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I-Stainless Steel Check Valve Seat licandelo lokutywina elichanekileyo elibonelela ngomgangatho obalulekileyo wokudibanisa kwi-disc ye-valve yokutshekisha okanye ibhola, ukuqinisekisa ukuvala okulungileyo kunye nokukhusela umva kwiinkqubo zemibhobho. Isihlalo sevalve kufuneka sixhathise ukukhukuliseka, ukubola, umonakalo we-cavitation, kunye ne-galling ngelixa ugcina uzinzo lwe-dimensional phantsi koxinzelelo kunye nokutshintsha kweqondo lokushisa. Ukugqitywa komphezulu kumdibaniso wokutywina kuchaphazela ngokuthe ngqo ukuvuza kokuqina kunye nobomi bomjikelo wevalvu.
I-Ningbo Ruican yenza izihlalo zevalvu yokukhangela intsimbi engenastainless isebenzisa inkqubo yotyalo-mali ye-silica sol, ivelisa izihlalo ezinomgangatho ophezulu womphezulu, ubukhulu bodonga olungaguqukiyo, kunye neeprofayili ezintsonkothileyo zangaphakathi. Indlela yokuphosa utyalo-mali ifaneleke ngokukodwa kwi-alloys enganyangekiyo kwi-corrosion efana ne-CF8M (316 stainless), CF3M (316L stainless), kunye ne-duplex amabakala angenasici, ekunzima ukuwenza umatshini ukusuka kwisitokhwe sebha eqinileyo kunye nokuthanda ukusebenza nzima.
Emva kokuphoswa, isitulo ngasinye sevalve sichanekile senziwe ngoomatshini be-CNC kwaye sinxitywe ukuze sifezekise ukutywinwa komphezulu othe tyaba kunye noburhabaxa bomphezulu. Ikhono lethu lokunxiba langaphakathi lifezekisa ukutywinwa komphezulu womphezulu ukuya ngaphakathi kweebhanti ezi-2 zokukhanya (0.0005 mm), ukuqinisekisa ukuvalwa kwe-bubble-tight nge-API 598 kunye nemigangatho yovavanyo ye-MSS-SP-61. Sisebenzela abavelisi bevalvu, iikontraki ze-EPC zemibhobho, kunye nababoneleli benkqubo yolwelo lwamashishini kwihlabathi liphela.
| Parameter | Specification |
|---|---|
| Material Grade | CF8M (ASTM A351, equivalent to 316 SS) / CF3M (316L SS) / CD4MCu (Duplex) |
| Casting Process | Silica sol investment casting (lost wax) |
| Casting Tolerance | ISO 8062 CT4-CT6 (as-cast); machined to IT6 |
| Weight Range | 0.2–5 kg per unit |
| Surface Finish | Ra 1.6 μm (as-cast); Ra 0.2 μm (sealing surface, lapped) |
| Solution Annealing | 1040–1100°C, water quench |
| Non-Destructive Testing | Liquid penetrant inspection (PT) per ASTM E165 |
| Tensile Strength | ≥ 485 MPa (CF8M) |
| Yield Strength | ≥ 205 MPa (CF8M) |
| Elongation | ≥ 30% (CF8M) |
| Hardness | ≤ 187 HBW (CF8M) |
| Corrosion Resistance | Pass ASTM A262 Practice A (intergranular corrosion test) |
| Machining Feature | Specification |
|---|---|
| Sealing Surface Diameter | Custom per drawing (typ. Ø25–Ø300 mm) |
| Sealing Surface Flatness | 2 light bands (0.0005 mm) — lapped |
| Sealing Surface Roughness | Ra 0.2 μm (lapped) |
| Outer Diameter Tolerance | h7 (machined) |
| Inner Bore Tolerance | H8 (machined) |
| Concentricity (OD to ID) | Ø0.02 mm |
| Surface Treatment | Passivation per ASTM A967 |
Ngaba ujonge izihlalo zevalvu ezichanekileyo ezitywina ngokugqibeleleyo lonke ixesha? I-Ningbo Ruican ibonelela ngezihlalo zevalvu yentsimbi egqwethiweyo kunye neendawo zokutywina. Thumela imizobo yakho okanye iisampulu esele zikhona kwikowuteshini ekhuphisanayo.
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Ingxelo yabucala: Ubumfihlo bakho bubaluleke kakhulu kuthi. Inkampani yethu ithembisa ukungazivezi iinkcukacha zakho kuye nakuphi na iimvume zakho.
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Ingxelo yabucala: Ubumfihlo bakho bubaluleke kakhulu kuthi. Inkampani yethu ithembisa ukungazivezi iinkcukacha zakho kuye nakuphi na iimvume zakho.
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