About SOSHH® — Leading Polyurethane Flexible Connector Manufacturer

SOSHH® is a specialized engineering manufacturer focused on the design, R&D, and production of dust-tight, food-grade polyurethane (TPU) snap-in flexible connectors and industrial powder handling sleeves. We provide factory-direct, high-performance flexible piping solutions for global pharmaceutical, food processing, battery material, and bulk chemical industries.

By replacing traditional canvas sleeves and prone-to-leak worm-gear hose clamps, SOSHH® delivers next-generation tool-free snap-in connectors that eliminate powder leakage, isolate mechanical vibration, and ensure 100% sanitary compliance.

Engineering Excellence & Regulatory Compliance

Our flexible connectors and weighing bellows are engineered to meet the stringent global standards of modern powder conveying and loss-in-weight feeding systems:

  • FDA Food-Grade & Hygiene Compliant: Manufactured from high-purity Polyether TPU, fully compliant with US FDA 21 CFR 177.1680 / 177.2600 and EU food contact standards.
  • ATEX Anti-Static Protection: Customized conductive and dissipative PU materials designed for hazardous explosive dust zones (ATEX rated).
  • Zero-Sanitary Dead Zones: Crevice-free internal transitions prevent powder accumulation, cross-contamination, and batch degradation during CIP/SIP washdowns.
  • Precision Load Cell Isolation: Ultra-flexible TPU construction isolates equipment vibration without exerting force, protecting delicate weighing modules and dosing feeders.

Specialized Product Solutions

Application SceneSOSHH® Core Product SolutionPrimary Industry Benefit
Pharma & Food ProcessingFDA Polyurethane Snap-In Sleeves100% Dust-tight, tool-free CIP/SIP replacement
Loss-in-Weight FeedersZero-Force Weighing Bellows & JointsEliminates spring effect, preserves scale accuracy
Combustible Dust ZonesATEX-Rated Conductive PU ConnectorsStatic dissipation, prevents dust explosion risks
Abrasive Bulk ConveyingHigh-Abrasion Resistant TPU Ducts4x longer lifespan than silicone or rubber hoses

Why Process Engineers Choose SOSHH®

  • Factory-Direct Customization: Tailored manufacturing for non-standard diameters (DN100 to DN1000+), specific installation gaps, and custom spigot profiles.
  • Tool-Free Quick Installation: Operators can install or replace a SOSHH connector in under 3 seconds without screwdrivers, wrenches, or external hardware.
  • Rapid CAD & Prototyping Support: Our engineering team provides direct technical consultation, 3D CAD drawings, and rapid sample delivery for OEM equipment manufacturers.

SOSHH engineering team discussing custom polyurethane powder handling flexible connector designs

🛠️ Partner with SOSHH for Your Powder Handling Systems

Whether you are upgrading an existing production line, replacing legacy BFM fitting alternatives, or specifying components for new OEM machinery, SOSHH engineering is here to support your blueprints.


Honor certificate

SGS Certified  FDA Compliant  Food Safe

SGS Certified FDA Compliant Food Safe

SGS certified PU flexible connection supplier

SGS certified PU flexible connection supplier

Tested for ATEX Antistatic Requirements

Tested for ATEX Antistatic Requirements

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