日本精器调压阀BN-5CP21-40-E-100BN-5CP21-25-F-24BN-5CP21-25-E-200BN-5CP21-25-E-100BN-5BP21-40-H-24BN-5BP21-40-G-200BN-5BP21-40-G-100BN-5BP21-40-F-24BN-5BP21-40-E-200BN-5BP21-40-E-100BN-5BP21-25-H-24BN-5BP21-25-G-200BN-5BP21-25-G-100BN-5BP21-25-F-24BN-5BP21-25-E-200BN-5BP21-25-E-100BN-5BP21-20-H-24BN-5BP21-20-G-200压力开关：BN-1213-10A，BN-1218-10A，BN-1252-10A，BN-1254-10A流量开关：BN-1311-20A，BN-1311-25A，BN-1311-40A，BN-1321-10A，BN-1321-L-10A电磁阀BN-7M43-15-220VBN-7M43-15-F-24)