BTC partial ladder buckle size

1. At present, Chinese citizens are eligible to apply for APEC Business travel cards: (1) government officials engaged in APEC affairs or in charge of travel card business, as well as Chinese officials working in APEC organizations 2 Management personnel, main business personnel and technical personnel in large state-owned enterprises under central management 3 Personnel of local state-owned enterprises 4 Personnel of private enterprises 5 Chinese (mainland) personnel in Sino foreign joint ventures, wholly foreign-owned enterprises and Taiwan, Hong Kong and Australia funded enterprises. The above-mentioned persons must hold valid PRC passport and frequently travel to APEC economies e to work needs. They have no criminal record or have been refused visa by foreign countries, especially the economies implementing the travel card scheme.

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3. Specification: oil tubing 2-3 / 8 "- 4-1 / 2", end processing form nue, eue. Oil casing 2-3 / 8 "- 20" perennial spare oil casing, more than 1000 tons in stock, api5ct tubing, api5ct casing, oil pipe specification 26.67-114.3mm. Api5ct oil casing specification is 114.3-508mm. Material: h40.j-55, k-55, N-80, l-80, C-90, c-95, P-110, q-125, etc. There are STC (short round buckle), LTC (long round buckle), BTC (partial ladder buckle), VAM (wangba buckle) and other buckle types of api5ct oil casing. Api5ct oil casing length R1, R2, R3
from: China investment casting portal

4. Buttress thread coupling is a kind of API standard thread connection type, which is commonly used in the connection of petrochemical pipes or tools, such as floating collar, guide shoe and pipe shoe used in cementing operation.

5. This is the identification number of oil casing. It is recommended to refer to API 5CT standard document

6. The outer diameter is 2-7 / 8 & quot 6.5 refers to the weight per foot (6.5 pounds / foot), the corresponding wall thickness is 5.51mm, 8rd is the connection parameter, which refers to the thread per inch of 8 teeth round thread, l-80 is the API steel grade of the steel pipe, eue is the outer pier diameter of the pipe end, R2 is the length grade of the steel pipe, which is grade 2 (there are three length grades)
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7. Partial ladder buckle is a form of casing connection in oil field. It is an API standard thread connection type. It is commonly used in the connection of petrochemical pipes or tools, such as floating collar, guide shoe and pipe shoe used in cementing operation.

8. The direction is different.

9. Plate structure M-atx
plate size 24.4 cm x 19.3 cm
Power Interface 24 + 8
PCB specifications Small board