A BPE short outlet tri-clamp tee (such as the S7MPS or S7RMPS) is a high-purity, stainless steel sanitary fitting used i...
Inquire1. Brief Introduction of Products:
The long-type tri-clamp concentric reducers provide a hygienic, sanitary connection for transitioning between different pipe sizes in dairy, food, beverage, and pharmaceutical processes. Their extended cone shape ensures a smooth, gradual flow transition that reduces turbulence, agitation, and potential contamination compared to shorter or non-concentric alternatives.
Key Advantages:
• Reduced Turbulence: The long taper allows for a smoother, less agitated flow when transitioning between diameters, which is crucial for sensitive products.
• Hygienic/Sanitary Design: These fittings are generally manufactured from high-quality, corrosion-resistant 304 or 316L stainless steel, supporting 3A sanitary standards and ensuring easy cleaning and inspection.
• Reduced Contamination Risk: The absence of threads, bolts, or sharp corners significantly lowers the risk of trapped particles, ensuring high-quality, sanitary processing.
• Fast Assembly and Maintenance: The tri-clamp design enables quick assembly and disassembly with standard clamps and gaskets, allowing for quick, on-the-spot, sanitary maintenance or system modifications without specialized tools.
• Standardized Sizes: They are available in a wide range of standard sizes and materials, allowing for easy integration into existing equipment and standard piping systems.
• Versatile Flow: While optimal for vertical, downward flow, they work well in horizontal setups that require non-turbulent fluid transfer.
2. Technical Specification:

3A Standards
| Size | A×B | K1×K2 | L1 | T |
| 3/4"-1/2" | 19×12.7 | 25.2×25.2 | 50.8 | 1.65×1.65 |
| 1"-1/2" | 25.4×12.7 | 50.5×25.2 | 76.2 | 1.65×1.65 |
| 1"-3/4" | 25.4×19 | 50.5×25.2 | 50.8 | 1.65×1.65 |
| 1 1/2"-3/4" | 38.1×19 | 50.5×25.2 | 101.6 | 1.65×1.65 |
| 1 1/2"-1" | 38.1×25.4 | 50.5×50.5 | 76.2 | 1.65×1.65 |
| 1 1/2"-1/2" | 38.1×12.7 | 50.5×25.2 | 127 | 1.65×1.65 |
| 2"-1/2" | 51×12.7 | 64×25.2 | 177.8 | 1.65×1.65 |
| 2"-3/4" | 51×19 | 64×25.2 | 152.4 | 1.65×1.65 |
| 2"-1" | 50.8×25.4 | 64×50.5 | 127 | 1.65×1.65 |
| 2"-1 1/2" | 50.8×38.1 | 64×50.5 | 76.2 | 1.65×1.65 |
| 2 1/2"-1 1/2" | 63.5×38.1 | 77.5×50.5 | 127 | 1.65×1.65 |
| 2 1/2"-2" | 63.5×50.8 | 77.5×64 | 76.2 | 1.65×1.65 |
| 3"-1" | 76.2×25.4 | 91×50.5 | 228.6 | 1.65×1.65 |
| 3"-1 1/2" | 76.2×38.1 | 91×50.5 | 177.8 | 1.65×1.65 |
| 3"-2" | 76.2×50.8 | 91×64 | 127 | 1.65×1.65 |
| 3"-2 1/2" | 76.2×63.5 | 91×77.5 | 76.2 | 1.65×1.65 |
| 4"-1/2" | 101.6×38.1 | 119×50.5 | 282.5 | 2×1.65 |
| 4"-2" | 101.6×50.8 | 119×64 | 231.8 | 2×1.65 |
| 4"-2 1/2" | 101.6×63.5 | 119×77.5 | 181 | 2×1.65 |
| 4"-3" | 101.6×76.2 | 119×91 | 130.2 | 2×1.65 |
| 6"-3" | 152.4×76.2 | 167×91 | 263.5 | 2.8×1.65 |
| 6"-4" | 152.4×101.6 | 167×119 | 266.7 | 2.8×2.1 |
This product are also available in DIN, ISO/IDF, SMS, BSP standards. Please feel free to contact us if you need it in other standards!
3. Key Applications and Use Cases:
The S31-14MP long-type tri-clamp reducer is a premium stainless steel sanitary fitting used to connect pipes or tubes of different diameters while maintaining a completely hygienic, leak-proof seal.
Because it meets stringent sanitary and bioprocessing standards (often ASME BPE or 3-A), it is essential in industries requiring frequent cleaning, sterilization, and non-contaminating environments:
• Pharmaceutical & Biotech: Used in fluid transfer lines, filtration setups, and skid systems where high polish and zero crevices for bacteria growth are required.
• Food & Beverage Processing: Found in dairy, brewing, winery, and juice systems where smooth transitions and clean-in-place (CIP) capabilities are necessary to prevent product buildup.
• Cosmetics: Utilized in production lines to step-down tube diameters for mixing, filling, and transferring viscous or liquid products.
• Semiconductor & High-Purity Water: Deployed in ultra-clean water (WFI) systems and chemical delivery lines where surface finish prevents particulate shedding.
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