頂驅旋塞閥
頂驅旋塞閥用于頂驅鉆井裝置上，可分為頂驅上旋塞閥和頂驅下旋塞閥兩種，它們是與頂驅系統配套使用的一種控制閥，通常情況下兩個閥串接與頂部驅動鉆井裝置上。該閥可承受來自上、下兩方向的高壓。其工作壓力可達10,000psi 或15,000psi。閥體內腔及零件均經過特殊的防腐處理，延長了使用壽命。
| Series # | Valve Configuration | Body | Hex Wrench | ID (inches) | OD (inches) | Pressure (PSI) | Weight(lbs) | Length (inches) | Alternate Threads |
| D1250 | 2 3/8 Pac Pin by Box | 2 Piece | 9/16 | 1.250 | 2.875 | 5000 | 30 | 18.0 | |
| D1500 | 2 3/8 SLH-90 Pin by Box | 2 Piece | 5/8 | 1.500 | 3.375 | 5000 | 50 | 24.0 | |
| D2375IF | 2 3/8 IF Pin by Box | 2 Piece | 5/8 | 1.750 | 3.750 | 5000 | 55 | 20.5 | |
| D2875IF | 2 7/8 IF Pin by Box | 2 Piece | 5/8 | 2.000 | 4.250 | 5000 | 75 | 24.0 | |
| D2875SLH90 | 2 7/8 SLH?90 Pin by Box | 2 Piece | 5/8 | 2.000 | 3.875 | 5000 | 60 | 23.0 | 2 7/8 AOH |
| D3500IF | 3 1/2 IF Pin by Box | 2 Piece | 5/8 | 2.250 | 5.000 | 10000 | 110 | 25.0 | 4 FH, DS38 |
| D3500DS40 | DS-40 Pin by Box | 2 Piece | 5/8 | 2.250 | 5.250 | 10000 | 160 | 33.0 | |
| D4000XH | 4 1/2 XH Pin by Box | 2 Piece | 5/8 | 2.250 | 6.375 | 10000 | 210 | 26.0 | 4 1/2 RLH |
| D4250IF | 4 1/2 IF Pin by Box | 2 Piece | 3/4 | 2.812 | 6.625 | 10000 | 230 | 28.0 | 4 1/2 XH, 4 1/2 H90 |
| D5250FH | 5 1/2 FH Pin by Box | 2 Piece | 7/8 | 3.060 | 7.250 | 10000 | 330 | 34.0 | 6 5/8 RRH |
| D5500CSX54 | CSX-54 Pin by Box | 2 Piece | 7/8 | 4.500 | 8.000 | 10000 | 40 | 40.0 | |
| D6000FH | 6 5/8 FH Pin by Box | 2 Piece | 7/8 | 3.500 | 9.000 | 10000 | 590 | 50.0 | 5 1/2 FH |
| D6625FH | 6 5/8 FH Pin by Box | 2 Piece | 7/8 | 5.000 | 11.000 | 10000 | 720 | 33.0 | |
| D4250U | 6 5/8 RLH | 2 Piece | 3/4 | 2.812 | 7.750 | 10000 | 330 | 28.0 | |
| 1D3000IF | 3 1/2 IF Pin by Box | 1 Piece | 5/8 | 2.000 | 5.000 | 10000 | 140 | 29.5 | |
| 1D3500IF | 4 FH Pin by Box | 1 Piece | 5/8 | 2.250 | 5.000 | 10000 | 120 | 26 | |
| 1D4000XH | 4 1/2 XH Pin by Box | 1 Piece | 5/8 | 2.250 | 6.375 | 10000 | 210 | 26 | |
| 1D4250IF | 4 1/2 IF Pin by Box | 1 Piece | 3/4 | 2.812 | 6.625 | 10000 | 220 | 26.5 | |
| 1D4400XH | 4 1/2 XH Pin by Box | 1 Piece | 3/4 | 2.812 | 6.935 | 10000 | 240 | 26.5 | 4 1/2 IF |
| 1D4400XH | 4 1/2 XH Box by Box | 1 Piece | 3/4 | 2.812 | 6.935 | 10000 | 240 | 26.5 | 4 1/2 IF |
| 1D5250FH | 5 1/2 FH Pin by Box | 1 Piece | 7/8 | 3.060 | 7.250 | 10000 | 260 | 31 | 6 5/8 RRH |
| 1D4250U | 6 5/8 RLH Pin by Box | 1 Piece | 3/4 | 2.812 | 7.750 | 10000 | 310 | 26.5 |
