Industry-Verified Manufacturing Data (2026)

Valve Housing/Body

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

Technical Definition & Core Assembly

A canonical Valve Housing/Body is characterized by the integration of Inlet Port and Outlet Port. In industrial production environments, manufacturers listed on CNFX commonly emphasize Cast Iron construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The structural enclosure that contains and supports the internal components of a valve within an air distribution system.

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Product Specifications

Technical details and manufacturing context for Valve Housing/Body

Definition
The valve housing or body is the primary structural component of a valve in an air distribution system, serving as the pressure-containing envelope that houses the valve's internal mechanisms (such as discs, seats, stems, and actuators). It provides the mounting interface for connecting to piping systems and ensures proper alignment and sealing of internal components to control airflow direction, pressure, and volume.
Working Principle
The valve body remains stationary while internal components move to regulate airflow. It withstands system pressure and provides a sealed environment for the valve's operating mechanism, with ports for inlet and outlet connections that align with the air distribution network.
Common Materials
Cast Iron, Stainless Steel, Bronze, Aluminum, Ductile Iron
Technical Parameters
  • Nominal pipe size (NPS) or port diameter that determines the valve's connection size to the air distribution system (mm) Per Request
Components / BOM
  • Inlet Port
    Connection point for incoming airflow from the distribution system
    Material: Same as body material
  • Outlet Port
    Connection point for outgoing airflow to downstream components
    Material: Same as body material
  • Bonnet Flange
    Mounting surface for attaching the valve bonnet/cover to access internal components
    Material: Same as body material
  • Seating Surface
    Precision-machined area where the valve disc/plug makes contact to create a seal
    Material: Stainless steel or hardened alloy
  • Mounting Holes/Bolts
    Fastening points for connecting to piping flanges or actuator mounting
    Material: Carbon steel or stainless steel
Engineering Reasoning
0-25 bar (0-2.5 MPa) at -40°C to 150°C
Material yield strength threshold: 250 MPa for ductile cast iron ASTM A536, 35 MPa burst pressure for polymer housings
Design Rationale: Stress corrosion cracking from chloride ion concentration >50 ppm in moist air at >60°C, leading to crack propagation at stress intensity factor K_ISCC = 15 MPa√m
Risk Mitigation (FMEA)
Trigger Cyclic pressure fluctuation exceeding 0.8×yield strength at 1 Hz frequency
Mode: Fatigue crack initiation at casting defects >0.5 mm diameter
Strategy: Shot peening surface treatment to induce 200-400 MPa compressive residual stress layer
Trigger Differential thermal expansion mismatch (Δα=12×10^-6 /°C) between housing and seat during 100°C/min temperature transients
Mode: Thermal stress-induced distortion exceeding flatness tolerance of 0.05 mm/100 mm
Strategy: Coefficient of thermal expansion matching through material selection (e.g., 17-4PH stainless steel housing with Stellite seat)

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Valve Housing/Body.

cast iron valve housing for air systems stainless steel valve body BOM components bronze valve housing mounting specifications ductile iron valve body seating surface aluminum valve housing inlet port design

Applied To / Applications

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

Air Distribution System
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 1500 psi (10.3 MPa)
flow rate: Dependent on valve type and size, typically 0-5000 GPM
temperature: -40°C to 200°C
slurry concentration: Up to 30% solids by weight (material dependent)
Media Compatibility
✓ Compressed Air Systems ✓ Water/Glycol Mixtures ✓ Industrial Gases (N2, O2, CO2)
Unsuitable: Hydrochloric Acid (HCl) environments
Sizing Data Required
  • System Operating Pressure (psi/bar)
  • Pipe Connection Size and Standard (NPT, ANSI, etc.)
  • Valve Type and Actuation Method

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Cavitation damage
Cause: Rapid pressure drop across the valve causing vapor bubble formation and implosion, leading to localized pitting and material loss on the housing interior surfaces.
Corrosion fatigue cracking
Cause: Cyclic stress combined with corrosive fluid exposure, initiating and propagating cracks from stress concentration points like threaded connections or geometric transitions.
Maintenance Indicators
  • Visible external weeping or leakage at body-bonnet or body-flange joints
  • Unusual audible hissing or high-frequency vibration during operation
Engineering Tips
  • Implement proper valve sizing and trim selection to maintain operating pressure above fluid vapor pressure, preventing cavitation conditions.
  • Apply protective coatings or select corrosion-resistant alloys matched to the specific process fluid chemistry and temperature.

Compliance & Manufacturing Standards

Reference Standards
ISO 5208: Industrial valves - Pressure testing of valves ANSI/ASME B16.34: Valves - Flanged, Threaded, and Welding End DIN EN 12516-1: Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells
Manufacturing Precision
  • Bore diameter: +/-0.05mm
  • Flange flatness: 0.1mm per 300mm diameter
Quality Inspection
  • Hydrostatic pressure test
  • Dimensional verification with CMM

Factories Producing Valve Housing/Body

Verified manufacturers with capability to produce this product in China

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✓ 97% Supplier Capability Match Found

P Project Engineer from Canada Feb 18, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Valve Housing/Body arrived with full certification."
Technical Specifications Verified
S Sourcing Manager from United States Feb 15, 2026
★★★★★
"Great transparency on the Valve Housing/Body components. Essential for our Machinery and Equipment Manufacturing supply chain."
Technical Specifications Verified
P Procurement Specialist from United Arab Emirates Feb 12, 2026
★★★★★
"The Valve Housing/Body we sourced perfectly fits our Machinery and Equipment 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.”

19 sourcing managers are analyzing this specification now. Last inquiry for Valve Housing/Body from USA (1h ago).

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Frequently Asked Questions

What materials are commonly used for valve housings in machinery manufacturing?

Common materials include cast iron for durability, stainless steel for corrosion resistance, bronze for marine applications, aluminum for lightweight needs, and ductile iron for high-pressure systems.

What are the key components in a valve housing bill of materials (BOM)?

A typical BOM includes the bonnet flange, inlet and outlet ports, mounting holes/bolts for installation, and the seating surface that ensures proper valve sealing.

How does valve housing design affect air distribution system performance?

Proper housing design ensures structural integrity, prevents leaks through precise seating surfaces, accommodates pressure ratings, and enables efficient airflow through optimized port geometry.

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 Machinery and Equipment Manufacturing sector.

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