化工配件 A9型雙排螺栓管夾 HG/T21629-1999 延信管夾

化工管道管架第二冊標準hg/t21629-1999:a1到a40和b1-b29系列產品：

a1u形螺栓,a2u形螺栓（帶角鋼）,a3導向管卡,a4緊固管卡,a5基準型雙螺栓管夾,a6重型雙螺栓管夾,a7三螺栓管夾（保溫管用）,a8三螺栓管夾（支托用）,a9雙排螺栓管夾, a10四螺栓管夾,a11雙排螺栓壓緊管卡, a12管卡（保冷管用）,a13雙螺栓管卡（保冷管用）,a14四螺栓管卡（保冷管用）,a15雙頭螺紋吊桿,a16吊環型吊桿,a17松緊螺母,a18角形吊耳,a19u形吊耳,a20倒u形吊耳（焊接型）,a21倒u形吊耳（吊桿型）,a22板式吊耳,a23墊板,a24支腿加強板,a25連接板. a26i型滾輪、a27ii型滾輪、a28iii型滾輪，a29滾輪軸座，a30滾動軸，a31ⅠⅡ型滾輪吊架，a34iii型滾輪支架，a35iii型滾輪支架軸，a36Ⅱ型滾輪擱置架，a37iii型滾輪擱置架，a38松緊螺母，a39扁鋼吊耳，a40專用導向夾