The PP Safety Clamp is an industrial-grade locking solution engineered to secure flexible hose assemblies and prevent disengagement or leakage under system pressure. Manufactured from virgin polypropylene (PP) via injection molding, this clamp offers consistent chemical compatibility and mechanical strength for industrial fluid transfer systems.
Technical Specifications
|
Parameter |
Standard Value |
Testing Standard / Method |
|
Manufacturing Standard |
EN14420-3 / DIN 2817 |
Dimensional & Safety Compliance |
|
Material |
Virgin Polypropylene (PP) |
ISO 19069 |
|
Max Working Pressure |
10 Bar (145 PSI) |
Hydrostatic Test |
|
Max Locking Torque |
12 N·m |
Torque Wrench Verified |
|
Dimensional Tolerance |
±0.2 mm |
Micrometer / CNC Inspection |
|
Temperature Range |
-10°C to +80°C |
Thermal Stability Test |
|
Fastener Material |
Zinc-plated Steel / Stainless Steel 304/316 |
Salt Spray Tested (Up to 72 Hours) |
Core Advantages
Manufactured via single-piece injection molding for structural integrity, maintaining stable performance at working pressures up to 10 bar in hydrostatic testing.
A dual-bolt design balances clamping force up to 12 N·m torque, minimizing hose slippage under normal pressure surges or mechanical vibration.
Molded within dimensional tolerances of ±0.2 mm to support uniform wall thickness and compatibility with standard EN 14420-2 hose tails.
Polypropylene resin resists acids, alkalis, and inorganic salts, while UV stabilization supports long-term outdoor and chemical exposure.
Manufacturing Capability
Automated Injection & Production Lines: Equipped with multi-tonnage automated injection molding units, maintaining a daily output of 10,000+ units to ensure predictable lead times for high-volume orders.
In-House Tooling & Machining: Utilizes high-precision multi-cavity molds and CNC machining centers to maintain dimensional tolerances within ±0.2 mm across production batches.
Integrated Supply & Process Management: Combines in-house precision processing and assembly with specialized manufacturing methods-including full-silica sol investment casting and gravity casting-to support both standard and custom specifications.
Quality Assurance
Traceable Raw Materials: We source traceable, virgin polypropylene resins. Material Test Reports (MTR) and Certificates of Analysis (COA) accompany each shipment.
In-House Quality Testing: Every production batch undergoes strict quality controls before dispatch:
- Visual and dimensional precision checking.
- Torque limit and mechanical endurance testing.
- Hydrostatic pressure burst verification.
Customization Support
Branding & Surface Identification
Supports customer logos, part numbers, and serial markings applied via surface laser marking or direct mold engraving.
Custom Color Formulation
Available in standard and specialized colors (including red, blue, gray, and black) matched to client specifications.
Dimensional & Packaging Customization
Provides tailored component dimensions and custom packaging configurations according to market or application requirements.
In-House Mold Development
Complete custom tooling and mold development executed in-house within a 15–20 day cycle.
Assembly Diagram

FAQ
Q: What media are suitable for PP safety clamps?
A: Suitable for non-corrosive or weakly corrosive media such as water, air, and light chemical liquids.
Q: Can customer logos be printed?
A: Yes, customer logos or serial numbers can be added to the mold or surface.
Q: Can special colors be customized?
A: Yes, we support various custom colors including red, blue, gray, and black.
Q: Are samples charged?
A: Samples for standard models are free; customers only need to bear the shipping cost.
Q: What is your standard minimum order quantity (MOQ)?
A: Standard MOQ starts at 500 units; smaller trial quantities are open for evaluation.
Q: Which loading ports do you primarily use for export?
A: Shipments are mainly dispatched via Shanghai Port or Ningbo Port based on logistics.
Q: Can we arrange third-party pre-shipment inspections?
A: Yes, third-party quality inspections such as SGS or BV are supported before shipment.
Q: What international payment terms do you accept?
A: We accept T/T and L/C at sight depending on final order agreement.
Q: Do you provide official export documentation like Certificate of Origin?
A: Yes, standard commercial documents including Certificate of Origin (CO) or Form E are provided.

