Alpco Industrial EU
Hygienic Process Connections

GMP Certified Sanitary Fittings & Tri-Clamp Components

Precision-engineered hygienic connection systems for pharmaceutical, biotech, and food processing. DIN 32676, ASME BPE, and 3-A certified tri-clamp assemblies delivering sterile, leak-proof seals with rapid assembly/disassembly for CIP/SIP operations.

DIN 32676 & ASME BPE Sterile Connection Technology for Hygienic Processing

Sanitary tri-clamp fittings—also known as hygienic clamps or quick-connect ferrule assemblies—are the industry standard for creating tool-free, contamination-resistant connections in aseptic process equipment. These precision-machined stainless steel components enable rapid equipment reconfiguration, frequent cleaning cycles, and validated sterile processing across pharmaceutical, biotech, and food production facilities.

Unlike threaded or welded connections that create crevices where bacteria can harbor, tri-clamp systems utilize smooth, electropolished sealing surfaces compressed by external clamps to achieve leak-tight, cleanable joints that meet the most stringent EU GMP and FDA hygienic design requirements.

Rapid Connection/Disconnection

Tool-free clamp operation enables equipment disassembly in seconds for cleaning validation, maintenance, or process reconfiguration without specialized tools or extensive labor.

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Crevice-Free Hygienic Design

Smooth electropolished surfaces (Ra ≤ 0.8 µm) with no dead legs, threads, or gasket compression grooves eliminate bacterial entrapment sites and enable complete CIP/SIP efficacy.

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Validated Seal Integrity

Precisely controlled compression forces on FDA-compliant gaskets create reliable, leak-free seals validated to withstand process pressures, thermal cycles, and aggressive cleaning chemicals.

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Regulatory Compliance

Full traceability with heat numbers, material certifications (EN 10204 3.1/3.2), and conformance to DIN 32676, ASME BPE, 3-A Sanitary, and EHEDG standards for European pharmaceutical operations.

DIN 32676 sanitary tri-clamp fitting assembly with 316L stainless steel ferrules, PTFE gasket, and clamp for pharmaceutical applications

Sanitary Tri-Clamp & Hygienic Fitting Portfolio

From standard pharmaceutical-grade assemblies to high-pressure ASME and safety lockout configurations.

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Standard Twin-Hinge Clamps

Single-bolt hygienic clamps featuring dual-pin hinge construction for uniform gasket compression and reliable sealing in pharmaceutical and food processing applications.

  • Material: 316/316L stainless steel
  • Sizes: DN15 to DN300 (1/2" to 12")
  • Pressure rating: Up to 60 bar (870 psi)
  • Temperature rating: Up to 232°C (450°F)
  • Two-pin hinge for even clamping force
  • Single bolt with wing nut or hex nut
  • DIN 32676 and 3-A Sanitary compliant
  • CE marking standard
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Heavy-Duty Double-Bolt Clamps

Non-hinged clamps with two-bolt fastening for enhanced clamping force distribution in large-diameter connections and moderate-pressure applications.

  • Material: 316 stainless steel
  • Sizes: DN150 to DN300 (6" to 12")
  • Pressure rating: Up to 36 bar (522 psi)
  • Temperature: 232°C (450°F) and higher
  • Dual-bolt configuration (no hinge)
  • Wing nut or hex nut options
  • Optimal for large-diameter pipe
  • Improved gasket compression uniformity
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High-Pressure Dual-Bolt Clamps

Reinforced clamp profiles engineered for elevated-pressure applications requiring superior clamping force without hinge mechanisms.

  • Material: 304 stainless steel
  • Sizes: DN15 to DN150 (1/2" to 6")
  • Pressure rating: Up to 100 bar (1450 psi)
  • Temperature: 232°C (450°F) and higher
  • Heavy-section profile design
  • Dual-bolt fastening (hingeless)
  • Stainless or brass hex nuts
  • CE compliant for pressure service
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ASME Pressure Vessel Clamps

Engineered to ASME Section VIII Appendix 24 requirements for pressure vessel, filter housing, and critical high-pressure pharmaceutical equipment.

