| 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 Chopangidwa ndi Ductile, WCB |
| Disiki | Chitsulo Chopangidwa ndi Ductile, WCB |
| Tsinde/Kutsinde | SS416, SS431 |
| Mpando | NBR, EPDM |
| Kudula | PTFE, Mkuwa |
| Mphete ya O | NBR, EPDM, FKM |
| Woyambitsa | Chigoba cha Dzanja, Bokosi la Magiya, Chowunikira Magetsi, Chowunikira cha Pneumatic |
1. Kapangidwe ka theka la shaft kawiri: Njira yotsegulira ndi kutseka valavu ndi yokhazikika, imachepetsa kukana kwa madzi ndikuwongolera kulondola kwa kayendedwe ka madzi.
2. Mpando wa valavu wopangidwa ndi Vulcanized: Wopangidwa ndi zinthu zapadera zopangidwa ndi vulcanized, uli ndi mphamvu yabwino yotha kusweka komanso magwiridwe antchito otseka, zomwe zimapangitsa kuti valavuyo igwire ntchito bwino kwa nthawi yayitali.
3. Kulumikiza kwa Flange: Kulumikiza kwa flange wamba kumagwiritsidwa ntchito kuti kulumikizane ndi zida zina kukhale kosavuta ndipo kumagwiritsidwa ntchito m'njira zosiyanasiyana.
4. Ma actuator osiyanasiyana: ma actuator amagetsi, koma ma actuator ena amathanso kusankhidwa malinga ndi zosowa za ogwiritsa ntchito kuti akwaniritse zosowa zosiyanasiyana zogwirira ntchito, monga zida za nyongolotsi, pneumatic, ndi zina zotero.
5. Kuchuluka kwa ntchito: imagwiritsidwa ntchito kwambiri powongolera kuyenda kwa mapaipi mu mafuta, makampani opanga mankhwala, zitsulo, kuyeretsa madzi ndi madera ena.
6. Kutseka bwino: Pamene valavu yatsekedwa, imatha kuonetsetsa kuti yatsekedwa bwino ndikuletsa kutuluka kwa madzi.
7. Kukonza kosavuta: Kapangidwe kosavuta, kosavuta kusamalira ndi kukonza, kuchepetsa ndalama zogwirira ntchito.