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The High-Pressure Stainless Steel F/M/F Thread Tee Class 150 is a versatile pipe fitting designed to create three-way connections in threaded piping systems, featuring two female NPT and one male NPT thread for flexible branch configurations. Constructed from 304 or 316 stainless steel, this tee offers a robust solution for medium-pressure applications requiring reliable flow distribution.
Mixed Thread Configuration:
Two female NPT (F) threads on the main line and one male NPT (M) thread on the branch (or vice versa), enabling direct connection to valves, pipes, and instruments without adapters.
Threads compliant with ANSI B1.20.1 (60° taper), rated for working pressures up to 300 PSI (Class 150) with proper sealant (PTFE tape or pipe dope).
Reinforced Structural Design:
Thicker wall at the branch junction (1.3x main wall) withstands pressure surges, reducing the risk of deformation in high-flow systems (e.g., 400 GPM for 3" tee).
Smooth internal surface (Ra ≤1.6μm) minimizes turbulence, with a 90° branch angle for balanced flow distribution.
Material & Performance:
304 stainless steel (ASTM A312) for general industrial use; 316 stainless steel (ASTM A316) for corrosive environments, with temperature range -20°C to 180°C.
Schedule 40 wall thickness ensures durability in moderate-pressure applications, with a minimum tensile strength of 515 MPa.
Compliance & Versatility:
Meet ASME B16.11 and MSS SP-83 standards, available in sizes 1/8" to 4" NPS, with equal tee (all threads same size) and reducing tee (branch smaller) options.
Perfect for threaded branching in industrial and commercial systems:
Compressed Air Networks: Creating connections from main air lines to filters, dryers, and pneumatic tools in factory settings, with 304 stainless steel resisting moisture corrosion.
Hydronic Heating Systems: Distributing hot water from boilers to radiators in commercial buildings, with Class 150 rating suitable for 150 PSI pressure systems.
Chemical Laboratories: Branching chemical feed lines to reactors and analyzers, with 316 stainless steel resisting mild acid and solvent exposure.
Marine Plumbing: Connecting freshwater and wastewater lines on ships, with 316 stainless steel enduring saltwater vapor and vibration.
Q: What is the standard thread orientation for F/M/F tee?
A: Typically, two female threads on the inlet/outlet and male on the branch, but custom orientations are available for specific applications.
Q: Can this tee be used with flared tube fittings?
A: No, designed for NPT threads; use a flare-to-NPT adapter for compatibility with flared tubing systems.
Q: How to prevent thread sealant from entering the pipeline?
A: Apply sealant 1-2 threads back from the end to avoid extrusion into the flow path, especially in small-diameter tees.
Q: Is the tee suitable for high-vibration environments?
A: Yes, but use locknut washers or thread-locking compound to prevent loose connections, especially in machinery-mounted pipelines.
| Parameter | Value |
|---|---|
| Brand Name | LIANHE |
| Size Range | 1/8 inch (DN6) to 4 inches (DN100) |
| Thread Type | F/M/F - BSPT, BSPP, NPT, DIN259/2999, ISO 228 |
| Material | SS201, SS304, SUS304, SS316, SUS316 |
| Pressure Rating | Class150 |
| Standards Compliance | MSS SP43, ISO 4144, GB/T26120 |
| Surface Finish | Acid Pickling |
| Manufacturing Process | Casting, CNC Machining |
| Packaging Options | Plastic Bag - Carton - Wooden Case |
| Certifications | CE, ISO9001:2015 |
| Warranty | 1 Year |
| Customization Options | Logo, Marking, and Packaging Customization |
| Payment Terms | 30% TT Prepayment + 70% Before Shipment, PayPal, Western Union, etc. |
| Shipping Options | Sea Freight, Air Freight, and Express |
| Delivery Time | 3-7 Days (Standard Sizes), 25 Days (Non-Standard Sizes) |
This stainless steel fitting delivers reliable performance and is an essential component for durable and leak-proof pipeline systems. Contact us today for a free sample or to discuss your customization needs.
