SOSHH® Quick-Clamp TPU Flexible Connectors
SOSHH® Quick-Clamp TPU Flexible Connectors — Tri-Clamp / LightTC Fast-Card Series
SOSHH® Quick-Clamp TPU Flexible Connectors are heavy-duty industrial-grade flexible couplings engineered for hygienic powder and granular transfer in food, dairy, pharmaceutical, chemical, and advanced materials processing lines.
Built from polyether-based TPU (Ether-Based TPU) with a seamless hot-melt-welded bore, the SOSHH® Quick-Clamp system replaces traditional hose clamps, bolted flanges, and pinched fabric sleeves with a 100% dust-tight, crevice-free, tool-free 30-second changeover connection.
Designed as a drop-in replacement for existing Tri-Clamp (TC), sanitary quick-clamp, and lightweight fast-card installations, the sleeve is available with:
- TC Quick-Connect end fittings: Standard sanitary quick-clamps with integrated gaskets for permanent hygienic piping.
- LightTC fast-card clamps: Tool-free, 30-second disassembly for frequent line changeovers.
Quality Commitment: Manufactured directly by Zhejiang Jingzhen Environmental Protection Technology Co., Ltd. (SOSHH® Industrial Equipment) in Quzhou, Zhejiang Province, China, under strict ISO 9001 quality management standards.
1. Why Engineers and Procurement Managers Choose SOSHH® Factory-Direct
- 100% Dust-Tight Seal: Zero ppb leakage at transfer points, verified by 360° compressed sealing force.
- No Dead Zones: Smooth, crevice-free internal bore eliminates product retention, bacterial growth, and cross-contamination.
- FDA 21 CFR Compliant Food-Contact Material: Meets FDA 21 CFR 177.1680 / 177.2600 with EC 1935/2004 framework compliance available on request.
- ATEX Anti-Static Option: Surface resistance ≤ 10⁸ Ω for explosive dust atmospheres (Zone 20/21/22).
- CIP/SIP Compatibility: Resists caustic washdown and high-temp sterilization cycles.
- Long Service Life: Tensile strength ≥ 40 MPa, 600% elongation, and abrasion loss ≤ 39 mg in internal test cycles.
By adding SOSHH® quick-clamp connectors to each transfer point, plant HSE teams gain an additional Layer of Protection (LOPA) against dust release, operator exposure, and combustible dust hazards.
2. Compliance & Certification Trust Badges
Every batch of SOSHH® Ether-Based TPU flexible sleeves is shipped with full batch-to-batch material traceability documentation:
- FDA 21 CFR 177.1680 & 177.2600: Certified for direct dry food contact and repeated washdown cycles.
- EU Regulation EC 1935/2004 & 10/2011: Tested for food simulant migration and heavy-metal purity.
- ATEX Directive 2014/34/EU: Anti-static conductive grade (surface resistance ≤ 10⁸ Ω) certified for hazardous dust classification.
- EN 10204 3.1 Material Certificate: Complete chemical and physical test reports accompanying every bulk OEM shipment.
3. Engineering Failure Analysis: Traditional Clamps vs. SOSHH® Quick-Clamp System
| Evaluation Dimension | Traditional Hose-Clamp System | Traditional Bolted Flange | SOSHH® Quick-Clamp System |
| Changeover Time | 15–40 minutes; requires screwdrivers, hex keys, or air tools | 30+ minutes; requires torque wrench and alignment personnel | < 30 seconds per connection; zero tools required |
| Seal Integrity | Gaps at clamp overlap; dust leaks at low positive pressure | Gasket compression varies; face misalignment causes leak paths | 360° uniform clamping force; 100% dust-tight, Airtight class |
| Product Contamination & Dead Zones | Trapped powder in clamp folds and hose corrugations | Gasket crevices and bolt cavities retain material | Smooth hot-melt-welded interior; no dead zones, no exposed gaskets |
| Vibration & Motion Compensation | Minimal; hose strain concentrates at clamp points | Near-zero flexibility; rigid joint transmits vibration | Self-aligning multi-axis motion compensation ≥ 10 mm axial; absorbs vibratory and thermal displacement |
| Spare Parts Inventory | Clamps, screws, gaskets, hose sections | Bolts, nuts, gaskets, flanges | One molded TPU cuff + optional TC clamp only |
4. Key Engineering Principles & Sanitary Design
4.1 Uniform 360° Sealing Force
Unlike a hose clamp that pinches at two points, the SOSHH® Quick-Clamp system applies even radial compression across the full circumference of the connection. The integrated sealing ring and TC fast-card design distribute force uniformly, eliminating gap leaks, blowouts, and dust escape — even when the line surges to positive pressure.
