| 原産地: | 中国(本土) | 銘柄: | 繁栄 | モデル番号: | 1rに5F-6R | タイプの処理: | 鍛造物 | 機械タイプ: | 鋭い装置 | 材料: | 炭素鋼 | 使用: | 健康な訓練 | 認証: | api & iso | タイプ: | ドリルパイプフロート弁 |
包装
| 包装: | 梱包で輸出標準合板ケースまたは顧客の要件に応じ |
API Drill Pipe Float Valve, Plunger and Flapper Type
Drill Pipe Float Valves are normally installed in a standard bore-back of the bit sub, to provide fluid flow control at the bottom of the drill stem. It also prevents backflow of cuttings from plugging the drill bit jets while making connections.
Drill Pipe Float Valve Specification:
| Type | Dia. of Valve Assembly | Length Of Valve Assembly | Dia. Of Float Recess | Sub Box | Other Popular Connections | ||
| Connection | Depth Of Recess | Connection | Depth Of Recess | ||||
| mm(inch) | mm(inch) | mm(inch) | API | mm(inch) | API | mm(inch) | |
| 1R | 42.1(1-21/32) | 149.2(5-7/8) | 42.9(1-11/16) | 2-3/8Reg. | 231.8(9-1/8) | NC23 | 231.8(9-1/8) |
| 2F-3R | 61.1(2-13/32) | 165.1(6-1/2) | 61.9(2-7/16) | 3-1/2Reg. | 266.7(10-1/2) | NC31 | 260.35(10-1/4) |
| 3-1/2 F | 79.4(3-1/8) | 254(10) | 80.2(3-5/32) | NC38 | 362.0(14-1/4) | ||
| 4R | 88.1(3-15/32) | 211.1(8-5/16) | 88.9(3-1/2) | 4-1/2Reg. | 325.4(12-13/16) | NC44 | 331.8(13-1/16) |
| 5R | 98.4(3-7/8) | 247..7(9-3/4) | 99.2(3-29/32) | 5-1/2Reg. | 374.7(14-3/4) | NC50 | 368.3(14-1/2) |
| 5F-6R | 121.4(4-25/32) | 298.5(11-3/4) | 122.2(4-13/16) | 6-5/8Reg.. | 431(17) | 5-1/2IF | 431.8(17) |
