
Butt-Weld Neck Flanges
Weld-neck flange family in Jiuyuan’s own flange catalog.
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Hebei Jiuyuan Pipeline Manufacturing Co., Ltd.

Threaded connection flange option from Jiuyuan’s own catalog.
The threaded-flange entry offers a flange connection incorporating a threaded pipe interface. Specify the thread form as well as the nominal size; matching size labels alone do not establish compatibility. Confirm the selected thread, flange facing, class and material with Jiuyuan against the actual mating components and service conditions.
Hebei Jiuyuan Pipeline Manufacturing Co., Ltd. · Cangzhou, Hebei
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Source reviewed: 2026-11-09. This directory summary organises the supplier’s published product information.
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Weld-neck flange family in Jiuyuan’s own flange catalog.
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Bolted flange-closure offering from Jiuyuan.
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Slip-on flange form separately listed in the supplier’s range.
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Socket-weld flange form named in Jiuyuan’s product range.
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Lapped flange offering for a matched flange/end-piece arrangement.
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