4.2 Self-Alignment & Multi-Axis Motion Compensation
Every SOSHH® TPU connector is engineered with a pre-formed flexible convolute that absorbs axial displacement ≥ 10 mm, plus radial and angular movement from:
- Vibrating screeners and sifters
- Loss-in-weight feeders and load-cell scales
- Rotary valves and pneumatic conveying transitions
- Thermal expansion in heated ducts
This zero-parasitic-force design prevents piping strain from affecting weighment accuracy and protects downstream equipment from transmitted vibration.
4.3 Crevice-Free CIP/SIP Interior
The hot-melt-welded, seamless interior surface contains no bolts, no fabric folds, no exposed gasket edges, and no crevices. This makes SOSHH® connectors fully compatible with:
- CIP (Clean-In-Place): Caustic and acid washdown cycles.
- SIP (Sterilize-In-Place): High-temperature grade resists up to +150°C continuous service.
- Open-Plant Washdown: No disassembly required.
The result is faster validation, lower microbial risk, and shorter changeover windows for food-safe and pharmaceutical lines.
5. Technical Specifications & Material Performance Matrix
| Parameter | SOSHH® Ether-Based TPU | Standard NBR Rubber | Industrial PVC |
| Base Material Type | Polyether-TPU, hot-melt welded, seamless | Nitrile butadiene rubber (opaque) | Plasticized PVC (clear or stiff) |
| Abrasion Loss (DIN 53516) | ≤ 39 mg (highly abrasion-resistant; 2× longer life in powder duty) | 150–250 mg typical | 200–350 mg typical |
| Tensile Strength | ≥ 40 MPa | 8–15 MPa typical | 10–20 MPa typical |
| Elongation at Break | 600% | 300–500% | 200–400% |
| Operating Temperature | –20°C to +110°C (High-Temp to +150°C; PTFE to +300°C) | –20°C to +100°C | –10°C to +60°C |
| Food Safety Compliance | FDA 21 CFR 177.1680 / 177.2600; EC 1935/2004 | Limited; non-standard for food contact | Not FDA-compliant by default; plasticizer risk |
| Optical Transparency | 100% Clear / Translucent — visual flow inspection | Opaque Black | Semi-Clear; yellows over time |
| ATEX Static Safety | Anti-Static Grade ≤ 10⁸ Ω (Zone 20/21/22) | Not available | Not available |
Standard TC / LightTC Dimensional Range
| Series Reference | Joint Outer Diameter (D) | Clamp Outer Diameter (C) |
| TCD152 / C167 | 152 mm | 167–168 mm |
| TCD159 / C183 | 159 mm | 183 mm |
| TCD180 / C200 | 180 mm | 200 mm |
| TCD254 / C268 | 254 mm | 268 mm |
| TCD305 / C319 | 305 mm | 319 mm |
| TCD406 / C430 | 406 mm | 430 mm |
| TCD508 / C530 | 508 mm | 530 mm |
Full catalog matrix ranges from Ø76 mm to Ø508 mm, with custom sizes up to 1,000 mm available on OEM request (minimum order 100 pieces for fully custom dimensions).
6. Machine Builder (OEM / ODM) Customization Program
For machinery designers, plant EPCs, and equipment manufacturers, SOSHH® provides dedicated OEM co-engineering services:
- Custom Spigot Weld Heights: SUS304 / SUS316L spigots manufactured with 50 mm, 90 mm, or custom weld preparation lengths.
- Non-Standard Geometries: Square-to-round transitions, offset eccentric reducers, and custom convolute heights.
- Laser Marking & Private Labeling: Permanently laser-etch your part numbers, brand logo, and replacement barcode onto steel spigots and TPU sleeves.
- Flexible Flange Drilling: Flanged versions drilled to ANSI B16.5 (150 lb), DIN/EN 1092-1, or JIS 10K/16K patterns.
