End Connection/Flange: Temperature Range -50°C to 400°C

Component Specifications

Definition

The End Connection/Flange in static mixing elements is a precision-engineered interface component designed to connect mixing elements to pipelines or other processing equipment. It serves as a mechanical joint that ensures proper alignment, seals against fluid leakage, and withstands operational pressures and temperatures. Typically featuring bolt holes, gasket surfaces, and standardized dimensions, it facilitates easy installation, maintenance, and compatibility with industrial piping systems. This component is essential for maintaining system integrity, preventing contamination, and enabling efficient fluid mixing in continuous processes.

Working Principle

The End Connection/Flange operates by creating a sealed mechanical joint between the static mixing element and adjacent piping. It uses bolted connections to compress a gasket between mating surfaces, forming a pressure-tight seal that prevents fluid leakage. The flange distributes mechanical loads evenly across the connection, minimizing stress concentrations and ensuring structural stability under operational conditions such as pressure fluctuations, thermal expansion, and vibration. Its design allows for precise alignment of the mixing element within the flow path, optimizing mixing performance and preventing flow disruptions.

Materials

Common materials include stainless steel (e.g., AISI 304, 316 for corrosion resistance), carbon steel (e.g., ASTM A105 for high strength), alloy steels, or specialized alloys like Hastelloy for aggressive chemical environments. Gaskets are typically made from elastomers (e.g., EPDM, Viton), PTFE, or graphite, depending on temperature and chemical compatibility requirements. Surface finishes may involve machining to specific roughness (e.g., Ra 3.2 μm) for effective sealing.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Face Type	Raised face (RF), Flat face (FF), Ring-type joint (RTJ)
Size Range	DN15 to DN600 (1/2" to 24")
Surface Finish	125-250 AARH for gasket seating
Pressure Rating	PN10 to PN100 (or Class 150 to 2500)
Temperature Range	-50°C to 400°C
Bolt Circle Diameter	As per ASME B16.5 or EN 1092-1 standards

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 7005-1, ASME B16.5, DIN EN 1092-1, ASME B16.47

Parent Products

This component is used in the following industrial products

Static Mixing Elements

Stationary internal components of an in-line blender that promote fluid mixing through geometric design without moving parts.

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Engineering Analysis

Risks & Mitigation

Gasket failure leading to leaks
Bolt loosening due to vibration
Corrosion in aggressive environments
Misalignment causing seal damage
Over-torquing bolts leading to flange distortion

FMEA Triads

Trigger: Improper gasket selection or installation
Failure: Fluid leakage, contamination, or pressure loss
Mitigation: Use compatible gaskets per ASME B16.20, follow torque specifications, and conduct regular inspections

Trigger: Corrosion from chemical exposure
Failure: Flange degradation, leaks, or structural failure
Mitigation: Select corrosion-resistant materials (e.g., stainless steel 316), apply protective coatings, and implement corrosion monitoring

Trigger: Vibration or thermal cycling
Failure: Bolt loosening, seal fatigue, or misalignment
Mitigation: Use locking washers or thread-locking compounds, ensure proper bolt preload, and design for thermal expansion

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Dimensional tolerances per ASME B16.5: flange thickness ±1.5 mm, bolt hole diameter ±0.8 mm, face flatness within 0.2 mm

Test Method

Pressure testing per ASME B31.3 (hydrostatic or pneumatic), leak testing with soap solution or helium mass spectrometry, visual inspection per ASTM A262 for corrosion

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of End Connection/Flange

Manufacturer profiles associated with End Connection/Flange.

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Frequently Asked Questions

What are the common flange types used in static mixing elements?

Common types include weld neck flanges for high-stress applications, slip-on flanges for easy installation, and threaded flanges for low-pressure systems. The choice depends on pressure, temperature, and maintenance requirements.

How do I select the right gasket for a flange in chemical processing?

Select based on chemical compatibility, temperature range, and pressure. For aggressive chemicals, use PTFE or graphite gaskets; for general purposes, elastomers like EPDM are suitable. Always refer to manufacturer charts and standards like ASME B16.20.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

End Connection/Flange