| Boholo le Tekanyetso ea Khatello le Maemo a Tloaelehileng | |
| Boholo | DN40-DN2000 |
| Tekanyetso ea Khatello | DN50-100 PN16 DN150-200 PN10 DN250-400 PN7 DN450-600 PN5 DN650-750 PN4 DN800-900 PN3 DN1000 PN2 |
| Tekanyetso ea Moralo | JB/T8691-2013 |
| Tekanyetso ea Flange | Chate ea GB/T15188.2-946-7 |
| Tekanyetso ea Teko | GB/T13927-2008 |
| Thepa | |
| 'Mele | Tšepe e qhibilihisitsoeng; WCB; CF8; CF8M; 2205; 2507 |
| Disiki | SS304; SS316; 2205; 2507; 1.4529 |
| Kutu/Mokoti | SS410/420/416; SS431; SS304; Monel |
| Setulo | Tšepe e sa Khaotseng + STL EPDM (120°C) /Viton(200°C)/PTFE(200°C) /NBR(90°C) |
| Ho betla | PTFE, Boronse |
| Lesale la O | NBR, EPDM, FKM |
| Sesebelisoa sa ho Sebetsa | Lebokose la Gear, Sesebelisi sa Motlakase, Sesebelisi sa Pneumatic |
Li-valve tsa heke ea thipa li sebelisoa haholo-holo ho etseng pampiri, faeba ea lik'hemik'hale, petrochemical, metallurgy, seretse, motlakase, kalafo ea likhoerekhoere. Maemong a meriana le a mang a mosebetsi, valve ea heke ea thipa e entsoe haholo-holo ka 'mele oa valve le heke. Thepa ea 'mele oa valve ke tšepe e ductile, tšepe ea carbon le tšepe e sa hloekang, 'me bokaholimo ba ho koala bo entsoe ka rabara ea tlhaho e sa tsofaleng, rabara ea fluorine, rabara ea nitrile, le rabara ea EPDM. 'Me ho koala tšepe, ho ea ka pono ea sebopeho, valve ea heke ea thipa e na le moralo o monyane, e nka sebaka se senyenyane, 'me e ka tšehetsa matla a phaephe ka katleho.
Ho na le likarolo tse 3 tse ka tlase:
1. Karolo e ka tlase ea heke ke lehare le bohale le bōpehileng joaloka U, le ka hohlang sekhomaretsi holim'a sekoahelo le ho khaola mokelikeli ka potlako.
2. Bokaholimo ba heke bo sitsitsoe hantle mme bo bentšitsoe, e leng se seng feela se nang le phello e betere ea ho koala, empa hape se sireletsa bophelo ba tšebeletso ea setulo sa ho paka le sa valve ka katleho. 3. Boloko ba tataiso 'meleng oa valve bo etsa hore heke e tsamaee ka nepo, 'me boloko ba extrusion bo netefatsa ho koaloa ha heke ka katleho.
Valve ea ZFA e phethahatsa maemo a API598 ka tieo, re etsa liteko tsa khatello ea lehlakore ka bobeli bakeng sa valve eohle 100%, re netefatsa hore re fa bareki ba rona li-valve tsa boleng ba 100%.
'Mele oa valve o amohela thepa e tloaelehileng ea GB, ho na le ts'ebetso e felletseng ea 15 ho tloha ho tšepe ho ea ho' mele oa valve.
Tlhahlobo ea boleng ho tloha sekoting ho ea sehlahisoa se felileng e tiisitsoe ka 100%.
ZFA Valve e tsepamisitse maikutlo tlhahisong ea li-valve ka lilemo tse 17, ka sehlopha sa tlhahiso sa litsebi, re ka thusa bareki ba rona ho boloka lipheo tsa hau ka boleng ba rona bo tsitsitseng.