Molten Metal Flow Control Valve

Product Specifications

Technical details and manufacturing context for Molten Metal Flow Control Valve

Definition

The Molten Metal Flow Control Valve is a specialized industrial component used in basic metal manufacturing to precisely regulate the flow rate and volume of molten metals such as steel, aluminum, and copper alloys during continuous casting, die casting, and ladle pouring processes. Designed to operate under extreme temperatures and corrosive environments, this valve features robust thermal insulation and wear-resistant materials to ensure reliable performance and extended service life. Its construction includes a refractory ceramic lining, high-temperature alloy steel body, graphite seals, and alumina insulation, enabling consistent metal delivery, improved product quality, and reduced material waste.

Key specifications include an orifice diameter ranging from 15 to 60 mm, a temperature rating of 800–1600 °C, and a flange connection per ISO 7005. The valve is pneumatically actuated and operates at pressures between 1.0 and 1.6 MPa, with a flow coefficient (Cv) of 2.5–10 m³/h at full open based on water at 20 °C. It achieves a leakage rate of ≤0.01% of rated flow (Class VI per ISO 5208), a response time of 0.5–2.0 seconds, and control accuracy of ±1.5% of span. The supply voltage is 24 V DC (±10%), and the enclosure rating is IP54–IP65 per IEC 60529. The body material is Stainless Steel 310S (ASTM A240), and the weight ranges from 15 to 45 kg depending on size and actuation.

This valve is intended for use in molten metal flow control applications where precise modulation is critical. It is not a generic valve and requires careful selection based on specific process parameters. All listed values are reference ranges and must be verified with the legal manufacturer or supplier for the actual model and application. Standards mentioned are procurement references and do not imply certification or compliance of any specific product.

Working Principle

The valve uses a thermally insulated, refractory-lined mechanism—such as a sliding gate, rotary, or stopper rod—actuated by pneumatic systems. The actuator modulates the orifice opening, thereby controlling the flow of molten metal from a vessel (e.g., tundish or ladle) to molds or casting equipment. The refractory lining and high-temperature alloys protect the valve from thermal and corrosive damage, while graphite seals ensure tight shutoff. The pneumatic actuation allows precise positioning of the flow control element, enabling accurate regulation of metal flow rate and volume.

Common Materials

refractory ceramic lining, high-temperature alloy steel body, graphite seals, alumina insulation

Technical Parameters

Parameter	Typical range	Notes & selection driver
Orifice DiameterRequired	15–60 mm	Nominal flow orifice size
Temperature RatingRequired	800–1600 °C	Continuous operating temperature
Connection TypeRequired	Flange N/A	Flange or threaded connection standardISO 7005
Actuation TypeRequired	Pneumatic N/A	Pneumatic, hydraulic, or manual
Operating Pressure	1.0–1.6 MPa	Below 1.0 MPa the seat load is insufficient.ISO 5208
Flow Coefficient (Cv)	2.5–10 m³/h	At full open, based on water at 20°C.
Leakage Rate	≤0.01 % of rated flow	Class VI seat leakage.ISO 5208
Response Time	0.5–2.0 s	From full open to full close.
Control Accuracy	±1.5 % of span	Under steady-state conditions.
Supply Voltage	24 ±10% V DC	For actuation and control.
Enclosure Rating	IP54–IP65	Higher rating for dusty environments.IEC 60529
Body Material	Stainless Steel 310S	Heat-resistant grade for high-temperature service.ASTM A240
Weight	15–45 kg	Depends on size and actuation.

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

Valve Body Part
Main structural housing

Material: High-temperature steel alloy
Refractory Liner Part
Thermal insulation and corrosion resistance

Material: Alumina/Zirconia ceramic
Flow Control Mechanism
Modulates orifice opening

Material: Graphite/Refractory composite
Actuator Assembly
Provides mechanical force for valve operation

Material: Steel/Pneumatic components
Thermal Insulation Jacket Optional
Reduces external heat transfer

Material: Ceramic fiber blanket

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Molten Metal Flow Control Valve.

Manufacturers of Molten Metal Flow Control Valve

Manufacturer profiles associated with Molten Metal Flow Control Valve.

Sourcing Molten Metal Flow Control Valve from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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.

Frequently Asked Questions

What materials are used in the construction of this valve?

The valve features a refractory ceramic lining, high-temperature alloy steel body, graphite seals, and alumina insulation. The body material is Stainless Steel 310S per ASTM A240.

What is the operating temperature range?

The continuous operating temperature rating is 800–1600 °C. Always verify the exact temperature limits for your specific application with the manufacturer.

How is the valve actuated?

The valve is pneumatically actuated, with a supply voltage of 24 V DC (±10%) for actuation and control. The response time from full open to full close is 0.5–2.0 seconds.

What standards apply to this valve?

Relevant standards include ISO 7005 for flange connections, ISO 5208 for leakage testing, IEC 60529 for enclosure rating, and ASTM A240 for body material. These are reference standards; compliance must be confirmed with the manufacturer.

Data Basis

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

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.

Buyer enquiry

Request manufacturing insight for Molten Metal Flow Control Valve

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	0 to 2 bar (gauge)
flow rate:	0.1 to 50 L/min
temperature:	800°C to 1600°C
slurry concentration:	0% (pure molten metal only)

Product Specifications

Industry Taxonomies & Aliases

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards