Structured Manufacturing Data (2026)

Fluid Cap / Body

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Fluid Cap / 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 Fluid Cap / Body is characterized by the integration of Inlet Thread and Internal Chamber. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel 316 construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The main housing component of a spray nozzle assembly that contains and directs fluid flow.

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Product Specifications

Technical details and manufacturing context for Fluid Cap / Body

Definition
The Fluid Cap/Body is the primary structural component of a spray nozzle assembly, serving as the housing that encloses internal parts, maintains pressure integrity, and provides the fluid passageway from the inlet to the orifice. It determines the nozzle's connection type, mounting configuration, and overall durability.
Working Principle
Fluid enters the body through an inlet connection, flows through an internal chamber where pressure is maintained, and is directed toward the orifice plate or spray tip. The body's geometry controls flow characteristics and provides structural support for all internal components.
Common Materials
Stainless Steel 316, Brass, PVC
Technical Parameters
  • Connection thread size (e.g., NPT, BSP) and overall dimensions (mm) Per Request
Components / BOM
  • Inlet Thread Part
    Provides connection to fluid supply line
    Material: Same as body material
  • Internal Chamber Part
    Holds fluid under pressure before discharge
    Material: Same as body material
  • Mounting Flange Part
    Secures nozzle to equipment or piping
    Material: Same as body material
  • Orifice Seat Part
    Precise surface where orifice plate or tip seals
    Material: Same as body material

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Fluid Cap / Body.

stainless steel 316 spray nozzle body brass fluid cap mounting flange PVC spray nozzle housing component industrial fluid cap internal chamber machinery equipment spray nozzle orifice seat

Applied To / Applications

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

Spray Nozzle Assembly
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 100 bar (1450 psi)
flow rate: 0.5 to 500 L/min
temperature: -40°C to 150°C
slurry concentration: Up to 30% solids by weight
Media Compatibility
✓ Water-based fluids ✓ Chemical solutions (pH 3-10) ✓ Oil-based lubricants
Unsuitable: Hydrofluoric acid or highly corrosive halogenated compounds
Sizing Data Required
  • Required flow rate (L/min)
  • Operating pressure (bar)
  • Fluid viscosity (cP)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Seal degradation and leakage
Cause: Chemical incompatibility with process fluid leading to seal swelling, hardening, or cracking; excessive temperature beyond seal material limits; improper installation causing seal damage
Thread wear and galling
Cause: Improper torque application during installation (over-tightening or under-tightening); misalignment during assembly; lack of lubrication on threads; material incompatibility between cap and body threads
Maintenance Indicators
  • Visible fluid seepage or drips around the cap-body interface during operation
  • Audible hissing or whistling sound indicating pressure leakage past the seal
Engineering Tips
  • Implement proper torque procedures using calibrated tools and follow manufacturer specifications to prevent thread damage and ensure optimal seal compression
  • Establish regular inspection intervals to check seal condition and replace proactively based on service hours or cycles rather than waiting for failure

Compliance & Manufacturing Standards

Reference Standards
ISO 1179-1:2013 (Connections for general use and fluid power - Ports and stud ends) ANSI/ASME B16.5:2020 (Pipe Flanges and Flanged Fittings) DIN 2353:2017 (Tube fittings with cutting ring for general and hydraulic use)
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Sealing surface flatness: 0.1mm
Quality Inspection
  • Pressure test (hydrostatic/pneumatic) for leak integrity
  • Dimensional verification with coordinate measuring machine (CMM)

Factories Producing Fluid Cap / Body

Manufacturer profiles with relevant production capability in China

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

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.

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Frequently Asked Questions

What materials are available for the fluid cap/body?

The fluid cap/body is available in Stainless Steel 316 for corrosion resistance, Brass for durability and cost-effectiveness, and PVC for chemical compatibility and lightweight applications.

What are the key components in the fluid cap/body BOM?

The bill of materials includes an Inlet Thread for fluid connection, an Internal Chamber for flow direction, a Mounting Flange for secure installation, and an Orifice Seat for precise fluid control.

How does the fluid cap/body function in spray nozzle assemblies?

It serves as the main housing that contains and directs fluid flow from the inlet through the internal chamber to the orifice, ensuring controlled spray patterns in machinery and equipment manufacturing.

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 basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

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.

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