... valve series,such as 4H,4R,SH,3R,R5. Our company offers various of hand valve ... series,such as 4H,4R,3R,R5.Our company offers various of hand valve series ... ,such as 4H,4R,SH,3R,R5.The hand pulled valve belongs to manual chang ... 8MPaTempt range0-60LubricatingNo needed*The spec data of R5 series.TypeLink-screwthread Working pressure Ambient TemperatureMedium TemperatureEffective ...