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| Payment Terms : | L/C,T/T,Western Union |
| Supply Ability : | 50 Metric Ton/Metric Tons per Month |
| Brand Name : | TOBO |
| Model Number : | ASME B16.5 150#-2500# 100% Tested |
| Price : | US $ 10 - 100 / Kilogram |
| Certification : | ISO9001:2015; SGS/BV/ABS/LR/TUV/DNV/API/PED available |
| Delivery Time : | 7-30 days |
Hydrostatic tested forged steel flanges are manufactured for buyers who require comprehensive quality assurance beyond random inspection. Each flange undergoes individual pressure testing before leaving our workshop, with hydro test reports included alongside material certificates for every shipment.
For forged steel flanges deployed in oil, gas, power, and water projects, documented pressure testing often determines approval or rejection at project sites. Our flanges are forged from certified ingots, heat treated, and precision-machined to ASME B16.5 specifications.
The hydrostatic test is conducted at 1.5 times the rated working pressure using water, requiring the flange to maintain pressure without leakage or visible deformation. For enhanced project requirements, we offer additional testing services including ultrasonic, radiographic, magnetic particle testing, or PMI verification. We welcome third-party inspection from SGS, BV, TUV, DNV, or Lloyds at any manufacturing stage.
| Design Standard | ASME B16.5, ASME B16.47, EN 1092-1 |
|---|---|
| Pressure Rating | Class 150 to Class 2500 |
| Size Range | 1/2" to 48" (DN15 to DN1200) |
| Hydrostatic Test | 100% tested at 1.5 x rated pressure |
| Optional NDT | Ultrasonic, radiographic, magnetic particle, dye penetrant, PMI |
| Materials | A105, F304/304L, F316/316L, F11, F22, F51 |
| Certificate | EN 10204 3.1 / 3.2 with heat number traceability |
| Third-Party Inspection | SGS, BV, TUV, DNV, ABS, Lloyds on request |
Our quality system centers around comprehensive test reporting. For each hydrostatic tested forged steel flange, serial number, heat number, material grade, test pressure, and test results are linked in a fully traceable record, referenced on packing lists.
Customers installing our hydrostatic tested forged steel flanges on critical lines receive complete documentation packages including EN 10204 3.1 certificates, NDT reports, and hydro test reports, ensuring straightforward site acceptance even for the most stringent EPC contractors.
Every hydrostatic tested forged steel flange in this range undergoes individual testing. Test pressure, holding time, and results are recorded in test reports referencing the flange's heat number.
We apply hydrostatic test pressure at 1.5 times the rated working pressure of the flange class, following ASME B16.5 standards and project specifications.
Yes. SGS, BV, TUV, DNV, ABS, and Lloyds inspectors regularly visit our workshop. We coordinate inspection dates and points with you and the inspection company.
Yes. Material certificates to EN 10204 3.1 are supplied as standard, with 3.2 certificates witnessed by independent inspectors available for project requirements.
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