INDUSTRY COMPONENT

Sanitary Fittings (Tri-Clamp)

Tri-Clamp sanitary fittings are aseptic connectors used in WFI distribution manifolds for pharmaceutical and food processing.

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Component Specifications

Definition
Tri-Clamp sanitary fittings are standardized clamp-type connectors designed for hygienic fluid transfer systems. They feature a tri-lobed clamp mechanism that compresses a gasket between two ferrules, creating a leak-proof, crevice-free seal suitable for clean-in-place (CIP) and steam-in-place (SIP) processes. In WFI (Water for Injection) distribution manifolds, these fittings ensure sterile connections that prevent microbial contamination and maintain water purity.
Working Principle
The Tri-Clamp system uses a three-segment clamp that applies uniform radial pressure when tightened, compressing an elastomeric gasket between two ferrules with standardized face profiles. This creates a hygienic seal with no dead spaces, allowing for easy disassembly and reassembly without tools (using a wing nut or bolt clamp). The design prevents product entrapment and facilitates thorough cleaning.
Materials
316L stainless steel (ASTM A270), electropolished finish (Ra ≤ 0.8 μm), with EPDM, silicone, or PTFE gaskets meeting FDA and USP Class VI standards.
Technical Parameters
  • Size Range 1/2" to 4" (DN15 to DN100)
  • Gasket Type Standard EPDM for SIP/CIP
  • Surface Finish ≤ 0.8 μm Ra (electropolished)
  • Connection Type Tri-Clamp (TC) per ASME BPE
  • Pressure Rating 10 bar at 20°C
  • Temperature Range -20°C to 150°C (depending on gasket)
Standards
ISO 2852, ASME BPE, DIN 32676, 3-A Sanitary Standards

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Sanitary Fittings (Tri-Clamp).

sanitary tri-clamp fittings WFI manifold connectors hygienic clamp fittings pharmaceutical fluid handling aseptic tri-clover fittings Sanitary Fittings (Tri-Clamp) Sanitary Fittings (Tri-Clamp) in Chemical Manufacturing

Parent Products

This component is used in the following industrial products

WFI Distribution Manifold

A component within a Vial/Syringe Washer that distributes Water for Injection (WFI) to multiple cleaning stations or nozzles.

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Engineering Analysis

Risks & Mitigation
  • Gasket failure leading to contamination
  • Improper clamping causing leaks
  • Material incompatibility with process fluids
FMEA Triads
Trigger: Gasket degradation due to chemical exposure or thermal cycling
Failure: Leakage and microbial contamination of WFI
Mitigation: Regular gasket inspection/replacement; use chemically resistant gasket materials; implement preventive maintenance schedules.
Trigger: Incorrect clamp torque during assembly
Failure: Uneven sealing leading to leaks or gasket extrusion
Mitigation: Use calibrated torque tools; train personnel on proper assembly procedures; implement visual inspection checkpoints.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Dimensional tolerances per ASME BPE: ferrule OD ±0.25 mm, face flatness ≤ 0.05 mm
Test Method
Pressure testing per ASME B31.3; surface roughness verified with profilometer; material certification to ASTM A270; cleanability testing per EHEDG guidelines.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

Why are Tri-Clamp fittings preferred in WFI systems?

They provide crevice-free, sterile connections that prevent microbial growth, support CIP/SIP processes, and meet stringent purity requirements for Water for Injection.

What materials are used for gaskets in sanitary Tri-Clamp fittings?

Common gasket materials include EPDM (for steam sterilization), silicone (for high temperature), and PTFE (for chemical resistance), all compliant with FDA and USP Class VI.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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