大小头（异径管）

GB/T 9711SY/T 5037API 5LASTM A53/A106GB/T 3091

Concentric and eccentric butt-welded reducers for pipe size transitions, carbon steel, produced to GB/T 12459 and ASME B16.9.

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产品介绍

Concentric and eccentric butt-welded reducers for pipe size transitions, carbon steel, produced to GB/T 12459 and ASME B16.9.

Elbows, tees, flanges, reducers, valves and expansion joints in one supply

Matched material and standard with the connected pipes

Butt welding, threaded and flanged connections available

Pressure ratings from PN10 to PN40 and class ratings on request

Dimensional check for every fitting before packing

Short lead time for common sizes from stock

Pipeline branches & transitionsFlow direction changePump stationsPressure reductionThermal compensationEquipment connections

钢带打捆、管端加护帽，可集装箱或散货装运；防腐管、保温管按设计包装。随货提供全套出口单证：商业发票、装箱单、提单、质保书。

Do fittings match the pipe standards?

Yes. Material, wall thickness and ends are matched with the connected pipes, whether to GB, API 5L or ASTM systems.

Which connections are available?

Butt welding ends for main lines, flanged ends for valves and equipment, threaded ends for small bore utility lines.

Can you supply special or non-standard fittings?

Yes. Send drawings or sketches and we quote for customised tees, crosses, reducers and special pieces.

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