys: Inconel, Monel, Hastelloy (as per requirement)

All raw materials are sourced with full traceability and tested to ensure compliance with MSS SP-97 Standard and relevant ASTM specifications.

Technical Specifications of MSS SP-97 Fittings

Fittinco India Private Limited manufactures MSS SP-97 fittings with strict adherence to technical specifications, including:

  • Standard: MSS SP-97
  • Size Range: ½” to 24” branch sizes
  • Run Pipe Compatibility: ASME B36.10 and ASME B36.19
  • End Connections: Socket Weld, Threaded (NPT), Butt Weld
  • Pressure Ratings: MSS SP-97 Class 3000, Class 6000, Class 9000
  • Manufacturing Process: Closed-die forging
  • Heat Treatment: Normalized, quenched & tempered as required
  • Testing: Visual, dimensional, PMI, hardness, NDT upon request

Dimensions and Design Accuracy

Dimensions of MSS SP-97 Branch Outlet Fittings are carefully engineered to ensure proper fit-up with run pipes. The reinforced body thickness, branch bore size, and weld bevels are designed to minimize stress concentration and enhance flow efficiency.

Fittinco India Private Limited ensures that every MSS SP-97 fitting matches standard tolerances for branch diameter, overall height, reinforcement contour, and end preparation.

Weight Considerations

The weight of MSS SP-97 Forged Branch Fittings varies depending on the size of the branch, pressure class, material grade, and type of outlet. Heavier wall thickness in MSS SP-97 Class 9000 fittings ensures higher pressure resistance, while optimized forging design reduces unnecessary mass without compromising strength.

Types of Degree and Outlet Angles

Fittinco India Private Limited offers MSS SP-97 outlet fittings in various configurations and angles to meet piping layout requirements:

  • 90-degree outlet fittings
  • 45-degree outlet fittings
  • Lateral outlets for angled branch connections
  • Elbolets for connections on elbows

These variations provide flexibility in complex pipeline routing.

Quality Assurance and Manufacturing Excellence

At Fittinco India Private Limited, every MSS SP-97 fitting undergoes strict quality control at each production stage. Key quality practices include:

  • Material Test Certificates (EN 10204 3.1)
  • Dimensional verification
  • Mechanical property testing
  • Non-destructive testing when required

MSS SP-97 Fittings Price and Value

MSS SP-97 Fittings Price depends on material grade, size, pressure class, and quantity. Fittinco India Private Limited offers competitive pricing without compromising quality, making us a preferred supplier for domestic and international clients.

Why Choose Fittinco India Private Limited for MSS SP-97?

  • Ahmedabad based Manufacturer & Supplier with global reach
  • Wide range of MSS SP-97 Socket Weld Fittings, MSS SP-97 Threaded Fittings, and MSS SP-97 Butt Weld Fittings
  • Expertise in MSS SP-97 Forged Branch Fittings
  • Strict adherence to MSS SP-97 Standard
  • Custom manufacturing as per project requirements

MSS SP-97 fittings play a critical role in modern high-pressure piping systems, and selecting the right manufacturer is essential for safety and performance. Fittinco India Private Limited stands as a dependable source for MSS SP-97 Integrally Reinforced Branch Fittings, offering precision-engineered products across MSS SP-97 Class 3000, MSS SP-97 Class 6000, and MSS SP-97 Class 9000.

With a strong manufacturing base, technical expertise, and commitment to quality, Fittinco India Private Limited continues to be a preferred name for MSS SP-97 solutions worldwide.

Our Global Reach

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Other Prominent Industrial Hubs / Zones in India: Pithampur (Madhya Pradesh), Agra Industrial Area (UP), Sriperumbudur (Tamil Nadu), Coimbatore Industrial Area (Tamil Nadu), Rourkela Steel & Industrial Area (Odisha), Vapi (Daman & Diu), Bangalore-Peenya (Karnataka), Faridabad (Haryana), Patna Industrial Area (Bihar), Cuttack Industrial Area (Odisha), Manesar (Haryana), Indore Industrial Area (Madhya Pradesh), Jamshedpur (Jharkhand), Bhagalpur Industrial Area (Bihar), Krishnapatnam (Andhra Pradesh), Kolhapur Industrial Estate, Varanasi Industrial Area (UP), Jaipur Industrial Area (Rajasthan), Nagpur Industrial Hub (Maharashtra), Thane Industrial Area (Maharashtra), Bhiwadi (Rajasthan), Ludhiana Industrial Area (Punjab), Hosur (Tamil Nadu), Lucknow Industrial Area (UP), Raipur Industrial Area (Chhattisgarh), Muzaffarpur Industrial Area (Bihar), Udaipur Industrial Area (Rajasthan), Bhubaneswar Industrial Zone (Odisha), Durgapur (West Bengal), Goa Industrial Estate, Chennai Industrial Corridor, Noida (UP), Dhanbad Industrial Area (Jharkhand), Ranchi Industrial Area (Jharkhand), Haldia (West Bengal), Bilaspur Industrial Area (Chhattisgarh), Bangalore-Hebbal (Karnataka), Guwahati Industrial Area (Assam), Kanpur Industrial Area (UP), Alwar Industrial Area (Rajasthan), Tiruppur (Tamil Nadu), Mysore Industrial Area (Karnataka), Greater Noida (UP), Bhopal Industrial Area (Madhya Pradesh), Silvassa (Dadra & Nagar Haveli), Bokaro Steel City (Jharkhand), Visakhapatnam Industrial Area (Andhra Pradesh), Kharagpur Industrial Area (West Bengal)

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