台湾Twoway压力继电器，Twoway压力开关，油电压力开关，一般隔膜式，压力直读式：
DNL-200K-21B，DNL-280K-21B，DNL-400K-21B
DNP-02K-21B，DNP-08K-21B，DNP-20K-21B，DNP-02K-06I，DNP-08K-06I，DNP-20K-06I
DNB-040K-22B，DNB-070K-22B，DNB-150K-22B，DNB-250K-22B，DNB-040K-06I，DNB-070K-06I，DNB-150K-06I，DNB-250K-06I，DNA-030K-22B，DNA-040K-22B，DNA-070K-22B，DNA-100K-22B，DNA-150K-22B，DNA-250K-22B，DNA-360K-22B，DNA-030K-06I，DNA-040K-06I，DNA-070K-06I，DNA-100K-06I，DNA-150K-06I，DNA-250K-06I，DNA-360K-06I，DNC-040K-22B，DNC-070K-22B，DNC-100K-22B，DNC-150K-22B，DNC-250K-22B，DNC-360K-22B，DNC-040K-06I，DNC-070K-06I，DNC-100K-06I，DNC-150K-06I，DNC-250K-06I，DNC-360K-06I，DNF-040K-22B，DNF-070K-22B，DNF-100K-22B，DNF-150K-22B，DNF-250K-22B，DNF-360K-22B，DNF-040K-06I，DNF-070K-06I，DNF-100K-06I，DNF-150K-06I，DNF-250K-06I，DNF-360K-06I，PSA-050K-21B，PSA-100K-21B，PSA-280K-21B，PSA-400K-21B，PSA-050K-06i，PSA-100K-06i，PSA-280K-06i，PSA-400K-06i
PSB-040K-21B，PSB-070K-21B，PSB-150K-21B，PSB-250K-21B，PSL-050K-21B，PSL-100K-21B，PSL-200K-21B，PSL-280K-21B，PSL-400K-21B，PYC-210K-21B，DNB-2P40