Australian Pipeline Valve - Installation, Operation and Maintenance Manual 28 API6D THROUGH CONDUIT EXPANDING GATE VALVE - AP400-405 SERIES Specifications Basic Design: API6D ASME B16.34 Face to Face: API6D End Flange: 2”-24” ASME B16.5 B.W. End: ASME B16.25 Test and Inspection: API6D & API 598 Manufacturing to NACE MR0175 on request 150LB ≥ 20” 300LB ≥ 16” 600LB ≥ 12” 900LB ≥ 10” 1500LB ≥ 8” 2500LB ≥ 4” Gear Operator: W (RF) (Close) H L d W Bypass Option L1 L2 (BW) (RTJ)