高壓由壬引進國際先進技術，采用高強度合金鋼鍛造而成，嚴格的熱處理確保接頭有勻均一致的金相組織和承壓能力，所使用材料完全符合美國ASTM和AISI標準，產品技術指標完全符合API Spec 6A標準，產品密封可靠裝卸快捷，通用互換性好。產品接頭可用管線螺紋，油管螺蚊，對焊式或無壓密封端部連接。
| 產品型號/特性 | 工作壓力MPa | 通徑 | 聯結形式 | 外密封形式 |
| 內聯結 | 外聯結 |
| GJ3/4" | | 20 | Tr80X10-8H/8h | ZG3/4" | 鋼-鋼球面密封 |
| GJ1" | | 25 | Tr80X10-8H/8h | | 鋼-鋼球面密封 |
| GJ1" | | 20 | Tr52X6-6H/6h | 焊接 | 鋼-鋼球面O型圈 |
| GJ2"X10 | 10 | 55 | Tr100X12-8H/8h | 23/8TBG | 鋼-鋼球面U型圈 |
| GJ2"X30 | 30 | 55 | Tr100X12-8H/8h | 23/8TBG | 鋼-鋼球面 |
| GJ2"X40-1 | 40 | 55 | Tr100X12-8H/8h | 23/8TBG | 鋼-鋼球面U型圈 |
| GJ2"X40-2 | 40 | 55 | Tr100X12-8H/8h | 23/8TBG | 鋼-鋼球面U型圈 |
| GJ2"X40-3 | 40 | 55 | Tr99X12.7 29"牙型角 | 23/8TBG | 鋼-鋼球面U型圈 |
| GJ2"X40-4 | 40 | 55 | Tr99X12.7 37"牙型角 | 23/8TBG | 鋼-鋼球面U型圈 |
| GJ2"X70 | 70 | 50 | 特T100X12.7 29"牙型角 | 23/8TBG | 鋼-鋼球面U型圈 |
| GJ2 1/2"X30 | 30 | 65 | T120X12-8H/8h | 27/8TBG | 鋼-鋼球面 |
| GJ2 1/2"X40.1 | 40 | 52 | Tr100X12-8H/8h | 27/8TBG | 鋼-鋼球面U型圈 |
| GJ2 1/2"X40.2 | 40 | 56 | T120X3.5扣/英寸 | 27/8TBG | 鋼-鋼球面U型圈 |
| GJ2 1/2"X69 | 69 | 67 | T120X12 | 27/8TBG | 鋼-鋼球面U型圈 |
| GJ3"X30 | 30 | 76 | T130X12 | 31/2TBG | 鋼-鋼球面U型圈 |
| GJ3"X70 | 70 | 82 | T5 3/8"X3 1/2" | 31/2TBG | 鋼-鋼球面U型圈 |
| GJ4" | | 90 | T165X16 | G4"11牙/英寸 | 球面O型圈 |
| GJ4"X16 | 16 | 76 | Tr190X8 | 焊接 | 球面O型圈 |
| GJ4" | 30 | 110 | 160X2 | G4"11牙/英寸 | 鋼-鋼球面密封 |
| GJ4" | | 100 | Tr180X8 | 焊接 | 球面O型圈 |
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