90° elbow gear pump flanges with BSPP thread types WP-3-LK-G (steel, with 3 tapped holes), WP-LK-G (steel, with 4 tapped holes), WP-3-LK-G-W50 (aluminum, with 3 tapped holes), WP-LK-G-W50 (aluminum, with 4 tapped holes). Hole diameter from 26 to 56 mm. For maximum operating pressures up to 300 bar. As a complete set with bolts, lock washers and O-ring.