  • Material: 316 SS (fully traceable)
  • Sizes: DN25 to DN300 (1" to 12")
  • Pressure rating: Up to 171 bar (2480 psi)
  • Temperature: 232°C (450°F) and higher
  • Triple-bolt configuration with hinge
  • ASME Section VIII Appendix 24 compliant
  • Full material traceability documentation
  • Suitable for autoclaves and pressure reactors
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Anti-Galling Premium Clamps

Precision investment-cast clamps with specialized surface treatments to prevent adhesive wear and galling in high-cycle applications.

  • Investment casting (ASME SA-351/SA-351M)
  • Pickled and passivated finish
  • Heat-treated per ASME SA-315
  • Barrel polished and hydraulically sized
  • Eliminates thread seizing and galling
  • Extended service life in frequent cleaning
  • Maintains torque specifications over cycles
  • Ideal for automated CIP systems
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Safety & Lockout Clamps

Safety-engineered clamps with accidental-opening prevention and padlock-compatible shrouds for LOTO (Lockout/Tagout) compliance.

  • Material: 316 stainless steel
  • Sizes: DN15 to DN300 (1/2" to 12")
  • Safety gate prevents bolt release
  • Shrouded hex nut with padlock provision
  • Prevents unintentional opening under pressure
  • LOTO compliance for maintenance safety
  • Dual-pin hinge construction
  • CE marking standard

Technical Specifications

Comprehensive performance parameters and compliance standards for sanitary tri-clamp systems.

Materials & Construction

Clamp Material (Standard)
316/316L Stainless Steel
Clamp Material (HP)
304 Stainless Steel
Fasteners
316 SS bolts and nuts
Gasket Materials
EPDM, Silicone, Viton, PTFE
Ferrule Surface Finish
Ra ≤ 0.8 µm (electropolished)
Clamp Finish
Polished or satin finish
Hinge Design
Dual-pin (standard models)
Heat Treatment
Per ASME SA-315 (premium)

Performance Ratings

Standard Pressure
Up to 60 bar (870 psi)
High Pressure
Up to 100 bar (1450 psi)
ASME Pressure
Up to 171 bar (2480 psi)
Temperature Range
-40°C to +400°C
Vacuum Service
Full vacuum compatible
Thermal Cycling
SIP/CIP validated
Connection Cycles
1000+ (anti-galling models)
Leak Integrity
Helium leak tested

Standards & Compliance

European Standard
DIN 32676 Series A
US Pharmaceutical
ASME BPE
US Sanitary
3-A Sanitary Standards
European Hygienic
EHEDG certified
International
ISO 2852 compatible
Pressure Vessels
ASME Section VIII App 24
Material Certs
EN 10204 Type 3.1 / 3.2
FDA Compliance
21 CFR 177.1550 (gaskets)

Available Sizes

Smallest Size
DN15 (1/2")
Largest Size
DN300 (12")
Common Sizes
DN25-DN100 (1"-4")
Measurement Basis
Ferrule OD (DIN/3-A)
Tube OD vs Pipe NB
Both standards available
Custom Sizes
Available on request
Gasket Sizing
Match ferrule OD
Interchangeability
DIN/3-A cross-compatible

Sanitary Tri-Clamp Applications in Pharmaceutical & Food Processing

Enabling sterile processing and rapid reconfiguration in Europe's pharmaceutical, biotech, and food sectors.

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Pharmaceutical Manufacturing

API synthesis, sterile formulation, bioreactor connections, clean utility systems, and GMP-compliant process equipment.

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Biotechnology

Single-use systems, cell culture equipment, downstream purification, chromatography skids, sterile filtration assemblies.

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Food & Beverage

Brewing systems, dairy processing, beverage production, ingredient transfer, sanitary CIP loops.

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Cosmetics & Personal Care

Emulsion preparation, sterile filling lines, fragrance blending, color cosmetics manufacturing.

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Dairy Processing

Pasteurization systems, cheese production, yogurt fermentation, UHT processing, sanitary transfer lines.

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Nutraceuticals

Vitamin extraction, supplement formulation, botanical processing, sterile encapsulation equipment.

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Fine Chemicals

High-purity synthesis, specialty intermediates, regulated chemical production requiring cleanable connections.

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R&D Laboratories

Pilot-scale equipment, process development skids, analytical sampling systems, modular test rigs.

Request a Sanitary Tri-Clamp Fittings Quote

Our technical specialists provide clamp selection guidance, gasket compatibility recommendations, pressure/temperature calculations, and GMP compliance documentation for European pharmaceutical and food processing installations.