Metal Outlet for Separation Chambers and Launders

Product Specifications

Technical details and manufacturing context for Metal Outlet

Definition

The metal outlet is a critical component of separation chambers and launders in metallurgical processes, serving as the controlled exit point for molten metal or metal-rich materials after separation from slag, impurities, or other phases. It ensures proper flow regulation, prevents contamination, and maintains process efficiency in metal extraction and refining operations. This component is typically installed at the bottom or side of a separation chamber or launder, where it provides a precisely sized and positioned opening. When the molten metal reaches the appropriate level, it flows through the outlet due to gravity and pressure differentials, with the flow rate controlled by outlet dimensions, temperature, and sometimes mechanical gates or valves. The metal outlet is available in nominal diameters from DN15 to DN300 (per ISO 6708), with custom sizes on request. It operates temperatures from -40°C to 200°C; above 200°C, high-temperature alloy construction is recommended. Flow capacity ranges from 25 to 1200 Cv (ISA-75.01), with a leakage rate of ≤0.01% of rated capacity (Class VI shut-off). Seat hardness is 40–50 HRC (ASTM E18). Body materials include WCB or CF8M (ASTM A216/A351), and seat materials include PTFE or PEEK (ASTM D4894). Connections are flanged or threaded per ASME B16.5 (150#–300#). Weight ranges from 5 to 150 kg, depending on size and pressure class. These values are directory reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. The metal outlet is designed for use in basic metal manufacturing, particularly in separation and refining processes. It is not a finished valve but a component that may be integrated into a larger system. Proper selection requires consideration of process parameters, compatibility with molten metal, and adherence to relevant standards. Verification of model-specific values and standards is essential before procurement or installation.

Working Principle

The metal outlet operates by providing a precisely sized and positioned opening at the bottom or side of a separation chamber or launder. When the molten metal reaches the appropriate level, it flows through this outlet due to gravity and pressure differentials, with flow rate controlled by outlet dimensions, temperature, and sometimes mechanical gates or valves. The outlet is designed to ensure controlled release, preventing contamination and maintaining process efficiency.

Common Materials

Refractory-lined steel, High-temperature alloy steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Nominal Diameter	DN15–DN300 mm	Custom sizes available on requestISO 6708
Operating Temperature	-40–200 °C	Above 200°C use high-temperature alloy
Flow Capacity (Cv)	25–1200 Cv	Based on full open valveISA-75.01
Leakage Rate	≤0.01 % of rated capacity	Class VI shut-off
Seat Hardness	40–50 HRC	For wear resistanceASTM E18
Body Material	WCB/CF8M	Other alloys availableASTM A216/A351
Seat Material	PTFE/PEEK	PTFE for general, PEEK for high tempASTM D4894
Connection Type	Flanged/Threaded	Flanged per 150#–300#ASME B16.5
Weight	5–150 kg	Depends on size and pressure class

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

Components / BOM

Refractory lining Part
Protects outlet structure from high-temperature molten metal corrosion and erosion

Material: Alumina-silica refractory
Outlet nozzle Part
Forms the precise discharge opening and controls flow characteristics

Material: High-alumina refractory or ceramic
Mounting flange Part
Secures outlet to separation chamber/launder structure

Material: Carbon steel or alloy steel
Mechanical Gate Optional
Shuts or throttles the tap hole on builds that do not rely on the fixed opening alone.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Separation Chamber / Launder

View system integration details

Manufacturers of Metal Outlet

Manufacturer profiles associated with Metal Outlet.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

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Frequently Asked Questions

What is the purpose of a metal outlet?

A metal outlet is a component used in separation chambers and launders to provide a controlled exit point for molten metal or metal-rich materials after separation from slag or impurities. It helps regulate flow and prevent contamination.

What are the standard sizes and pressure ratings?

The nominal diameter ranges from DN15 to DN300 (ISO 6708), with custom sizes available. These are reference ranges; confirm for your specific model.

What materials are used for the body and seat?

Body materials include WCB or CF8M (ASTM A216/A351). Seat materials include PTFE or PEEK (ASTM D4894). For temperatures above 200°C, high-temperature alloy is recommended.

How do I verify the suitability of a metal outlet for my application?

Check the operating temperature, pressure, flow capacity, and compatibility with the molten metal. Always verify model-specific values and standards with the legal manufacturer or supplier before installation.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Atmospheric to 2 bar gauge (29 psi) for controlled discharge systems
flow rate:	0.1 to 50 m³/h (0.44 to 220 gpm) depending on outlet diameter and metal viscosity
temperature:	Up to 1600°C (2912°F) for molten metals, depending on refractory lining
slurry concentration:	Up to 70% solids by weight for metal-bearing slurries

Metal Outlet

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards