GOST 12820 Steel Pipe Flanges | Welded/Plate Enquiry
工业采购项目
准备更清晰的 RFQ
请提供以下信息，帮助 RELIA 理解零件要求并与您确认下一步。
- 图纸、样品或参考标准
- 材料牌号和首选工艺
- 尺寸、公差和表面处理
- 应用、目标数量和目的地
生产周期、包装和运输条款将在规格与贸易条件确认后按项目确定。
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Surface TreatmentPolishedmodel number4056
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ApplicationIndustrial EquipmentBolt Hole Diameter1/2"
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Bolt Hole Quantity4
This GOST 12820 steel pipe-flange listing uses welded/plate wording for an industrial equipment enquiry. Model4056 and Polished are table references. Establish the actual component being quoted before assigning construction or conformity: the reference images include necked forms and a separate flange with visible internal bore threads.
Resolve welded, plate and actual type choices
Thirty-six catalogue combinations span four materials and nine flange types. Plate appears in the title rather than as a separate selectable type. Choose the actual material/type and agree its attachment; the threaded reference image does not establish that all configurations are welded.
Specify full material designation, grade, condition and traceability. The common half-inch-to120-inch label does not establish continuous size availability. Confirm the individual requested nominal size, measurement convention and supply, and reconcile the title terminology with the selected component drawing.
Define the GOST dimensional and bolting requirements
Identify the GOST 12820 document, edition and applicable size, construction, material and class provisions. No numerical pressure class is recorded. Obtain bore/pipe interface, outside diameter, thickness, hub/neck or plate configuration, attachment details, facing dimensions and tolerances for the actual component.
Allocate the table’s four half-inch bolt-hole entries to the selected drawing. Confirm bolt circle and actual hole count/diameter rather than extending these entries across all variants or photographs. Agree which surfaces are polished and how finish is inspected; no corrosion or hygiene performance follows from that wording.
Agree the complete connection and acceptance evidence
State medium, pressure, temperature, cycling and external loads. Confirm material/sealing compatibility, mating flange, gasket, fasteners and applicable welding or threaded attachment requirements. Agree alignment, installation inspection, material/manufacturing/conformity documents, marking and confirmed individual-size supply before accepting the quotation.
每个产品询价都需要的技术信息
在最终确认产品前先整理需求。
产品页只是起点。在确认库存匹配或定制生产前，我们会评审图纸、样品、接口、材料、数量及验收要求。
结合您的项目场景讨论该产品。
提供现有图纸、样品、参考件、目标数量及应用信息。尚不确定的项目可留待评审。
