XIAN ATO INTERNATIONAL CO.,LTD
| I.D. | 1-1/4 in |
| OAL | 27 in |
| Working pressure | 35 Mpa |
| O.D. | 3-1/2 in |
| Payment Terms | L/C,T/T |
| Supply Ability | 10 PIECES PER MOMTH |
| Delivery Time | 10-15 WORK DAYS |
| Packaging Details | WOODEN BOX |
| Place of Origin | CHINA |
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Product Specification
| I.D. | 1-1/4 in | OAL | 27 in |
| Working pressure | 35 Mpa | O.D. | 3-1/2 in |
| Payment Terms | L/C,T/T | Supply Ability | 10 PIECES PER MOMTH |
| Delivery Time | 10-15 WORK DAYS | Packaging Details | WOODEN BOX |
| Place of Origin | CHINA | ||
| High Light | IBOP Drilling BOP 35 Mpa ，Drilling BOP 27 in OAL ，IBOP BOP with high pressure | ||
The IBOP (Inside Blowout Preventer) is a non-return check valve, also known as Gray Valve or BVR, designed as a back pressure valve for drill strings. Its primary function is to prevent uncontrolled well flow up the drill string during operations.
During drill tool lifting operations, the IBOP's open position allows backflow to facilitate installation. In case of a blowout, the valve can be quickly closed using a relief rod to stop backflow. Surface pumps can then be used to discharge the IBOP and drill string, achieving blowout prevention through controlled fluid regulation and pump circulation.
| Thread Connection | O.D. mm(inch) | I.D. mm(inch) | OAL mm(inch) | Working Pressure (Mpa) |
|---|---|---|---|---|
| NC26 | 88.9 (3-1/2) | 31.75 (1-1/4) | 686 (27) | 70 (35) |
| NC26 | 95 (3-3/4) | 35 (1-3/8) | 660 (26) | 70 (35) |
| NC31 | 104.8 (4-1/8) | 41.3 (1-5/8) | 711 (28) | 70 (35) |
| NC31 | 111 (4-3/8) | 35 (1-3/8) | 670 (26-3/8) | 70 (35) |
| NC38 | 120.1 (4-3/4) | 50 (2) | 462 (30) | 70 (35) |
| NC38 | 121 (4-3/4) | 45 (1-49/64) | 685 (26-31/32) | 70 (35) |
| NC46 | 158.75 (6-1/4) | 61.9 (2-7/16) | 838 (33) | 70 (35) |
| NC50 | 159 (6-1/4) | 57.2 (2-1/4) | 760 (29-59/64) | 70 (35) |
| NC50 | 165 (6-1/2) | 57.2 (2-1/4) | 760 (29-59/64) | 70 (35) |
| NC50 | 168.28 (6-5/8) | 71.4 (2 13/16) | 838 (33) | 70 (35) |
| 5 1/2FH | 177.8 (7) | 76.2 (3) | 889 (35) | 70 (35) |
| HT55 | 177.8 (7) | 57.2 (2-1/4) | 998 (38-57/64) | 70 (35) |
| 6-5/8REG | 203.2 (8) | 76.2 (3) | 965 (38) | 70 (35) |
| 6-5/8REG | 203.2 (8) | 71.4 (2-13/16) | 998 (38-57/64) | 70 (35) |
| 7-5/8REG | 241(9-1/2) | 71.4 (2-13/16) | 998 (38-57/64) | 70 (35) |
| 7-5/8REG | 241(9-1/2) | 76.2 (3) | 965 (38) | 70 (35) |
Company Details
Business Type:
Exporter,Trading Company
Year Established:
2008
Total Annual:
500000-600000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Xi’an ATO International Co., Ltd. is China Oilfield Equipment Supplier for Middle East Drilling Contractors, founded in 2008, belongs to ATO Group, which is located in Xi'an, China. ATO supplies API standard drilling equipment, such as mud pump spare parts, BOP components and oilfield tools fr... Xi’an ATO International Co., Ltd. is China Oilfield Equipment Supplier for Middle East Drilling Contractors, founded in 2008, belongs to ATO Group, which is located in Xi'an, China. ATO supplies API standard drilling equipment, such as mud pump spare parts, BOP components and oilfield tools fr...
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