Sanitary Tri-Clamp Clear TPU Flexible Connector (FDA Food-Grade & Tool-Free Quick Release)
![Tool-Free Quick Release Hygienic PU Sleeve with Stainless Steel Clamp]()
![Sanitary Tri-Clamp Clear Ether-TPU Flexible Connector for Powder Handling]()
1. Why Switch to SOSHH® TC Quick-Clamp Connectors? (Solving Process Pain Points)
- Zero Crevice & No Gasket Contamination: Traditional hose clamps or separate silicone gaskets trap powder residues and risk product recalls from loose rubber particles. Our integrated Tri-Clamp design forms an airtight, flush transition inside the conduit, fully compatible with Clean-in-Place (CIP) washdowns.
- 30-Second Tool-Free Maintenance: Replace worn connectors or inspect process flow within seconds without hand tools. Maximizes line uptime during product changeovers on sifters, feeders, and bulk bag dischargers.
- Superior Tear & Abrasion Resistance (3–5x Rubber Life): Manufactured from high-purity ether-grade polyurethane, offering remarkable tensile strength, flex-fatigue life under dynamic oscillation, and permanent hydrolysis resistance.
- Real-Time Material Flow Visualization: Optical clarity allows plant operators to monitor powder bridging, blockages, or flow consistency without breaking the sealed system.
2. Technical Specifications
| Parameter | Specification & Engineering Data |
| Material Formulation | 100% Virgin Polyether-based TPU (Ether-TPU) |
| End Connection | Sanitary Tri-Clamp / Clover Ferrule (Standard ASME BPE / DIN 32676 / ISO 2852) |
| Clamp & Ferrule Material | 304 Stainless Steel (316L SS available upon request) |
| Working Temperature | -40°C to +90°C (-40°F to +194°F) |
| Operating Pressure | Full Vacuum (-0.5 bar) up to 2.0 bar (Positive pressure) |
| Material Hardness | 85 Shore A (Flexible, non-kinking) |
| Wall Thickness | Standard 1.5 mm (1.0 mm ultra-flex & 2.0 mm heavy-duty available) |
| Regulatory Compliance | FDA 21 CFR 177.2600, GB 31604.30 (Phthalate-Free / N.D.), RoHS / REACH |
3. Standard Dimensions & Selection Chart
| Nominal Ferrule OD (mm) | Matching Pipe Size | Standard Lengths (mm) | Reinforcement Options |
|---|
| 89.0 mm | 3" / DN75 | 100 / 150 / 200 / 300 | Plain / Stainless Support Ring |
| 102.0 mm | 3.5" | 100 / 150 / 200 / 300 | Plain / Stainless Support Ring |
| 133.0 mm | 4.5" | 150 / 200 / 300 / 500 | Plain / Double Reinforcement |
| 159.0 mm | 6" / DN150 | 150 / 200 / 300 / 500 | Plain / Vacuum Support Ring |
| 219.0 mm | 8" / DN200 | 150 / 200 / 300 / 500 | Plain / Double Reinforcement |
| 254.0 mm | 10" / DN250 | 150 / 200 / 300 / 500 | Vacuum Support Ring |
| 304.0 mm | 12" / DN300 | 200 / 300 / 500 | Vacuum Support Ring |
(Note: Custom lengths, conical reducers, and eccentric offsets are fabricated within 3–5 business days.)
4. Primary Applications
- Vibratory Screeners & Sifters: Absorbs 3D multidirectional oscillation without fatigue cracking.
- Pharmaceutical Granulators & Capsule Fillers: 100% dust containment preventing cross-contamination in cleanrooms.
- Dairy & Food Ingredients: Milk powder, infant formula, flour milling, starch drying, and sugar processing.
- Pneumatic Conveying & Loss-in-Weight Feeders: Eliminates side-load weight transmission to load cells.
5. Related Technical Guides
- Troubleshooting: Why Vibrating Sifter Sleeves Tear at Clamp Edges (and How Polyether TPU Fixes It)
- Compliance: Is Polyurethane Food-Contact Safe? FDA 21 CFR 177.2600 Compliance Guide
- Vacuum Lines: How to Prevent Flexible Sleeves from Collapsing Under Vacuum Pressure
6. Request a Custom Engineering Drawing or Free Trial Sample
Need a specific ferrule diameter or anti-static formulation? Contact our engineering desk at amin@soshh.com or send us your CAD connection drawing for an instant DDP quote. Free test samples are available for certified equipment manufacturers (OEMs).
