Structured Manufacturing Data (2026)

Stopper Pusher Assembly

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Stopper Pusher Assembly 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 Stopper Pusher Assembly is characterized by the integration of Pusher Rod and Hydraulic Cylinder. In industrial production environments, manufacturers listed on CNFX commonly emphasize Chrome-plated steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A mechanical assembly that pushes stoppers into position within hydraulic systems

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Product Specifications

Technical details and manufacturing context for Stopper Pusher Assembly

Definition
The Stopper Pusher Assembly is a critical component of the Hydraulic Stoppering System responsible for precisely positioning and inserting stoppers or blocking elements in hydraulic circuits. It ensures proper sealing and flow control by accurately deploying stoppers at designated locations within the system.
Working Principle
The assembly converts hydraulic pressure into linear mechanical force through a piston-cylinder mechanism. When hydraulic fluid is directed into the cylinder, it drives the piston forward, which in turn pushes the attached stopper into the desired position. The assembly typically includes return springs or reverse hydraulic circuits to retract the pusher when not engaged.
Common Materials
Chrome-plated steel, Stainless steel, High-grade seals
Technical Parameters
  • Stroke length of the pusher mechanism (mm) Per Request
Components / BOM
  • Pusher Rod Part
    Directly contacts and pushes the stopper into position
    Material: Chrome-plated steel
  • Hydraulic Cylinder
    Converts hydraulic pressure into linear motion
    Material: Stainless steel
  • Piston Part
    Transfers hydraulic force to the pusher rod
    Material: Hardened steel
  • Seal Kit Part
    Prevents hydraulic fluid leakage
    Material: Nitrile rubber
  • Mounting Bracket Part
    Secures the assembly to the hydraulic system frame
    Material: Carbon steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Stopper Pusher Assembly.

hydraulic stopper pusher assembly chrome-plated steel pusher rod industrial stopper positioning equipment high-grade seal stopper pusher machinery stopper assembly BOM

Applied To / Applications

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

Hydraulic Stoppering System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 300 bar
flow rate: Up to 100 L/min
temperature: -20°C to 120°C
slurry concentration: Up to 15% solids by weight
Media Compatibility
✓ Hydraulic oil (ISO VG 32-68) ✓ Water-glycol fluids ✓ Phosphate ester fluids
Unsuitable: Highly abrasive slurries with >15% solids or corrosive chemicals
Sizing Data Required
  • Stopper diameter (mm)
  • Required pushing force (N)
  • System operating pressure (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Misalignment-induced wear
Cause: Improper installation or thermal expansion causing misalignment between pusher and stopper surfaces, leading to uneven contact and accelerated mechanical wear.
Lubrication failure
Cause: Contaminated or degraded lubricant in sliding/rotating components, resulting in increased friction, overheating, and eventual seizure or excessive wear.
Maintenance Indicators
  • Abnormal grinding or scraping noises during operation indicating metal-on-metal contact
  • Visible misalignment or wobble in the pusher mechanism during cycling
Engineering Tips
  • Implement laser alignment verification during installation and periodic checks to ensure proper pusher-stopper interface alignment
  • Establish a strict lubrication schedule using manufacturer-recommended greases with contamination control measures and regular oil analysis

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ANSI B46.1 Surface Texture DIN 7150-1 Tolerances for Press Fits
Manufacturing Precision
  • Bore Diameter: +/-0.01mm
  • Parallelism: 0.05mm across mating surfaces
Quality Inspection
  • Dimensional Verification with CMM
  • Hardness Testing (Rockwell C scale)

Factories Producing Stopper Pusher Assembly

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 used in the stopper pusher assembly?

The assembly is constructed from durable chrome-plated steel and stainless steel components, with high-grade seals to ensure reliability in hydraulic systems.

What is included in the BOM for this assembly?

The bill of materials includes a hydraulic cylinder, mounting bracket, piston, pusher rod, and seal kit for complete assembly and maintenance.

How does the stopper pusher assembly function in hydraulic systems?

It mechanically pushes stoppers into precise positions within hydraulic systems, ensuring proper alignment and operation 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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