C Type Quick Coupling Pneumatic Fittings for Air Hoses

The C Type Quick Pneumatic Fittings are quick coupling connectors designed for air hoses, pneumatic tools, compressors and industrial air lines. The system uses matching sockets and plugs for fast connection and disconnection, helping simplify pneumatic tool changes and maintenance. PT, BSP, NPT and metric thread options are available, with PU, PA, PE and PVC tubing supported according to the selected configuration. The product is rated for 0–1.0 MPa and 0–60°C according to the current technical data. HOMIPNEU supports OEM & ODM supply for pneumatic connection projects.

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  • Overview
  • Free Sample
  • Warranty policy

Specifications

Parameter Specification
Product Name C Type Quick Coupling Pneumatic Fitting
Product Type Pneumatic quick coupling / quick connector
Working Medium Air, water, vacuum
Operating Pressure 0–1.0 MPa / 0–150 psi
Operating Temperature 0–60°C
Applicable Tube PU, PA, PE, PVC
Main Material Options Brass or nickel-plated carbon steel
Seal Material NBR
Connection Type Quick coupling with matching plug
Thread Options PT, BSP, NPT, Metric
Plug Options Male plugs and female quick couplings
Main Applications Air compressors, pneumatic tools, air hoses, automation equipment and industrial air lines
Installation Quick connection / quick disconnection
Selection Checks Confirm plug type, thread size, tube size, working pressure and medium before ordering

Model Selection

Series Connection Type Typical Port Size Function
SM Male thread 1/8″, 1/4″, 3/8″, 1/2″ Male threaded socket
SF Female thread 1/8″, 1/4″, 3/8″, 1/2″ Female threaded socket
SP Hose / pipe connection Various Pipe connection
SH Hose connection Various Hose connection
PM Male thread plug 1/8″, 1/4″, 3/8″, 1/2″ Matching male plug
PF Female thread plug 1/8″, 1/4″, 3/8″, 1/2″ Matching female plug
PP Pipe connection plug Various Matching pipe plug
PH Hose connection plug Various Matching hose plug

Product Features

Quick Connect and Disconnect
The C Type quick coupling is designed for fast connection and disconnection of pneumatic hoses and tools. It reduces the time required to replace air tools and service compressed-air connections.

Self-Locking Coupling Structure
The coupling and matching plug are designed to stay securely connected during normal operation while allowing the operator to disconnect the line when required.

Male and Female Connection Options
Different socket and plug configurations are available to accommodate air compressor outlets, pneumatic tools, air hoses, valves and industrial air lines.

Multiple Thread Standards
PT, BSP, NPT and metric thread options can be supplied according to the installation requirements of different pneumatic systems.

Compatible with Multiple Tubes
The product is suitable for PU, PA, PE and PVC pneumatic tubing when the correct tube size and connection configuration are selected.

Suitable for Air, Water and Vacuum
The current technical data lists air, water and vacuum as applicable media. Actual suitability should be checked according to pressure, temperature and medium compatibility.

Easy Manual Operation
The release mechanism allows the connection to be operated by hand without special tools. This is useful for pneumatic tools that need to be changed frequently.

Adjustable Installation Direction
After installation, the hose direction can be adjusted according to the fitting configuration and available installation space.

Applications

Pneumatic Tools
Used with impact wrenches, pneumatic screwdrivers, air drills, grinders, blow guns and other compressed-air tools.

Air Compressor Connections
Suitable for connecting compressor outlets, air hoses, quick couplers and workshop air distribution systems.

Workshop Air Lines
Used at maintenance stations and industrial workbenches where pneumatic tools need to be connected and disconnected frequently.

Factory Automation
Suitable for pneumatic equipment, automated machinery, cylinders, valves and production-line air connections.

Air Blow Gun Systems
Can be used between air hoses and blow guns for quick tool replacement and convenient workstation operation.

Maintenance Equipment
Useful for repair shops and service stations where different pneumatic tools need to share one compressed-air supply.

Industrial Water and Vacuum Lines
The product data also lists water and vacuum as applicable media. The actual fitting, seal and pressure rating should be confirmed for each application.

Why Choose HOMIPNEU

HOMIPNEU supplies C Type quick couplings, pneumatic fittings, air hoses, quick connectors, solenoid valves, cylinders and compressed-air accessories.

We help customers confirm the correct socket and plug combination, thread standard, tube size, operating pressure, temperature and working medium before ordering.

For distributors and industrial equipment manufacturers, HOMIPNEU supports bulk supply, export packaging, private labeling and OEM customization for pneumatic connection products.

FAQ

What is a C Type pneumatic quick coupling?
A C Type quick coupling is a pneumatic quick-connect system used to connect and disconnect air hoses, pneumatic tools and compressed-air equipment quickly.

What is the working pressure?
The HOMIPNEU page lists an operating pressure of 0–1.0 MPa / 0–150 psi.

What is the operating temperature?
The listed operating temperature is 0–60°C.

What types of tubing can be used?
The page lists PU, PA, PE and PVC tubing as applicable tube materials.

What thread standards are available?
PT, BSP, NPT and metric thread options are available according to customer requirements.

What media can the coupling handle?
The product data lists air, water and vacuum. For special fluids or unusual operating conditions, compatibility should be confirmed before use.

What are the common C Type models?
Common C-Type quick coupling systems use SM, SF, SP, SH, PM, PF, PP and PH series designations. The exact model should be selected according to the required socket, plug, hose and thread configuration.

What thread sizes are commonly available?
Common C-Type products are available with 1/8″, 1/4″, 3/8″ and 1/2″ ports, depending on the series and connection type.

How should the correct C Type coupling be selected?
Confirm the socket and plug type, thread standard, port size, tube outside diameter, working pressure, temperature and working medium before ordering.

Customization Support

HOMIPNEU can supply different thread standards, connection configurations, socket and plug combinations, tube sizes, materials, packaging and product labeling. Customers should provide the required thread type, port size, matching plug, tube specification, working medium, pressure and quantity for accurate selection.

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Free Sample Request Process:

  1. Select Your Sample: Browse through our product range and choose the sample you’d like to receive.

  2. Submit Your Request: Fill out the sample request form with your shipping details.

  3. Shipping Cost: While the sample itself is free, the buyer is responsible for covering the shipping fee. Please negotiate the shipping cost with us.

  4. Processing: Once your payment is confirmed, we will process your sample request and ship it to your address.

  5. Receive Your Sample: Your sample will be delivered to you within the estimated shipping time. Enjoy trying our product!

1. The warranty period of this product is eighteen months (subject to thefuselage bar code information). During the warranty period, if the productfails or is damaged under normal use according to the operating manual, ourcompany will be responsible for free maintenance.

2. During the warranty period, if damage is caused due to the followingreasons,a certain maintenance fee will be charged,

  • Machine damage caused by mistakes in use and unauthorized repairsand modifcations;
  • Machine damage caused by fre, food, abnormal voltage, other naturaldisasters and Level 2 disasters;
  • Hardware damage caused by artifcial fall and transportation afterpurchase;
  • Machine damage caused by failure to operate according to the user manual provided by our company;
  • Failure and damage caused by obstacles other than the machine (such asexternal equipment factors).

3. When the product fails or is damaged, please fll in all the contents in the”Product Warranty Card” correctly and in detail.

4. The charge of maintenance fees shall be based on our company’s latestadiusted “Maintenance Price List”.

5. This warranty card will not be reissued under normal circumstances.Please keep this card and show it to the maintenance personnel during thewarranty.

6. If you have any questions during the service process, please contact ouragent or our company in time.The company is committed to upgrading new products. If there are anychanges, you can download them from the company website.