Taupānga:
1. He pai mo te whakahaere tonu i roto i te punaha whakamahana rohe me te punaha hvac.
2. Ka taea te whakauru ki a Siemens SAX, SKD, SKB, SKC executor raupapa.
Ngā āhuatanga hua:
1. Te maka tika i te WCB
2. Ka tangohia e te tinana takirere te momo toenga pehanga, e whakapumau ana i te kaha whakawātea teitei i raro i te pehanga iti, me te kaha kore whakawhiti i raro i te rereketanga pehanga teitei
3. Ko te 1000kpa te nui o te pehanga rereke e whakaaetia ana
4. Ka whakamahia e te hiri kakau he tukanga hiri motuhake.
5. Ko te nohonga huinga whakarewa katoa ka whakanui i te uara o te ora o te takirere.
6. Ka tutuki te hua ki te paerewa hononga flange GB/T17213-2015