MSS SP-97 Outlet Fittings
Integrally Reinforced Forged Branch Outlet Fittings: Socket Welding, Threaded, and Buttwelding Ends
High Quality Forged Outlet Fittings
SSM manufactures MSS SP-97 Outlet Fittings in accordance with the standards established by the Manufacturers Standardization Society (MSS) of the Valve and Fittings Industry. These fittings are integrally reinforced forged branch outlet fittings that meet the specifications and requirements of MSS SP-97, and they are suitable for applications requiring branch connections in piping systems.
SSM SP-97 Outlets Fittings Size Types & Class
Correlation of Fittings Class with Schedule Number or Run/Branch Wall Designation of Pipe for Calculation of Ratings
| Class of Fitting | Type | Branch Size | Run Pipe Wall for Ratings Basis | Branch Pipe Wall for Ratings Basis | |
| NPS | DN | ||||
| Standard | Buttwelding | 1/8-24 | 6-600 | Standard | Standard |
| Extra Strong | Buttwelding | 1/8-24 | 6-600 | Extra Strong | Extra Strong |
| Schedule 160 | Buttwelding | 1/2-6 | 15-150 | Schedule 160 | Schedule 160 |
| Double Extra Strong | Buttwelding | 1/2-6 | 15-150 | Double Extra Strong | Double Extra Strong |
| 3000 | Threaded | 1/8-4 | 6-2000 | Extra Strong | Extra Strong |
| 6000 | Threaded | 1/8-2 | 6-50 | Schedule 160 | Schedule 160 |
| 9000 | Threaded | 1/8-2 | 6-50 | Double Extra Strong | Double Extra Strong |
| 3000 | Socket Welded | 1/8-4 | 6-2000 | Extra Strong | Extra Strong |
| 6000 | Socket Welded | 1/8-2 | 6-50 | Schedule 160 | Schedule 160 |
| 9000 | Socket Welded | 1/2-2 | 15-50 | Double Extra Strong | Double Extra Strong |
SSM SP-97 Outlets Fittings by Types
90° Weldolet
The MSS SP-97 90° Weldolet is a high-strength, highly reliable forged branch outlet fitting, suitable for applications requiring 90-degree branch connections in piping systems.
- Size: 1/8-24″
- Materials: Carbon Steel, Stainless Steel, Nickel Alloy, Cooper Nickel Alloy …
90° Threadolet
The MSS SP-97 90° Threadolet is a high-strength, highly reliable forged branch outlet fitting, suitable for applications requiring 90-degree branch connections with threaded ends in piping systems.
- Size: 1/8-4″
- Materials: Carbon Steel, Stainless Steel, Nickel Alloy, Cooper Nickel Alloy …
90° Socketolet
The MSS SP-97 90° Socketolet is a high-strength, highly reliable forged branch outlet fitting, suitable for applications requiring 90-degree branch connections with socket welding ends in piping systems.
- Size: 1/8-4″
- Materials: Carbon Steel, Stainless Steel, Nickel Alloy, Cooper Nickel Alloy …
45° Weldolet
The 45° Weldolet is a welded-type pipe branch connection fitting that connects a branch pipe at a 45° angle. It features a compact structure, high strength, and excellent sealing performance.
- Size: 1/8-24″
- Materials: Carbon Steel, Stainless Steel, Nickel Alloy, Cooper Nickel Alloy …
45° Threadolet
The 45° Threadolet is a threaded-type pipe branch connection fitting that connects a branch pipe at a 45° angle. It features a compact structure, easy installation, and cost-effectiveness.
- Size: 1/8-4″
- Materials: Carbon Steel, Stainless Steel, Nickel Alloy, Cooper Nickel Alloy …
45° Socketolet
The 45° Socketolet is a socket weld-type pipe branch connection fitting that connects a branch pipe at a 45° angle. It features a compact structure, high strength, and excellent sealing performance.
- Size: 1/8-4″
- Materials: Carbon Steel, Stainless Steel, Nickel Alloy, Cooper Nickel Alloy …
SSM SP-97 Outlets Fittings By Materials
ASTM A234/A234M Oulets Fittings
Standard Specification for Carbon and Alloy Steel Pipe Fittings.
Main Materials:
- WPB: Carbon steel, suitable for general applications.
- WPC: Carbon steel, similar to WPB but with slightly different chemical composition.
- WP1/WP11/WP12/WP22/WP5/WP9: Alloy steel, suitable for high-temperature and high-pressure environments.
