Industry-Verified Manufacturing Data (2026)

Metering Valve

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Metering Valve used in the Chemical Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Metering Valve is characterized by the integration of Valve Body and Stem and Needle. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision valve designed to accurately control and measure the flow rate of oxidants within a dispensing system.

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Product Specifications

Technical details and manufacturing context for Metering Valve

Definition
A metering valve is a critical component of an oxidant dispenser that precisely regulates the volume or flow rate of oxidant materials (such as oxygen, chlorine, or other oxidizing agents) delivered to a process. It ensures accurate dosing for chemical reactions, sterilization, bleaching, or other industrial applications where controlled oxidant addition is essential.
Working Principle
The valve operates by adjusting an orifice or needle mechanism to create a precise, repeatable restriction in the flow path. Manual, pneumatic, or electric actuators position the valve stem to modulate the opening, allowing fine control over the oxidant flow rate based on system requirements.
Common Materials
Stainless Steel, PTFE (Polytetrafluoroethylene), Hastelloy
Technical Parameters
  • Orifice diameter or valve size determining maximum flow capacity (mm) Per Request
Components / BOM
  • Valve Body
    Main housing that contains fluid passage and provides connection points
    Material: Stainless Steel
  • Stem and Needle
    Precision component that moves to adjust orifice opening for flow control
    Material: Stainless Steel
  • Seals and Gaskets
    Prevent leakage between moving parts and connections
    Material: PTFE or Viton
  • Actuator
    Mechanism (manual, pneumatic, electric) that positions the stem for flow adjustment
    Material: Aluminum or Stainless Steel
Engineering Reasoning
0.5-15.0 bar differential pressure, 0.1-5.0 L/min flow rate
Differential pressure exceeding 18.0 bar or flow rate surpassing 6.0 L/min
Design Rationale: Cavitation-induced erosion at the valve seat due to localized pressure drop below the oxidant's vapor pressure (approximately 0.8 bar at 20°C for pure oxygen), causing material fatigue and loss of sealing integrity
Risk Mitigation (FMEA)
Trigger Particulate contamination exceeding 10 μm in oxidant stream
Mode: Valve seat scoring and flow coefficient deviation beyond ±2% of calibrated value
Strategy: Installation of dual-stage 5 μm absolute filtration upstream with differential pressure monitoring
Trigger Thermal cycling between -20°C and 80°C at >5 cycles/hour
Mode: Thermal expansion mismatch between stainless steel body (17.3 μm/m·K) and PTFE seals (135 μm/m·K) causing seal extrusion
Strategy: Implementation of thermal buffer chamber maintaining ±5°C temperature stability

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Metering Valve.

precision oxidant metering valve chemical manufacturing stainless steel PTFE metering valve for dispensing systems Hastelloy chemical flow control valve with actuator metering valve for oxidant flow rate measurement chemical dispensing system pre

Applied To / Applications

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

Oxidant Dispenser
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 100 bar (max operating)
flow rate: 0.1 to 100 L/min (calibrated range)
temperature: -20°C to 150°C
slurry concentration: Up to 20% solids by weight (non-abrasive)
Media Compatibility
✓ Oxygen gas (medical grade) ✓ Nitrogen gas (industrial purity) ✓ Hydrogen peroxide solutions (aqueous, <30%)
Unsuitable: Hydrofluoric acid or halogenated solvents (causes material degradation)
Sizing Data Required
  • Required flow rate accuracy (±% of reading)
  • System operating pressure (bar)
  • Media viscosity and density at operating conditions

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Internal leakage due to seat wear
Cause: Abrasive particles in the fluid eroding the valve seat surface over time, compromising sealing integrity
Sticking or binding of the metering mechanism
Cause: Corrosion or contamination buildup on the precision sliding surfaces, often from improper fluid filtration or incompatible materials
Maintenance Indicators
  • Audible hissing or whistling during operation indicating internal leakage past the seat
  • Visible fluid seepage around the valve stem or body connections during normal operation
Engineering Tips
  • Install upstream filtration (minimum 10 micron) to remove abrasive particles and maintain fluid cleanliness
  • Implement regular calibration checks using flow measurement equipment to detect early performance degradation before complete failure

Compliance & Manufacturing Standards

Reference Standards
ISO 5208:2015 (Industrial valves - Pressure testing of valves) ANSI/FCI 70-2-2013 (Control valve seat leakage) DIN EN 1349:2009 (Industrial valves - Metallic valves for general purposes)
Manufacturing Precision
  • Bore diameter: +/-0.01mm
  • Seat flatness: 0.05mm
Quality Inspection
  • Helium leak test for seat tightness
  • Dimensional verification with CMM (Coordinate Measuring Machine)

Factories Producing Metering Valve

Verified manufacturers with capability to produce this product in China

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✓ 96% Supplier Capability Match Found

T Technical Director from Australia Feb 15, 2026
★★★★★
"Standard OEM quality for Chemical Manufacturing applications. The Metering Valve arrived with full certification."
Technical Specifications Verified
P Project Engineer from Singapore Feb 12, 2026
★★★★☆
"Great transparency on the Metering Valve components. Essential for our Chemical Manufacturing supply chain. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Germany Feb 09, 2026
★★★★★
"The Metering Valve we sourced perfectly fits our Chemical Manufacturing production line requirements."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

10 sourcing managers are analyzing this specification now. Last inquiry for Metering Valve from India (1h ago).

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Frequently Asked Questions

What materials are used in this metering valve for chemical resistance?

This metering valve features stainless steel, PTFE (Polytetrafluoroethylene), and Hastelloy construction for superior chemical resistance, particularly against corrosive oxidants in chemical manufacturing applications.

How does this valve ensure precise flow control of oxidants?

The valve utilizes a precision stem and needle mechanism within a carefully engineered valve body to provide accurate flow rate measurement and control, essential for safe and efficient oxidant dispensing in chemical processes.

What components are included in the valve's bill of materials?

The BOM includes Valve Body, Stem and Needle, Seals and Gaskets, and Actuator components, all designed for durability and precision in chemical manufacturing environments.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Chemical Manufacturing sector.

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