针对含湿硫化氢(H2S)的酸性工况,SMD Flow Control 严格执行冶金热处理与100%显微硬度检测,确保所有过流金属承压件及螺栓严格控制在 NACE MR0175 / ISO 15156 规定的硬度限值内(如碳钢与低合金钢 <=22 HRC),从源头杜绝硫化物应力腐蚀开裂(SSC)及氢致开裂(HIC)。
| Table description | |||
|---|---|---|---|
| Defaults applied to standard product pages. Project-specific deviations are accepted and confirmed during the RFQ exchange; the figures below are not contractual. | |||
| Parameter | Value | Unit | Standard |
| MOQ (standard catalogue items) | 1 piece for stocked valves; 5–10 pieces for build-to-order | pieces | Internal policy |
| Lead time (build-to-order) | 30 – 75 working days depending on size, material, certification scope | working days | Project schedule |
| Loading port | Ningbo or Shanghai, China (FOB / CIF / DAP per Incoterms 2020) | — | Incoterms 2020 |
| Customisation scope | Bore, end connection, material, trim, actuation, painting, marking, packaging | 7 axes | OEM/ODM policy |
| Inspection & MTC | EN 10204 3.1 standard; 3.2 available via third-party inspector (BV, SGS, TÜV, DNV) | — | EN 10204 |
| Payment terms | T/T 30/70 standard; L/C at sight for new buyers; OA after credit review | — | Internal credit policy |