The High-Pressure Stainless Steel F/M/F Thread Tee Class 150 is a versatile pipe fitting designed to create three-way connections in threaded piping systems, featuring two female NPT and one male NPT thread for flexible branch configurations. Constructed from 304 or 316 stainless steel, this tee offers a robust solution for medium-pressure applications requiring reliable flow distribution.
Mixed Thread Configuration:
Two female NPT (F) threads on the main line and one male NPT (M) thread on the branch (or vice versa), enabling direct connection to valves, pipes, and instruments without adapters.
Threads compliant with ANSI B1.20.1 (60° taper), rated for working pressures up to 300 PSI (Class 150) with proper sealant (PTFE tape or pipe dope).
Reinforced Structural Design:
Thicker wall at the branch junction (1.3x main wall) withstands pressure surges, reducing the risk of deformation in high-flow systems (e.g., 400 GPM for 3" tee).
Smooth internal surface (Ra ≤1.6μm) minimizes turbulence, with a 90° branch angle for balanced flow distribution.
Material & Performance:
304 stainless steel (ASTM A312) for general industrial use; 316 stainless steel (ASTM A316) for corrosive environments, with temperature range -20°C to 180°C.
Schedule 40 wall thickness ensures durability in moderate-pressure applications, with a minimum tensile strength of 515 MPa.
Compliance & Versatility:
Meet ASME B16.11 and MSS SP-83 standards, available in sizes 1/8" to 4" NPS, with equal tee (all threads same size) and reducing tee (branch smaller) options.
Perfect for threaded branching in industrial and commercial systems:
Compressed Air Networks: Creating connections from main air lines to filters, dryers, and pneumatic tools in factory settings, with 304 stainless steel resisting moisture corrosion.
Hydronic Heating Systems: Distributing hot water from boilers to radiators in commercial buildings, with Class 150 rating suitable for 150 PSI pressure systems.
Chemical Laboratories: Branching chemical feed lines to reactors and analyzers, with 316 stainless steel resisting mild acid and solvent exposure.
Marine Plumbing: Connecting freshwater and wastewater lines on ships, with 316 stainless steel enduring saltwater vapor and vibration.
Q: What is the standard thread orientation for F/M/F tee?
A: Typically, two female threads on the inlet/outlet and male on the branch, but custom orientations are available for specific applications.
Q: Can this tee be used with flared tube fittings?
A: No, designed for NPT threads; use a flare-to-NPT adapter for compatibility with flared tubing systems.
Q: How to prevent thread sealant from entering the pipeline?
A: Apply sealant 1-2 threads back from the end to avoid extrusion into the flow path, especially in small-diameter tees.
Q: Is the tee suitable for high-vibration environments?
A: Yes, but use locknut washers or thread-locking compound to prevent loose connections, especially in machinery-mounted pipelines.
| Parameter | Value |
|---|---|
| Brand Name | LIANHE |
| Size Range | 1/8 inch (DN6) to 4 inches (DN100) |
| Thread Type | F/M/F - BSPT, BSPP, NPT, DIN259/2999, ISO 228 |
| Material | SS201, SS304, SUS304, SS316, SUS316 |
| Pressure Rating | Class150 |
| Standards Compliance | MSS SP43, ISO 4144, GB/T26120 |
| Surface Finish | Acid Pickling |
| Manufacturing Process | Casting, CNC Machining |
| Packaging Options | Plastic Bag - Carton - Wooden Case |
| Certifications | CE, ISO9001:2015 |
| Warranty | 1 Year |
| Customization Options | Logo, Marking, and Packaging Customization |
| Payment Terms | 30% TT Prepayment + 70% Before Shipment, PayPal, Western Union, etc. |
| Shipping Options | Sea Freight, Air Freight, and Express |
| Delivery Time | 3-7 Days (Standard Sizes), 25 Days (Non-Standard Sizes) |
This stainless steel fitting delivers reliable performance and is an essential component for durable and leak-proof pipeline systems. Contact us today for a free sample or to discuss your customization needs.
