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CNC Turned Flange, 316L Stainless, DIN 2633 PN16 DN50

Standard: DIN 2633 (EN 1092-1 Type 11 Form B)Material: 316L stainless (1.4404), forged blankMOQ: 200 pcsLead time: 28 days

Food-grade 316L flange with Ra ≤ 0.8 µm wetted surface, passivated and pickled, with dimensional report and material certificate per lot.

On-site auditedManufacturerBusiness LicenseIATF16949ISO9001PED 2014/68/EUCNC Precision Machining

Specification

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Technical specification for CNC Turned Flange, 316L Stainless, DIN 2633 PN16 DN50
PropertyValue
StandardDIN 2633 (EN 1092-1 Type 11 Form B)
Nominal sizeDN50 (2")
Pressure ratingPN16
Material316L stainless (1.4404), forged blank
Wetted surface roughnessRa ≤ 0.8 µm, internal
Surface finishPickled and passivated to ASTM A380
FacingRaised face, concentric serrated finish (Form B)
NDTDye penetrant on request; PMI on 100% of lots
Food contactEC 1935/2004 and FDA 21 CFR 177.2600 compliant materials
TolerancesBolt circle and thickness within ±0.3 mm, CMM-verified
How the price range is set

FOB Foshan. Price assumes Ra ≤ 0.8 µm internal finish; Ra ≤ 0.4 µm adds approximately 18%.

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Request a quote — CNC Turned Flange, 316L Stainless, DIN 2633 PN16 DN50

Enquiry about CNC Turned Flange, 316L Stainless, DIN 2633 PN16 DN50. Tolerances below ±0.01 mm and unusual geometries are where quotes diverge most, because one supplier prices the part and another prices the part plus the scrap it generates learning to hold it. Give us the critical dimensions and we will tell you which are achievable and which need a process change.

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Projects we have done on comparable parts

All case studies →
Food and beverage processingDairy processor, Italy

Clearing a food plant’s CIP hygiene audit with a surface finish change

Wetted surface roughness, verified per lot
Ra 3.2 µm (previous supply)Ra 0.6 µm average, 0.8 µm maximum
over a 110-day programme

A dairy processor in northern Italy failed a CIP (clean-in-place) hygiene audit because product residue was retained in flange surface irregularities at Ra 3.2 µm, which was the finish its previous supplier quoted as standard.

Foshan Ruixin Precision Casting Co., Ltd.Read the evidence →

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