Valve Body / Housing: Temperature Range -29°C to 425°C

Component Specifications

Definition

The valve body or housing is the main structural component of the Apex Valve, serving as the pressure-retaining envelope that houses the internal closure mechanism (such as a ball, gate, or plug). It provides the flow path, connection points (flanged, threaded, or welded), and structural integrity to withstand operational pressures, temperatures, and mechanical stresses. Engineered for precise fluid control in pipelines, it ensures leak-tight sealing and compatibility with various media including water, steam, chemicals, and gases.

Working Principle

Acts as a pressure vessel that directs fluid through internal passages while supporting the valve's closure element. When the valve is actuated, the closure mechanism moves within the body to open, close, or modulate flow. The body's geometry (such as port design and flow coefficient Cv) determines flow characteristics, pressure drop, and sealing performance.

Materials

Typically ASTM A216 WCB (carbon steel), ASTM A351 CF8M (stainless steel 316), ductile iron ASTM A536, or brass C83600. Material selection depends on pressure rating, temperature range, and corrosion resistance requirements.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Size Range	DN15 to DN600 (1/2" to 24")
Face To Face	ASME B16.10
Leakage Class	ANSI/FCI 70-2 Class IV to VI
End Connection	Flanged (ASME B16.5), threaded (NPT, BSP), or butt-weld
Pressure Rating	ANSI Class 150 to 2500
Temperature Range	-29°C to 425°C

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

Standards

ISO 5208, API 598, ASME B16.34, DIN EN 12516

Parent Products

This component is used in the following industrial products

Apex Valve

A discharge control valve at the apex of a starch hydrocyclone separation cone, regulating the outflow of concentrated starch slurry.

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Delivery Valve

A precision valve component within a fuel injection pump that controls the release of pressurized fuel to the injectors.

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Engineering Analysis

Risks & Mitigation

Cracking due to thermal stress or pressure cycling
Corrosion from aggressive media
Leakage at sealing surfaces
Erosion from high-velocity flow

FMEA Triads

Trigger: Material defects or improper heat treatment
Failure: Body fracture under pressure
Mitigation: Ultrasonic testing and material certification per ASTM standards

Trigger: Gasket or seal degradation
Failure: Leakage at flange connections
Mitigation: Regular maintenance and torque verification per manufacturer specs

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Emerson, Flowserve, Kitz, Velan

Compliance & Inspection

Tolerance

Dimensional tolerances per ASME B16.34; surface finish Ra ≤ 3.2 μm for sealing areas

Test Method

Hydrostatic shell test per API 598; fugitive emission test per ISO 15848-1

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.

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Manufacturers of Valve Body / Housing

Manufacturer profiles associated with Valve Body / Housing.

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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

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Frequently Asked Questions

What materials are used for Apex Valve bodies in corrosive environments?

For corrosive service, materials like stainless steel 316 (ASTM A351 CF8M), duplex stainless steel, or nickel alloys are specified based on media compatibility and NACE MR0175 standards.

How is pressure rating determined for valve bodies?

Pressure rating follows ASME B16.34, based on material strength, design temperature, and safety factors. Testing includes hydrostatic shell tests at 1.5x rated pressure.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Valve Body / Housing