... .35MPA 4. Nominal flow :5/7.5 Fire hose nozzle, Firefighting, fire nozzle,nozzel,firefighting lance,fire safetyQZ3.5/5, QZ3.5/7.5 fire-fighting straight-through ... (Mpa)Flow(L/min)JettingRangeRatingRangeTestingValueAllowableVariationStraight-throughLanceQZ3.5/550160.350.20-0.70300±24more than 25QZ3.5/7.56519450±36more than 28 Straight Fire ...