Ko nga marere taki kōpae topa-rua he marere taki piu-kopae kotahi me te hononga-topenga-rua. He tino angiangi katoa nga taki taki hei aukati i te rere o te wa waenga i roto i te paipa. Ko nga riipene tirotiro kōpae-rua o H74X me H74H he painga o te hanganga ngawari, te ahua ataahua, te taumaha ngawari me te whakaurunga ngawari. Ko te nuinga e tika ana mo te punaha wai, hinu, matū, whakarewa me etahi atu waahanga ahumahi. He tino pai mo nga waahi he iti te waahi whakauru. H74 raupapa taki rua topa kōpae taki vaolo he mea hoahoa ki te hononga topenga-rua, na roto i te kotahi-kōpae piu momo vaolo aunoa, me te kowiri tira Stelli mata taea te whakamahi mo te mata hiri o te tinana takirere me te kōpae.
Raraunga hangarau
| PN(MPa) Te pehanga ingoa | 1.0 | 1.6 | 2.5 | 4.0 |
| (MPa) Te pehanga whakamatautau anga | 1.5 | 2.4 | 3.75 | 6.0 |
| (MPa) Te pehanga whakamatautau hiri | 1.1 | 1.76 | 2.75 | 4.4 |
| °C Te pāmahana pai |
| |||
| Waenga pai | Te hinu, te wai, te waikawa me te wai alkali | |||
Meterial o nga waahanga matua
| Ingoa wahi | Te tinana takirere, kōpae takirere | mowhiti nohoanga |
| Rauemi | Te rino kaera, te kowiri tira, te parahi | NBR,EPDM,PTFE |
Ahu Matua
| DN(mm) | d | L | D | ||||
| I | II | PN1.0MPa | PN1.6MPa | PN2.5MPa | PN4.0MPa | ||
| 50 | 25 | 15 | 22 | 109 | 109 | 109 | 109 |
| 65 | 38 | 15 | 22 | 129 | 129 | 129 | 129 |
| 80 | 46 | 15 | 22 | 144 | 144 | 144 | 144 |
| 100 | 72 | 15 | 24 | 164 | 164 | 170 | 170 |
| 125 | 95 | 16 | 26 | 194 | 194 | 186 | 186 |
| 150 | 114 | 19 | 29 | 221 | 221 | 226 | 226 |
| 200 | 140 | 29 | 43 | 275 | 275 | 286 | 293 |
| 250 | 188 | 29 | 43 | 330 | 331 | 343 | 355 |
| 300 | 216 | 38 | 50 | 380 | 386 | 403 | 420 |
| 350 | 263 | 41 | 52 | 440 | 446 | 460 | 477 |
| 400 | 305 | 51 | 62 | 491 | 498 | 517 | 549 |
| 450 | 356 | 51 | 62 | 541 | 558 | 567 | 574 |
| 500 | 406 | 65 | 80 | 596 | 620 | 627 | 631 |
| 600 | 482 | 70 | 90 | 698 | 737 | 734 | 750 |
