Is the Connection block, type A21 suitable for use at pressures up to 13 bar and operating temperatures of +50Â°C?

Yes. Connection block, type A21 is specified with a working pressure of 13 bar and an operating temperature of +50Â°C, so it is suitable for use at those conditions. Note that the distributor body is technopolymer and the connections are brass; ensure compatibility of these materials with your specific pneumatic media and operating environment before use.

Can Connection block, type A21 with internal threads be used with brass fittings for pneumatic systems?

Yes - Connection block, type A21 Format with internal threads can be used with brass fittings for pneumatic systems. The connections are threaded and the connection material is brass, so brass fittings will match mechanically and are suitable for the intended service. Note the distributor body is technopolymer; ensure compatible thread type and sealing method (e.g., PTFE tape or appropriate sealant) and respect the working limits: max working pressure 13 bar and max operating temperature +50Â°C. If your system uses media or additives that attack technopolymer, or if higher temperatures/pressures are expected, choose a different material.

Does Connection block, type A21 with internal threads support four-way pneumatic configurations?

Yes. Connection block, type A21 with internal threads supports four-way pneumatic configurations. The product is described as a Distributor block type A21 with internal threads (four-way), has threaded connections for connecting pneumatic components, and is rated for pneumatic service (working pressure up to 13 bar, operating temperature up to +50Â°C). Its technopolymer distributor body and brass connections are suitable for typical compressed-air systems, so it can be used to route air to four ports in four-way layouts provided the ports and thread sizes match your system fittings and pressure/temperature requirements.

Connection block, type A21

All products, Threaded pneumatic fittings/

Additional information

Material	P – material (plastic)

Distributor block, type A21, with female threads (cross). It has threaded connections for connecting pneumatic components. Distributor material: technopolymer. Connection material: brass. Working pressure: 13 bar. Operating temperature: +50°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
MW-2121001	Connection block A21, 4 x 1/8" BSP female	-	-	In stock	Enquiry
MW-2121002	Connection block A21, 4 x 1/4" BSP female	-	-	In stock	Enquiry
MW-2121003	Connection block A21, 4 x 3/8" BSP female	-	-	In stock	Enquiry
MW-2121004	Connection block A21, 4 x 1/2" BSP female	-	-	In stock	Enquiry

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Distributor block, type A21, with female threads (cross). It has threaded connections for connecting pneumatic components. Distributor material: technopolymer. Connection material: brass. Working pressure: 13 bar. Operating temperature: +50°C.