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Product Overview
 

Kinee industrial connections are engineered for secure fluid, gas, and mechanical integration in heavy-duty machinery and automated systems. Manufactured from certified raw bars using CNC multi-axis lathes, each connection undergoes strict thread profile verification and pressure testing. Designed to maintain leak-tight integrity under continuous vibration and thermal cycling, our fittings meet international dimensional standards for seamless integration into OEM equipment.

 

 
 
Key Features & Benefits

Precision Machining Tolerance: CNC-turned thread profiles conform to ISO, NPT, and BSP standards, eliminating cross-threading and ensuring low installation torque.

 

Metal-to-Metal Seal Integrity: Optimized sealing surfaces prevent media leakage under operational pressures up to 6,000 PSI (depending on size and material).

 

Vibration Resistance: Integrated anti-vibration design prevents loosening in high-frequency pneumatic and hydraulic circuits.

 

Corrosion Protection: Passivated stainless steel and electroplated carbon steel options withstand aggressive industrial environments and salt-spray exposure.

 

Traceability: Laser-etched heat numbers on body components allow full material batch and mill-test report (MTR) traceability.

 

Technical Specifications

 

Parameter

Specification Detail

Available Sizes

1/8 to 2 inches (Imperial); M5 to M48 (Metric)

Thread Standards

NPT, BSPT, BSPP, UNF, Metric (ISO 6149 / DIN 3852)

Body Materials

SS304, SS316L, Brass (C3604), Carbon Steel (12L14 / 45# Steel)

Working Pressure

Up to 413 bar (6,000 PSI) — Application dependent

Operating Temperature

-40°C to +250°C (Elastomer seal dependent)

Surface Treatment

Zinc Plating (Cr3+ compliant, 96h+ NSS), Electroless Nickel, Passivated

Manufacturing Process

CNC Multi-axis Turning, Thread Rolling, Ultrasonic Cleaning

Inspection Standard

100% Optical Comparator Thread Check, Pneumatic Pressure Test

 

Product Types

 

Series

Primary Application

Key Characteristic

KC-T Series (Threaded)

Hydraulic & Pneumatic lines

Parallel/tapered threads, high burst pressure resistance

KC-F Series (Flanged)

Heavy industrial piping

Multi-bolt distribution, robust structural rigidity

KC-Q Series (Quick-Disconnect)

Tool changers, automation

Push-to-connect mechanism, integrated shut-off valve

KC-C Series (Compression)

Instrumentation tubing

Ferrule bite-type design, zero leakage on gas lines

 

Applications

 

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  • Hydraulic & Pneumatic Systems

    Presses, injection molding machines, and clamping fixtures.

  • Industrial Automation

    Robotic end-effectors, pneumatic control cabinets, and assembly lines.

  • Fluid & Gas Handling

    Chemical dosing lines, water treatment skids, and cooling circuits.

  • Energy Equipment

    Wind turbine pitch control systems and solar tracker hydraulic actuators.

 

 
 
Quality Control & Certifications

Quality control is embedded directly into our production floor operations:

01.

Raw Material Verification

Spectrometer analysis is performed on every incoming bar lot to verify chemical composition before machining.

02.

In-Process Inspection

CNC operators perform dimensional checks every 50 parts using digital micrometers and thread plug gauges.

03.

Final Testing

Automated test benches subject 100% of critical high-pressure batches to pneumatic burst and leakage testing.

04.

Certifications

Manufactured under ISO 9001:2015 quality management systems. RoHS and REACH compliance documentation available upon request.

 

 
 
OEM & Customization

We support custom engineering requirements for specialized OEM applications:

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Non-Standard Dimensions

Custom thread pitches, extended body lengths, or specialized port configurations based on 2D/3D CAD drawings (STEP, IGES, SolidWorks).

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Material Alterations

Specialized alloys including Monel, Inconel, or Titanium for extreme chemical or marine environments.

 

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Private Labeling

Laser marking of customer part numbers, logos, and batch codes on component bodies.

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Custom Packaging

Barcoded individual bagging or bulk anti-corrosion VCI packaging for automated assembly lines.

 

Installation & Compatibility

 

 

Compatibility

Fully interchangeable with major global industrial fitting brands sharing standard thread geometries.

 

Installation Guidelines

Apply recommended thread sealant (for tapered threads) or ensure proper torque values on compression nuts to prevent over-compression and thread galling.

 

Maintenance

Periodic visual inspection for external weeping or corrosion is recommended every 500 operating hours.

 

 

Packaging & Shipping

 

Packaging Materials

Individual polybags with desiccant, packed in heavy-duty double-wall corrugated cartons. Pallets are heat-treated (ISPM 15 compliant) and shrink-wrapped for international freight.

Logistics Support

FOB, CIF, or DDP shipping terms via air freight or sea freight from major Chinese export ports. Stock items ship within 5 to 7 business days; custom production runs require 25 to 35 days.

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Frequently Asked Questions

 

Q: Are Kinee connections interchangeable with standard Parker or Swagelok fittings of the same thread size?

A: Yes. Kinee connections are manufactured to strict international standards (ISO, SAE, DIN, NPT). Our threaded and compression fittings match standard global geometries, allowing direct replacement in existing assemblies without altering mating ports.

Q: What is the difference in corrosion resistance between Zinc-Plated Carbon Steel and 316L Stainless Steel?

A: Zinc-plated carbon steel (Cr3+ passivated) withstands up to 96 hours of neutral salt spray (NSS) testing and is ideal for indoor or sheltered hydraulic systems. 316L stainless steel features a native chromium-oxide passive film, providing superior resistance to chemical attack, marine atmospheres, and high-humidity environments without surface plating.

Q: Do you provide Material Test Reports (MTR) or Mill Certificates with shipments?

A: Yes. We provide 3.1 material test certificates and inspection reports upon request for all stainless steel and alloy batches. MTR reference numbers are laser-etched directly onto bulk components for full traceability.

Q: What is your standard lead time for custom-machined connection parts based on custom drawings?

A: Initial sample development and prototyping typically take 12 to 18 days, including raw material sourcing and CNC programming. Mass production lead time ranges from 25 to 35 days depending on batch volume and surface finishing requirements.

Q: How do you prevent thread damage and contamination during international transit?

A: All external threads are protected with heavy-duty plastic caps. Components are sealed in anti-corrosion VCI (Volatile Corrosion Inhibitor) bags or individual oil-coated packaging, then secured inside export-grade reinforced cartons to prevent impact during transit.

Q: What is the minimum order quantity (MOQ) for non-standard custom thread connections?

A: For standard catalogue items, we support low-batch trial orders. For custom CNC-machined parts requiring specific tooling setups, the typical MOQ starts at 500 to 1,000 pieces per item, negotiable based on total project scope.

 

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Request a Quote

Need specific dimensions, material certifications, or custom connection configurations for your upcoming project? Submit your technical requirements or CAD drawings to our engineering team.
Email: patti@kinee.net.cn
Response Time: Within 24 business hours with formal quotation and DFM (Design for Manufacturability) feedback.

Wenzhou Kinee Electrical Co., Ltd. is one of the most professional connection manufacturers and suppliers in China, featured by quality products and good price. Please rest assured to buy advanced connection made in China here from our factory. We also accept customized orders.

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