45度彎頭長度,彎曲半徑乘以tan22.5(即彎頭度數的壹半),結果就是彎頭長度。如果彎曲半徑等於150,則其高度為150× 0.707 = 106.07。
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彎頭在管道系統中,彎頭是改變管道方向的管件。按角度分,最常用的有三種:45°和90° 180,根據工程需要還包括其他非正常角度的彎頭,如60°。彎頭由鑄鐵、不銹鋼、合金鋼、可鍛鑄鐵、碳鋼、有色金屬和塑料制成。
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與管道連接的方式有:直接焊接(最常用的方式)法蘭連接、熱熔連接、電熔連接、螺紋連接和承插連接。按制作工藝可分為:焊接彎頭、沖壓彎頭、推擠彎頭、鑄造彎頭等。其他名稱:90度彎、直角彎、愛情彎等。