| Kukula & Kupanikizika & Standard | |
| Kukula | DN40-DN1800 |
| Kuyeza kwa Kupanikizika | Kalasi 125B, Kalasi 150B, Kalasi 250B |
| Matenda opatsirana pogonana pamaso ndi maso | AWWA C504 |
| Kulumikizana kwa STD | ANSI/AWWA A21.11/C111 Flanged ANSI Class 125 |
| Upper Flange STD | ISO 5211 |
| Zinthu Zofunika | |
| Thupi | Chitsulo cha kaboni, Chitsulo chosapanga dzimbiri |
| Disiki | Chitsulo cha Carbon, Chitsulo chosapanga dzimbiri |
| Tsinde/Kutsinde | SS416, SS431,SS |
| Mpando | Chitsulo chosapanga dzimbiri chopangidwa ndi kuwotcherera |
| Kudula | PTFE, Mkuwa |
| Mphete ya O | NBR, EPDM |
| Woyambitsa | Chigoba cha Dzanja, Bokosi la Magiya, Chowunikira Magetsi, Chowunikira cha Pneumatic |
Valavu ya gulugufe ya wafer yogwira ntchito bwino kwambiri ndi valavu yamafakitale yowongolera kayendedwe ka madzi molondola.
1. Kapangidwe ka thupi la valavu yamtundu wa Wafer kamachepetsa zosowa za malo ndi nthawi yoyikira.
2. Ma valve a gulugufe a wafer ogwira ntchito kwambiri nthawi zambiri amapangidwa ndi zinthu monga chitsulo chosapanga dzimbiri, chitsulo cha kaboni kapena zinthu zina zosakanikirana ndi dzimbiri kuti zitsimikizire kuti sizingawonongeke komanso kutentha kwambiri.
3. Mpando wa valavu ya valavu ya gulugufe wochita bwino kwambiri ndiye kusiyana kwakukulu ndi valavu ya gulugufe wamba wofanana ndi wawiri.
4. Kutseka mbali zonse ziwiri: Ma valve a gulugufe ogwira ntchito kwambiri amapereka kutseka mbali zonse ziwiri, komwe kumatha kutseka bwino mbali zonse ziwiri.