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Machined forged blind flange production photo
3 팔월 2026

정유소 용도로 완성된 맞춤형 ASME B16.5 F11 블라인드 플랜지

프로젝트 뉴스Published: 3 팔월 2026SASA FLANGE Project Team
Project completed

A refinery project order for ASTM A182 F11 blind flanges has been completed. The standard ASME B16.5 envelope was combined with project-specific machining, 깃 달기, marking and documentation requirements without representing modified features as standard catalogue details.

Project snapshot

Project status Completed
재료 ASTM A182 F11 forged alloy steel
플랜지형 Blind flange, 제기된 얼굴
기준 ASME B16.5 dimensional basis
압력 등급 수업 300 및 클래스 600
크기 범위 NPS 2–16
점검 PMI, 경도, 치수, facing and marking
Application Refinery isolation points and equipment connections

Delivery highlights

Project-specific details were controlled by the approved drawing revision.
Raised faces were inspected before protective covers were installed.
Material certificates and physical markings remained linked by heat number.

Standard dimensions with controlled project features

ASME B16.5 defined the applicable size, 수업, drilling and principal flange dimensions. The purchase order added controlled surface finish, marking and selected machining details required by the refinery specification. These additions were checked against the approved drawing so that a project modification did not become an undocumented deviation.

Because blind flanges close a piping end or equipment nozzle, 두께, bolt-hole alignment and gasket-facing condition were central to the dimensional inspection plan.

Inspection and refinery release documentation

PMI supported F11 material identity, while hardness and material records supported the ordered condition. Final inspection verified thickness, 외경, 볼트 서클, hole size, face finish, marking and visual condition. Any preservation coating was kept away from the gasket contact area.

The completed release package connected the flange marking to the material certificate, inspection results and packing list for site receipt.

Information needed for a comparable RFQ

A comparable inquiry should identify the exact material specification and grade, 관리 표준 및 에디션, NPS, 압력 등급, 플랜지형, 깃 달기, 보어 또는 일치하는 파이프 일정, quantity and destination. For this project-news scope, the key reference points were ASTM A182 F11 forged alloy steel, Blind flange, 제기된 얼굴, 수업 300 및 클래스 600 그리고 NPS 2–16.

State the required EN 10204 certificate type, 열수 추적성, PMI extent, 경도 한계, 치수 보고서, NDE method and acceptance standard, third-party witness points, packing method and required delivery date at quotation stage. Early definition allows manufacturing, inspection and document schedules to be reviewed together.

생산, inspection and packing photos

Images show the relevant SASA FLANGE production, quality-control and shipment stages used for this project-news report.

Finished blind flange after face machining
Blind flange geometry prepared for final inspection.
Inspector checking finished component dimensions
Dimensional verification before project release.
Industrial flanges protected for shipment
Packed flanges with transport protection.
ASTM A182 F11 vs F22 vs F91 플랜지 ASME B16.5 Alloy Steel Flange Dimensions and Pressure Classes How to Read ASTM A182 Flange Markings

자주 묻는 질문

Can a modified flange still be called ASME B16.5 compliant?

Only if every applicable requirement remains satisfied. Project-specific deviations should be identified against the drawing and reviewed by the responsible engineer.

Why use F11 for refinery blind flanges?

F11 may be selected within approved chrome-moly material classes for elevated-temperature process service. Suitability depends on the complete design basis.

Which dimensions matter most on a blind flange?

두께, 외경, 볼트 서클, hole size, facing geometry and surface finish are typical controlled features.

Request a quotation for alloy steel flanges

Send the ASTM grade, 스탠다드와 에디션, NPS, 압력 등급, 플랜지형, 깃 달기, 보어 또는 파이프 일정, 수량, delivery destination and required PMI, 임사체험, 경도, third-party inspection and documentation.

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