Description

The METSO A413240 is a high-precision differential pressure (DP) primary flow element designed for critical process measurement in industrial fluid systems. As part of Metso’s legacy measurement solutions portfolio (now under Valmet), this robust flow element generates repeatable pressure drops for accurate volumetric flow calculation when paired with DP transmitters. Engineered for demanding applications, the A413240 features a flow-conditioned design that minimizes turbulence and maintains measurement stability even with viscous fluids or irregular flow profiles. Its compact flange-to-flange configuration simplifies installation in space-constrained pipelines while complying with ASME/ANSI pressure class standards. The METSO A413240 serves as a cornerstone for energy management and process optimization across heavy industries, providing reliable data for custody transfer, batch control, and efficiency monitoring. With its all-welded stainless steel construction, this primary element withstands corrosive media and extreme temperatures, ensuring long-term performance in challenging environments.

METSO A413240

Technical Specifications

Main Features and Advantages

Engineered Flow Conditioning: The METSO A413240 incorporates precision-machined flow contours that stabilize velocity profiles upstream of the constriction point. This reduces required straight-run piping by up to 60% compared to standard orifice plates while maintaining ±0.5% accuracy across turndown ratios exceeding 10:1.

Robust Construction: Featuring full penetration welds and NDE-tested joints, the all-metal design handles thermal cycling and water hammer effects common in steam/pulp applications. Optional erosion-resistant alloys (e.g., Alloy C-276) extend service life in slurry services.

Installation Flexibility: Compact flange-to-flange dimensions simplify retrofitting into existing pipelines. Bidirectional flow capability (with symmetrical profile options) accommodates reversible processes. The A413240 supports multiple gasket types and flange finishes to match plant standards.

Maintenance Reduction: Self-draining design prevents sediment buildup. No moving parts or seals eliminate routine calibration. Integrated pressure tap protectors (optional) guard against plugging in dirty service. These features collectively reduce lifecycle costs by up to 30% versus conventional DP elements.

Application Field

The METSO A413240 excels in Power Generation for feedwater and steam flow measurement, where its temperature resilience ensures accuracy in 400°C superheated steam lines. In Pulp & Paper Mills, it measures black liquor and chemical flows, resisting corrosion from sulfidic compounds.

Oil & Gas Applications include custody transfer of LNG and produced water, leveraging its ASME MFC-3M compliance for fiscal metering. The A413240 also monitors cooling water circuits in Steel Plants, handling high-temperature descaling water with optional erosion-resistant materials.

For Chemical Processing, it accurately doses viscous polymers and acids, maintaining precision despite viscosity changes. In Wastewater Treatment, the bidirectional design measures influent/effluent flows in shared pipelines. Across all sectors, the METSO A413240 provides audit-ready data for ISO 50001 energy compliance.

Related Products

• METSO DPS400: Differential pressure transmitter for pairing with A413240

• METSO A411200: Compact flow element for smaller pipelines (½”-6″)

• METSO A415600: High-pressure variant for 2500# class services

• METSO A419880: Sanitary design for food/pharma applications

• METSO S800 Calc: Flow computer for DP-to-volume conversion

• METSO FCX-AII: Multi-variable transmitter with diagnostics

• METSO TPA300: Temperature/pressure compensation assembly

• METSO SE200: Remote seal system for extreme temperatures

METSO A413240

Installation and Maintenance

Pre-installation preparation: Verify pipeline dimensions match the A413240‘s beta ratio specification. Ensure adequate upstream/downstream straight runs per datasheet (minimum 10D upstream). Clean pipe interiors thoroughly to remove welding slag. Align flanges parallel within 1° tolerance using alignment pins. Select gaskets compatible with process media.

Maintenance recommendations: Annually inspect flange bolts for proper torque (ASME PCC-1 standards). Check tap connections for leaks during shutdowns. Monitor ΔP trends for gradual increases indicating wear. Clean pressure taps using approved chemical methods if plugging occurs. Recalibrate paired transmitters every 24 months. For slurry service, inspect bore condition during major turnarounds.