| Kalite peman: | L/C,T/T,Paypal |
| Incoterm: | FOB,CFR,EXW |
| Min. Lòd: | 100 Piece/Pieces |
| Transpòtasyon: | Ocean,Land,Air |
| Port: | Ningbo,Shanghai |
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Brand: Okenn
Origin: Ningbo
| Vann Inite | : | Piece/Pieces |
| Kalite pake | : | katon/palèt |
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Syèj Valv Tcheke Nerjaveèi a se yon eleman sele ak presizyon ki bay sifas kwazman kritik pou disk valv chèk la oswa boul, asire fèmen pozitif ak anpeche rflu nan sistèm tiyo. Syèj valv la dwe reziste ewozyon, korozyon, domaj kavitasyon, ak grip pandan y ap kenbe estabilite dimansyon anba presyon ak fluctuations tanperati. Fini andigman sou koòdone sele a dirèkteman enpak sou koule-sere ak lavi sik valv.
Ningbo Ruican fabrike chèz tiyo chèk asye pur lè l sèvi avèk pwosesis la Distribisyon envestisman silica Sol, pwodwi chèz ak bon jan kalite sifas ekselan, epesè miray ki konsistan, ak pwofil entèn konplèks. Metòd Distribisyon envestisman an se patikilyèman adapte pou alyaj ki reziste korozyon tankou CF8M (316 Nerjaveèi), CF3M (316L Nerjaveèi), ak klas pur duplex, ki difisil pou machin soti nan stock ba solid ak ki gen tandans travay di.
Apre Distribisyon, chak chèz valv se CNC presizyon machin ak lapped pou reyalize planite sifas sele ki nesesè yo ak brutality sifas yo. Kapasite lap nan kay nou an reyalize sifas poze sele nan 2 bann limyè (0.0005 mm), asire fèmen ti wonn-sere pa estanda tès API 598 ak MSS-SP-61. Nou sèvi manifaktirè tiyo, kontraktè EPC tiyo, ak founisè sistèm likid endistriyèl atravè lemond.
| 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 |
Kap chèche chèz valv presizyon ki sele parfe chak fwa? Ningbo Ruican bay repòtaj envèstisman-jete chèz valv asye pur ak sifas poze sele. Voye desen ou oswa echantiyon ki egziste deja pou yon sitasyon konpetitif.
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Deklarasyon sou vi prive: Konfidansyalite ou trè enpòtan pou nou. Konpayi nou an pwomèt pou nou pa divilge enfòmasyon pèsonèl ou nan nenpòt ki EXPANY ak soti otorizasyon eksplisit ou.
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