Specification Model: qty-08qty-15 qty-15f-4kgqty-15f-10kg qty-20qty-20f-10kgqty-25qty-25f-10kg Operating fluid:air orlpg Joint pipe bore:g1/4g1/2 g3/4g1 Range of adjustable pressure0.05-1.0mpaor0.05-0.4mpa Max.Adjustable pressure : 1.0mpaor0.4mpa Operating temperature range : 5~80