Malone Specialty Inc. offers Carbon Steel Female British Parallel Swivel Caps, as well as 316 Stainless Steel, Female British Parallel Swivel Caps. These Swivel Caps comply with BS 5200, and the ISO 228-1 specifications. This item features a 60° ball seat for sealing purposes. For more information see below, or contact one of our experienced salesmen at (440) 255-4200.