Manufactured strictly in accordance with EN 14420-8 / NF E 29-572 standards, our Polypropylene (PP) Guillemin couplings are engineered for quick, secure liquid transfer in harsh chemical environments.
Technical Specifications
|
Performance Parameter |
Specification Standard |
|
Manufacturing Standard |
EN 14420-8 / NF E 29-572 |
|
Operating Pressure |
PN 6 (6 bar at 20°C) |
|
Temperature Range |
-10°C to +80°C |
|
Main Material |
100% Virgin Polypropylene (No Recycled Material) |
Key Advantages
Interchangeability: Produced to EN 14420-8 dimensions, ensuring compatibility with standard Guillemin couplings across PP, aluminum, stainless steel, and brass materials.
Corrosion Resistance: Formulated with 100% virgin polypropylene to resist degradation from acids, alkalis, and aggressive solvents, helping prevent line failure and maintenance downtime in harsh chemical transfer applications.
Seal Integrity: Structural reinforcement around the locking lugs resists deformation under pressure cycles, while precise gasket seat tolerances support consistent compression and leak-free fluid containment.
Customization & OEM Services
Configuration Options
Full size availability from DN20 (3/4") to DN100 (4") across hose shanks, male threads, female threads, and dust caps in BSP or NPT thread profiles.
Material Choices
Gasket selection tailored to your media requirements, including NBR, EPDM, or FKM (Viton), alongside UV-stabilized or custom-colored PP resins.
Branding
Integrated logo mold engraving and customized export packaging, including private label cartons, SKU labeling, and barcodes.
Supply Chain
Scalable injection molding capacity engineered to support stable lead times for full-container-load (FCL) and less-than-container-load (LCL) shipments.
Manufacturing Standards
ISO 9001 Production Facility: Manufacturing processes operate under a certified quality management system to ensure batch-to-batch repeatability for volume distribution.
CNC Tooling & Molding: Tooling designs feature CNC-machined steel molds, maintaining tolerance control within ±0.2mm to prevent lug misalignment or wall thickness variations.
Volume Capacity: Dedicated multi-cavity injection molding lines allow flexible production scheduling for full-container-load (FCL) and less-than-container-load (LCL) wholesale orders.
Quality Assurance & Verification
Material Lot Traceability: Every production run uses virgin polypropylene resins with batch-specific Melt Flow Index (MFI) and density testing, supported by Material Test Certificates (MTC).
Hydrostatic Pressure Testing: Representative samples from each batch are subjected to hydrostatic pressure testing at 1.5 times the maximum working pressure to ensure seal reliability under pressure surges.
Dimensional & Fit Inspection: Finished components undergo gauge checking on lug dimensions and locking profiles to guarantee smooth engagement prior to shipment.
FAQ
Q: Which primary industries use your PP Guillemin couplings?
A: Chemical processing, agricultural fertigation, industrial wastewater handling, pharmaceutical fluid lines, and liquid fertilizer distribution.
Q: What fluid media are suitable for these couplings?
A: Acids, alkalis, slurries, and industrial wastewater. They are not suited for concentrated oxidizing acids.
Q: What gasket material options are supplied with the units?
A: Standard units include NBR gaskets. EPDM and FKM (Viton) gaskets are available upon request for specific chemical exposure.
Q: Can you provide free production samples before bulk purchase?
A: Yes, evaluation samples can be provided for fitment and chemical compatibility testing prior to volume orders.
Q: What is the typical lead time for a full container load (FCL)?
A: Standard FCL production typically takes 20 to 30 days, depending on specific configuration and customization requirements.
Q: What export packaging options do you provide for bulk cargo?
A: Goods are packed in heavy-duty corrugated cartons, securely wrapped, and strapped on standard export pallets.
Q: Can these couplings handle negative pressure or suction applications?
A: Yes, the reinforced body structure maintains seal integrity under normal suction and negative pressure transfer.
Q: Are the locking rings removable for cleaning or field maintenance?
A: Yes, locking rings can be detached easily to replace gaskets or perform line clean-in-place procedures.
Q: What payment terms do you offer for international distributors?
A: We accept T/T (30% deposit, 70% against B/L copy) and L/C at sight for bulk orders.
Q: How quickly can I receive an official wholesale quotation?
A: Provide your required sizes, types, and quantities to receive an itemized quote within 24 business hours.