7. Typical Industry Applications & Point-of-Use
- Food & Dairy Processing: Milk powder, starch, flour, sugar, cocoa, flavors, and seasoning blends. The 30-second tool-free changeover minimizes allergen cross-contact risk, while FDA-compliant material and CIP tolerance keep hygienic audits clean.
- Pharmaceutical Solid Dosage: Tablet compression, granulation, coating, high-potency containment, and powder transfer. The smooth, crevice-free interior prevents batch retention, and the ATEX anti-static option provides the additional Layer of Protection (LOPA) required in classified areas.
- Chemical & Plastics Handling: Resin pellets, pigments, titanium dioxide, carbon black, plasticizers, and aggressive chemical powders. The abrasion-resistant heavy-duty TPU option extends service life in punishing transfer lines.
- Lithium Battery Material Lines: Anode and cathode powders (NMC, LFP, graphite, carbon additives). The anti-static conductive TPU option prevents static-discharge fires in fine, dry powders and eliminates metal-ion contamination caused by exposed steel clamps.
8. How to Order, Custom CAD & 48-Hour Prototyping
SOSHH® operates a factory-direct manufacturing hub in Quzhou, Zhejiang, China — the home of Zhejiang Jingzhen Environmental Protection Technology Co., Ltd. This enables fast prototyping, custom dimensioning, and bulk production without distributor markups.
Three-Step Procurement Process:
- Measure Critical Dimensions: Pipe or equipment outer diameter (O.D.), net gap between connection points, and material conveyed (abrasive, food-grade, ATEX-classified, temperature rating).
- Send Drawings to Engineering: Email your dimensions or CAD drawing to amin@soshh.com. Our engineering team verifies mating interfaces, clamp compatibility, and material selection.
- Receive STEP Model & Quotation: Receive a 3D STEP model and formal quotation within 24 hours. For custom designs, we deliver 48-hour prototyping with samples for operational validation before bulk release.
9. Procurement FAQ
Q1: What is the primary difference between Standard TC Flange and LightTC Fast-Card?
Standard TC (Tri-Clamp) flange uses machined sanitary clamp fittings with an integrated gasket, designed for permanent hygienic installations, CIP/SIP circuits, and applications where physical disassembly is infrequent. LightTC Fast-Card is a lightweight, tool-free quick-disconnect system ideal for equipment requiring frequent changeover — sifters, packing machine heads, blender inlets, and weighing hoppers — enabling 30-second assembly without tools while maintaining 100% dust-tight sealing performance.
Q2: Can you produce square-to-round or eccentric reducer connectors?
Yes. SOSHH® manufactures custom square-to-round, round-to-round taper, and eccentric reducer connectors in TPU, PTFE, and reinforced materials. These are widely used to connect rectangular sifter outlets to round conveying pipes and solve unequal-diameter transitions under vacuum or pressure. Send us the inlet/outlet dimensions and net height gap, and our engineers will release a 3D STEP model for approval within 24 hours.
Q3: Do you provide anti-static certification for ATEX Zone 20/21/22 areas?
Yes. The SOSHH® Anti-Static TPU grade achieves surface resistance ≤ 10⁸ Ω, which is suitable for explosive dust atmospheres. We supply a declaration of conformity and EN 10204 3.1 material certificates on request. For high-containment applications, we also recommend pairing anti-static connectors with SOSHH® Kevlar or TR lock-out cover systems for a complete Layer of Protection (LOPA).
10. Contact Us & Request Free Material Swatch Kit
Stop replacing clamp-and-hose systems every quarter. Switch to SOSHH® Quick-Clamp TPU Flexible Connectors and experience factory-direct pricing with fast, hygienic, dust-tight changeovers.
Request your free TPU material swatch & sample kit today — confirm the FDA-compliant surface finish, test the flexibility, and inspect the hot-melt-welded seams with your own engineers.
- Manufacturer: Zhejiang Jingzhen Environmental Protection Technology Co., Ltd. (SOSHH® Industrial Equipment)
- Factory Location: Quzhou City, Zhejiang Province, China
- Service Guarantee: 24-hour DDP formal quotation, 48-hour custom prototyping, bulk order and OEM/ODM programs welcome
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