ブラックバンドカップリング

BLACK  band coupling, also known as black cast iron pipe fittings, are a type of plumbing pipe fittings, used to connect two externally threaded pipes or fittings with the same nominal diameter; it is a commonly used fitting in industrial pipe connections. A short piece of pipe used to connect two pipes, also called an outer joint. Materials are: carbon steel, stainless steel, alloy steel, etc.; connection methods are: threaded connection, welding. One: According to its manufacturing process, it can be divided into forging and casting. Forging refers to the heating and forging of steel ingots or round bars, and then processing the threads on a lathe. Casting refers to the melting of steel ingots and pouring them into a fixed pipe model, and then cooling them. Two: According to the connection type, it can be divided into two types: thread and socket welding. Three: Its main manufacturing standards generally include GB/T14383, ASME B16.11, BS 3799.

よくある質問：

どんなインチの糸に分けられますか？

(1) Ordinary thread: the tooth shape is triangular, which is used to connect or fasten parts. Ordinary threads are divided into coarse and fine threads according to the pitch, and the connection strength of fine threads is higher.

(2) Transmission thread: the tooth shape is trapezoidal, rectangular, saw-shaped and triangular. Can transmit axial power.

（3）シールねじ：主にパイプねじ、テーパーねじ、テーパーパイプねじのシール接続に使用されます。

Kanef Group（Shanxi）Piping System Co.、Ltd.は、1997年に設立されました。これは、高品質で費用対効果の高い配管システムアクセサリの製造と供給を使命とする工業鋳造企業です。 同社の年間生産量は50、000トンで、金型、鋳造、熱処理、溶融亜鉛めっき、加工、組み立てなどの完全な-プロセス生産能力を備えています。 給排水システム、防火システム、天然ガスシステム、冷暖房システム、機械設備、その他のシステム向けの製品、サービス、ソリューションを提供します。

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