Malone Specialty Inc. offers a Carbon Steel MMale BSPP to Tube 90º with Adjustable Locknut & O-Rings well as a 316 Stainless Steel Male BSPP to Tube 90° Elbows with an adjustable locknut and O-Ring, in various sizes. Our BSPP to Tube Elbows comply with the DIN 3859-1 specifications. These Elbows come complete with a Metric Tube Nut and Tube Sleeve for each side, and uses a bite type connection style for the tube end. The British Parallel end is to be used as a port style connection, and is not suitable as a ball seat style connection.