ASTM A403/A403M Oulets Fittings
Standard Specification for Wrought Austenitic Stainless Steel Pipe Fittings.
Main Materials:
- WP304/304L: General-purpose austenitic stainless steel, suitable for mildly corrosive environments.
- WP316/316L: Molybdenum-containing austenitic stainless steel, with higher corrosion resistance, suitable for chemical and marine environments.
- WP321/347: Stabilized stainless steel (with titanium or niobium), suitable for high-temperature environments.
ASTM A420/A420M Oulets Fittings
Standard Specification for Carbon and Alloy Steel Pipe Fittings for Low-Temperature Service.
Main Materials:
- WPL6: Carbon steel, suitable for low-temperature environments (down to -45°C).
- WPL3: Nickel alloy steel, suitable for even lower temperatures (down to -100°C).
- WPL8: Stainless steel, suitable for low-temperature corrosive environments.
ASTM A815/A815M Oulets Fittings
Main Materials:
- WP F51/F53/F55: Duplex stainless steel (e.g., 2205, 2507), with high strength and corrosion resistance.
- WP F60/F61: Super duplex stainless steel, suitable for highly corrosive environments.
ASTM A105/A105M Oulets Fittings
Standard Specification for Carbon Steel Forgings for Piping Applications.
Main Materials:
- A105: Carbon steel, suitable for general applications, commonly used for valves, flanges, and fittings.
ASTM A182/A182M Oulets Fittings
Main Materials:
- F304/304L, F316/316L: Austenitic stainless steel, suitable for high-temperature and corrosive environments.
- F11, F22: Chromium-molybdenum alloy steel, suitable for high-temperature and high-pressure environments.
- F51/F53/F55: Duplex stainless steel, suitable for applications requiring high strength and corrosion resistance.
ASTM A350/A350M Oulets Fittings
Main Materials:
- LF2: Carbon steel, suitable for low-temperature environments (down to -46°C).
- LF3: Nickel alloy steel, suitable for even lower temperatures (down to -101°C).
ASTM A694/A694M Oulets Fittings
Main Materials:
- F42/F46/F48/F50/F52/F56/F60/F65/F70: High-strength carbon and alloy steel, suitable for high-pressure pipeline systems (e.g., oil and gas transmission).
MSS SP-97 Outlet Fittings Applications
MSS SP-97 Outlet Fittings are widely used across various industries.
- In the oil and gas industry, they are used for branch connections in oil and gas pipeline systems, suitable for high-pressure, high-temperature oil and gas extraction and processing equipment.
- In the chemical industry, they are used in pipeline systems for corrosive media, ideal for transporting chemicals such as acids, alkalis, and solvents.
- In the power industry, they serve as branch connections in steam pipelines and boiler systems, meeting the demands of high-temperature, high-pressure power equipment.
- In shipbuilding and offshore engineering, these fittings are used for branch connections in ship pipeline systems and offshore platforms, suitable for transporting seawater, oil, and other media.
- Additionally, they are widely used in general industrial pipelines for transporting water, air, gases, etc., particularly in applications requiring strong branch connections.
One-Stop Outlets Fittings Provider for All Your Needs
SSM has significant product advantages in manufacturing Outlets Fittings. Whether it’s quality or price, we will meet your needs.
More Information About MSS SP-97 Outlet Fittings
DIMENSIONS of MSS SP -97 Outlets Fittings
Tables 2 through 7 show the fitting’s dimensional requirements in customary units or inches (decimal).
MSS SP 97 90° Branch Outlets – Buttwelding Dimensions
MSS SP 97 90° Branch Outlets – Threaded Dimensions
MSS SP 97 90° Branch Outlets – Socket Welding Dimensions
MSS SP 97 45° Branch Outlets – Buttwelding Dimensions
MSS SP 97 45° Branch Outlets – Threaded Dimensions
MSS SP 97 45° Branch Outlets – Socket Welding Dimensions
Related Products
A105 Class 150 Flanges
A105 Class 150 flange is affordable, versatile, and widely used in low-pressure, non-cryogenic applications. However, it is not suitable for
ASTM A105 Carbon Steel Forged Blind Flange
ASTM A105 blind flange is manufactured from high-strength carbon steel forgings, processed by strict forging and heat treatment, and finished
RTJ Flange
RTJ flange is a high-integrity sealing flange using a metal ring gasket, ideal for high-pressure and high-temperature oil & gas
EN 
DE 
RU 
FA 
ID 
ES 
FR 
NL