PVC 45° Elbow joins two pieces of the same size pressure pipe at an angle of 45°. Use to re-direct the pipeline and to assist in turning corners. The new 150mm size fitting is now available. Watermark Certificate of Conformity As of 2nd February 2011 HOLMAN Industries are proud to be Watermark Certified - Level 1 - Evaluated to AS/NZS 1477 PVC Pipes and fittings for pressure applications - 2006.