150lb BSP Stainless Threaded Full Socket Grade 316 This 150lb BSP Stainless Threaded Elbow Grade 316 stainless steel is suitable for use with water, oil, gas and other mediums. Manufactured to ISO 4144, this product comes in sizes 1/8″ to 4" NPT thread and can handle a working pressure of 300psi (20 bar) Summary: BSP Threaded Socket150LB 316