This CPP® Type A (Part A) adaptor connects a matching 4″ female Camlock coupler to equipment or pipework through its 4″ NPT female thread. It allows the Camlock joint to be connected and disconnected while the threaded end remains installed.
Manufactured from glass-filled polypropylene, the adaptor has a male Camlock profile that fits inside a matching female coupler. The cam arms and sealing gasket are carried by the mating female coupler.
Specifications
Camlock type: Type A (Part A)
Camlock connection: 4″ male.
Thread: 4″ NPT female.
Thread standard: ASME B1.20.1.
Thread form: Tapered internal thread.
Body material: Glass-filled polypropylene.
SKU: CMA40N027.
Camlock compatibility: Fits matching 4″ female Camlock heads manufactured to EN 14420-7 or US specification A-A-59326.
Choosing the correct size: The 4″ measurement refers to the nominal pipe thread size. The Camlock head is 4″; check both connections when selecting the fitting.
Thread specification
NPT means National Pipe Taper. This product has a 4″ tapered female thread to ASME B1.20.1. Select a matching NPT connection and a sealing method suitable for plastic fittings. NPT and BSP threads are different standards and must be selected accordingly.
Pressure ratings — water service
Temperature
Pressure rating
−10°C
Not specified
20°C
3.5 bar (approximately 51 psi)
65°C
Not specified
These ratings apply to CPP® Camlocks in the 4″ size category and are based on water service. They are a guide only; verify suitability by testing under the intended conditions of use and meet applicable health and safety requirements. The complete assembly is limited by its lowest-rated component. No rating is specified for 4″ Camlocks at −10°C or 65°C.
Installation and use
Use a suitable mating thread and sealing arrangement; avoid overtightening plastic threads. Check compatibility of the body, gasket and connected components with the liquid and operating temperature. Support attached hoses and pipework to avoid strain on the fitting, and release system pressure before disconnecting.
Part-number orderingUse the CPP® SKU for fast repeat purchasing.
UK manufacturerSpecialist polymer fluid-transfer fittings.
Technical supportHelp with threads, materials and compatibility.
Global supplyB2B supply for industrial customers and distributors.
TECHNICAL RESOURCES
Check the connection before you order
Use the CPP technical guides for dimensions, material guidance and connection identification. If you are unsure which fitting you need, send us the application details and we can help identify it.
