Can I contact factories directly on CNFX?

CNFX is an open directory. Each factory profile provides direct contact information.

INDUSTRY COMPONENT

Valve Body & Seat

Valve Body & Seat is the core structural component of solenoid valves that houses the flow path and provides sealing surfaces for precise fluid control.

View Specifications

Component Specifications

Definition

The Valve Body & Seat in solenoid valves serves as the main housing that contains the internal flow channels and provides the critical sealing interface between moving parts. The body forms the pressure boundary and flow path geometry, while the seat creates the sealing surface against the valve plug or disc to enable precise on/off or proportional control of liquids or gases in automated systems.

Working Principle

The valve body provides the structural framework and flow path, while the seat creates a precision sealing surface. When the solenoid is energized, the plunger moves to open or close the flow against the seat, creating a tight seal to prevent leakage. The body withstands system pressure and directs fluid through designed orifices.

Materials

Stainless steel (304, 316), brass, aluminum alloys, engineered plastics (PTFE, PEEK), with seats often made of elastomers (EPDM, Viton), PTFE, or metal alloys for specific media compatibility.

Technical Parameters

Port Size 1/8" to 2" NPT/BSP
Leakage Class ANSI/FCI 70-2 Class IV or better
Pressure Rating Up to 1000 psi
Temperature Range -40°C to 200°C
Flow Coefficient (Cv) 0.1 to 10.0

Standards

ISO 5599-1, DIN 24340, ISO 15407-1, ANSI/FCI 70-2

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Valve Body & Seat.

Parent Products

This component is used in the following industrial products

Solenoid Valve (Electronic)

An electronically controlled solenoid valve that regulates fuel flow within a fuel injection pump system.

View Product Details

Engineering Analysis

Risks & Mitigation

Seat degradation from abrasive media
Body corrosion in chemical environments
Thermal expansion mismatch
Improper installation causing leaks

FMEA Triads

Trigger: Abrasive particles in fluid
Failure: Seat erosion leading to leakage
Mitigation: Install upstream filtration and select hardened seat materials

Trigger: Thermal cycling
Failure: Body distortion or seat compression set
Mitigation: Use materials with matched thermal expansion coefficients and proper torque specifications

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.01mm for critical sealing dimensions, surface finish Ra 0.8μm or better for sealing surfaces

Test Method

Pressure decay testing per ISO 15848, helium leak testing for high-integrity applications

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

Related Components

Inspection Frame

Structural support component in automated fabric inspection systems that holds cameras, sensors, and lighting for defect detection.

Machine Frame

The rigid structural foundation of a CNC wood router that provides stability, vibration damping, and precision alignment for cutting operations.

pH Sensor Assembly

Precision pH sensor assembly for automated monitoring and dosing systems in industrial applications

Load Cell Assembly

Precision load cell assembly for automated powder dispensing systems

Frequently Asked Questions

What materials are best for corrosive fluid applications?

Stainless steel 316 bodies with PTFE or PEEK seats provide excellent corrosion resistance for most aggressive media.

How does seat design affect valve performance?

Seat geometry directly impacts sealing effectiveness, response time, and service life. Soft seats offer better sealing but lower temperature limits, while metal seats handle higher temperatures but may allow minimal leakage.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.