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Internal thread 90 degree M&F elbow
Product Detail
Standard





Product introduction
Internal Thread 90° M&F Elbow (Male & Female Threaded Elbow)
1. Product Definition
A 90-degree M&F threaded elbow is a pipe fitting designed to change flow direction at a right angle while featuring male (external) threads on one end and female (internal) threads on the other. This hybrid design enables direct connection between differently configured pipes/fittings without additional adapters.
2. Key Specifications
- Connection Type:
- Female (F) End: Internal NPT/BSPT threads (typically conforming to ASME B1.20.1)
- Male (M) End: External tapered threads with sealant grooves
- Angle: Precise 90° turn (short-radius design standard)
- Materials:
- Carbon steel (ASTM A105)
- Stainless steel (A182 F304/316)
- Brass (UNS C36000)
- Forged construction per ASME B16.11
3. Design Advantages
- Space Optimization: Eliminates need for separate union/nipple
- Leak Prevention: Dual-thread design with proper sealant creates redundant sealing
- Installation Flexibility:
- Male end connects to female-threaded valves
- Female end accepts male-threaded pipes
- Vibration Resistance: Thread locking compounds enhance joint stability
4. Installation Protocol
1. Thread Preparation:
- Clean threads with wire brush
- Apply 2-3 wraps of PTFE tape (or equivalent thread compound)
2. Assembly:
- Hand-tighten male end first (minimum 3 full turns)
- Use strap wrench on hex flats (avoid pipe wrench marks)
3. Final Torque:
- Additional 1-1.5 turns with wrench
- Maximum torque per ASME B31.3 Table A-2B
5. Quality Assurance
- 100% thread gauge inspection (Go/No-Go)
- Hydrostatic tested to 1.5x rated working pressure
- Magnetic particle inspection (MPI) for forged steel units
6. Industry Applications
- Hydraulic Systems: Compact directional changes in manifolds
- Instrumentation: Connection of gauges/transmitters
- Fire Protection: Sprinkler system junctions
- Process Piping: Low-pressure chemical lines
7. Standards Compliance
- ASME B16.11: Forged fittings dimensions
- ASTM A105/A182: Material specifications
- MSS SP-114: Corrosion-resistant threading
Factory
Product packaging
We can provide wooden box packaging, pallet packaging, carton box packaging, and we can accept customized packaging.
FAQ
Q:Can I Get A Sample For Testing?
A:Yes, We Can Provide Free Samples, But You Need To Pay For The Shipping Cost.
Q:Is It Safe On The Payment For Me As We Are The First Cooperation?
A:We Can Do The Trade Assurance On Alibaba, Which Will Guarantee Your Payment Safety, We Also Accept Other Safe Payment Way As You Want.
Q:Do You Accept Product Customization?
A:Yes, We Can Accept Material Customization, Specification Model Customization, Drawing Customization, Packaging Customization.
Q:Can I Put Our Logo On The Product?
A:Yes, We Can Provide You With Laser Engraving Logo And Sticker Logo For Free.
Q:What Is The Moq?
A:For Trial Order, We Can Sell Even One Piece
Q:How Long Is The Product Warranty Period?
A:One Year, If The Product Is Non-Artificially Damaged During The Warranty Period, We Can Provide You With A New Product For Free.
Q:How Long Is The Delivery Time?
A:If We Have Stock, We Will Ship Within 2 Days, If There Is No Stock, We Will Ship Within 5-7 Days.
Q:Do You Accept Oem/Odm Service?
A:Yes, We Can Produce Products According To Your Requirements.
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