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Product Description
Male Elbow Connecting Union-BSPT
Product Introduction:
he Male Elbow Connecting Union with British System Taper Thread is a high-performance hydraulic and fluid transmission component specifically engineered for marine and industrial piping systems. Designed to provide a reliable 90-degree directional change in tubing layouts, this fitting ensures secure, leak-proof connections under demanding operational conditions. It is available in two primary configurations: the HT/CLR series (ferrule/compression type) and the HT/TLR series (O-ring welding type).
Structural Design & Components:
Based on the provided schematics, the fitting consists of a precision-machined threaded body, a durable nut, and either a ferrule (HT/CLR) or a welding seam with an O-ring (HT/TLR). The HT/CLR model utilizes a ferrule bite-type mechanism for secure tube gripping, while the HT/TLR model is designed for welded tube connections, featuring an O-ring for enhanced sealing. Both designs utilize a British System Taper Thread (BSPT), ensuring excellent sealing properties when mated with corresponding female threads.
Drawing:

Technical Specifications:
| Series | Tube OD | Ordering Code | d | i | L1 | L2 | h | S2 | S3 | Pressure (PN) | |
| HT/CLR dax t | HT/TLR | ||||||||||
| L | 06 06 | HT/CLR06×tL/R1/8* HT/CLR06×tL/R1/4* | HT/TLR06L/R1/8* HT/TLR06L/R1/4* | R1/8tap. R1/4tap. | 9.5 12.0 | 41.5 43.0 | 27 29 | 20 26 | 14 14 | 12 12 | 315 315 |
| 08 08 | HT/CLR08×tL/R1/4* HT/CLR08×tL/R1/8* | HT/TLR06L/R1/4* HT/TLR06L/R1/8* | R1/4tap. R1/8tap. | 14.0 9.5 | 43.5 43.5 | 29 29 | 26 26 | 17 17 | 14 14 | 315 315 | |
| 08 10 | HT/CLR08×tL/R3/8* HT/CLR10×tL/R1/4* | HT/TLR06L/R3/8* HT/TLR06L/R1/4* | R3/8tap. R1/4tap. | 14.0 14.0 | 46.5 48.0 | 32 30 | 28 27 | 17 19 | 19 17 | 315 315 | |
| 10 12 | HT/CLR10×tL/R3/8* HT/CLR12×tL/R3/8* | HT/TLR06L/R3/8* HT/TLR06L/R3/8* | R3/8tap. R3/8tap. | 14.0 14.0 | 49.5 50.0 | 32 32 | 28 28 | 19 22 | 19 19 | 315 315 | |
| 12 12 | HT/CLR12×tL/R1/4* HT/CLR12×tL/R1/2* | HT/TLR06L/R1/4* HT/TLR06L/R1/2* | R1/4tap. R1/2tap. | 14.0 14.0 | 50.0 54.0 | 32 36 | 27 34 | 22 22 | 19 19 | 315 315 | |
| 15 18 | HT/CLR15×tL/R1/2* HT/CLR18×tL/R1/2* | HT/TLR06L/R1/2* HT/TLR06L/R1/2* | R1/2tap. R1/2tap. | 14.0 17.0 | 56.0 62.5 | 36 40 | 34 36 | 27 32 | 19 24 | 315 315 | |
| S | 06 06 | HT/CLR06×tS/R1/4* HT/CLR06×tS/R3/8* | HT/TLR06S/R1/4* HT/TLR06S/R3/8* | R1/4tap. R3/8tap. | 14.0 12.0 | 43.0 45.0 | 31 33 | 26 20 | 17 17 | 14 19 | 400 400 |
| 08 08 | HT/CLR08×tS/R1/4* HT/CLR08×tS/R3/8* | HT/TLR06S/R1/4* HT/TLR06S/R3/8* | R1/4tap. R3/8tap. | 14.0 12.0 | 45.5 46.5 | 32 33 | 27 28 | 19 19 | 17 19 | 400 400 | |
| 10 10 | HT/CLR10×tS/R3/8* HT/CLR10×tS/R1/4* | HT/TLR06S/R3/8* HT/TLR06S/R1/4* | R3/8tap. R1/4tap. | 14.0 14.0 | 51.5 51.5 | 34 34 | 28 28 | 22 22 | 19 22 | 400 400 | |
| 10 12 | HT/CLR10×tS/R1/2* HT/CLR12×tS/R3/8* | HT/TLR06S/R1/2* HT/TLR06S/R3/8* | R1/2tap. R3/8tap. | 14.0 14.0 | 56.5 55.0 | 39 38 | 32 28 | 22 24 | 22 22 | 400 400 | |
| 12 | HT/CLR12×tS/R1/2* | HT/TLR06S/R1/2* | R1/2tap. | 14.0 | 55.5 | 39 | 32 | 24 | 24 | 400 | |
| 14 16 | HT/CLR14×tS/R1/2* HT/CLR16×tS/R1/2* | HT/TLR06S/R1/2* HT/TLR06S/R1/2* | R1/2tap. R1/2tap. | 14.0 17.0 | 58.5 65.0 | 40 43 | 32 32 | 27 30 | 19 24 | 400 400 | |
Note: *Material:C-Carbon steel; P-Stainless steel; T-Brass.
Extrusion Type Pipe Joint Nominal Pressure Levels:

Product Features:
1. 90-Degree Directional Design:Specifically engineered to facilitate a 90-degree change in tubing direction. This elbow configuration is ideal for optimizing routing in tight, confined marine and hydraulic system spaces.
2. Dual Connection Configurations:Available in two distinct mechanical designs to suit various installation requirements
3. British System Taper Thread (BSPT):Equipped with male BSPT threads. The tapered thread design ensures a tight, reliable seal under pressure without the need for additional sealing washers.
4.Robust Marine-Grade Construction:Built to resist vibration, thermal expansion, and the harsh corrosive elements of shipboard environments, ensuring long-term reliability and structural integrity.
Applications:
Ideal for shipbuilding, marine engineering, offshore oil and gas platforms, and heavy-duty hydraulic power systems. The robust construction ensures resistance to vibration, thermal expansion, and corrosive marine environments.