Haihao Group Supplies ASME B16.48 A240-321 Spacer Rings to a Client in Dubai
Haihao Group has completed the production and shipment of A240-321 stainless steel spacer rings for a valued customer in Dubai. These components, designed and manufactured in accordance with ASME B16.48, are precision-machined to meet a 125 AARH maximum surface finish and supplied in pressure rating 600#.
Spacer rings-also known as spacer adapters-are essential components used in pipeline isolation, flange alignment, and temporary spool installations. The customer required multiple sizes for offshore and industrial service conditions, all produced to match Drawing YH-ST-D15.

A240 321 stainless steel spacer rings manufactured by Haihao Group according to ASME B16.48 for Dubai customer
Product Details Shipped to Dubai
1. A240-321 Spacer Ring – Size 0.5″
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Pressure Rating: 600#
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Material: Stainless Steel A240-321
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Standard: ASME B16.48
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Finish: 125 AARH Max, Raised Face (RF)
2. A240-321 Spacer Ring – Size 0.75″
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Pressure Rating: 600#
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Material: A240-321
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Standard: ASME B16.48
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Finish: 125 AARH Max RF
3. A240-321 Spacer Ring – Size 1″
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Pressure Rating: 600#
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Material: A240-321
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Standard: ASME B16.48
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Finish: 125 AARH Max RF
Manufactured for Precision and Reliability
All spacer rings in this order were processed using CNC machining to maintain strict tolerances for thickness, sealing surface, and gasket compatibility.
Key features include:
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Corrosion-resistant A240-321 stainless steel suitable for high-temperature service
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Raised Face (RF) configuration, compliant with ASME B16.48
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Smooth sealing surface: ≤125 AARH, ensuring proper gasket seating
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Uniform thickness to maintain flange separation accuracy
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Full material traceability & quality inspection before shipment
These characteristics make Haihao’s spacer rings suitable for refineries, offshore structures, petrochemical installations, and power generation facilities.
Haihao Group-Trusted Supplier for Global Flange Accessories
With years of expertise in producing flanges, spacer rings, blind plates, and precision-machined flange accessories, Haihao Group continues to support clients worldwide with dependable products and fast delivery.
Our engineering and QA teams ensure every component meets international standards and project specifications.
For additional technical support or inquiries about custom spacer rings, feel free to contact our team.
