Does the Nickel-plated brass adaptor with GZ/GW, type A4/Z require thread sealant for tapered threads and washers for cylindrical threads to ensure leak-tight connections?

Yes. The Nickel-plated brass adaptor with GZ/GW, type A4/Z requires additional sealing to ensure leak-tight connections. For tapered (conical) threads use Teflon tape or a suitable thread sealant; for cylindrical (parallel) threads use an aluminum or copper washer as a gasket. This follows the product guidance and applies for pneumatic service up to the specified 60 bar.

Is thread sealant or washers recommended for leak-tight connections with the Nickel-plated brass adaptor with GZ/GW, type A4/Z?

For the Nickel-plated brass adaptor with GZ/GW, type A4/Z: yes - additional seals are recommended. If the adaptor uses a tapered BSP thread, use PTFE (Teflon) tape or a liquid thread sealant for leak-tight joints. If it uses a cylindrical BSP thread, use an appropriate aluminum or copper washer to ensure seal. The material is nickel-plated brass and working pressure is 60 bar, so choose sealants and washers compatible with brass and the operating pressure.

Should I use PTFE tape or sealant on tapered threads of the Nickel-plated brass adaptor with GZ/GW, type A4/Z?

Yes. use PTFE (Teflon) tape or a suitable thread sealant on tapered threads of the Nickel-plated brass adaptor with GZ/GW, type A4/Z. The product description explicitly states tapered (conical) threads require Teflon tape or sealant to achieve leak-tight joints. Wrap the male tapered thread with PTFE tape in the direction of thread engagement (clockwise when looking at the end of the male thread), covering the thread without overbuilding (2â4 wraps typical), or apply a compatible pipe thread sealant rated for pneumatic systems and brass. Do not use aluminum/copper washers on tapered threads. those are for cylindrical threads. Ensure surfaces are clean and free of debris, assemble to the recommended torque for the application's fittings, and verify for leaks at working pressure (up to 60 bar for this adaptor).

Nickel-plated brass adaptor with GZ/GW, type A4/Z

All products, Threaded pneumatic fittings/

Additional information

Material	B – brass (bronze)

Adapter with external and internal BSP thread type A4/Z, intended for connecting pneumatic components (including hoses) together. The tightness of the connection usually requires the use of additional seals. In the case of a tapered thread, Teflon tape or sealant is used; for a cylindrical thread, aluminum or copper washers are required. Material: nickel-plated brass. Working pressure: 60 bar.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
MW-2151000	Adaptor A4/Z, GW M5 / GZ BSP 1/8	-	60	In stock	Enquiry
MW-2151001	Adaptor A4/Z, GW BSP 1/8" / GZ BSP 1/4"	-	60	In stock	Enquiry
MW-2151002	Adaptor A4/Z, GW BSP 1/8" / GZ BSP 3/8"	-	60	In stock	Enquiry
MW-2151003	Adaptor A4/Z, GW BSP 1/4" / GZ BSP 3/8"	-	60	In stock	Enquiry
MW-2151004	Adaptor A4/Z, GW BSP 1/4" / GZ BSP 1/2"	-	60	In stock	Enquiry
MW-2151005	Adaptor A4/Z, GW BSP 3/8" / GZ BSP 1/2"	-	60	In stock	Enquiry

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Adapter with external and internal BSP thread type A4/Z, intended for connecting pneumatic components (including hoses) together. The tightness of the connection usually requires the use of additional seals. In the case of a tapered thread, Teflon tape or sealant is used; for a cylindrical thread, aluminum or copper washers are required. Material: nickel-plated brass. Working pressure: 60 bar.