1" SIZE MODEL 1078 PILOT OPERATED VACU-GARD VERTICAL OUTLET POSITION, INTEGRAL DIP-TUBE; 316 / 316L SST DUAL MARKED BODY WITH 316 SST TRIM, CARBON STEEL DIAPHRAGM CASES, WITH SST FITTINGS AND SST TUBING STANDARD STEEL GAUGES WHEN REQUIRED; NO GAUGES; INTEGRAL 1" 150# RF FLANGES; 10% FLOW PLUG; FLUOROCARBON ELASTOMER (FKM) SOFT SEATS & SEALS; 0.5" - 5.0" WC RANGE SPRING; ALUMINUM/ZINC EXTERNAL PILOT FILTER WITH PURGE; REV LEVEL B;