标称接口螺纹（英寸）***小流量（L/H）额定流量（L/H）***大流量（L/H）压力范围（Bar）B-PPPRO-2G1/420601202-22B-PPPRO-4G1/420601205-45B-P-PRO-2G3/8451603002-22B-P-PRO-4G3/8451603005-45B-G-PRO-2G3/8903006002-22B-G-PRO-4G3/8903006005-45B-GH-PRO-4G3/4300100020005-45B-GH-PRO-2G3/4300100020002-22)