从China供应商批发进口2-7/8 Eue Pin X 3-1/2 Eue Box 180mm — FOB条款

This 2-7/8 EUE pin x 3-1/2 EUE box pup joint, measuring 180mm in length, is a threaded connector used to join tubing strings of different nominal sizes in oil and gas wells. Supplied by Henan Dongfanglong Machine Manufacture Co., Ltd from Puyang, Henan, China, it is manufactured to API 5CT standards. The product features an External Upset End (EUE) pin connection on one end and an EUE box connection on the other, allowing for a secure transition between 2-7/8 inch and 3-1/2 inch tubing.

Pup joints like this are critical for adjusting the length of a tubing string during well completion or workover operations. The material is specified as carbon steel in API grades such as J55 or L80, which are common for standard well conditions. Typical industry specifications for EUE connections include a tapered, round thread design with 8 threads per inch, providing a reliable metal-to-metal seal. The 180mm length is a standard short length used for precise spacing adjustments.

Drilling contractors, well service companies, and OCTG distributors source these fittings for their inventory of downhole tools. The product is used in oil extraction, water well drilling, and geothermal energy projects. Buyers should confirm the exact material grade, thread dimensions, and any required pressure testing with Henan Dongfanglong. The supplier offers trade terms such as FOB and CIF, providing flexibility for international logistics.

Henan Dongfanglong Machine Manufacture Co., Ltd is located at the intersection of 106 National Highway and Jintian Road in Puyang, Henan, China. The supplier's profile indicates a 'harbor' trust tier. The profile does not provide details on the company's establishment date, number of employees, or manufacturing capabilities beyond the product listing.

The listing focuses on OCTG pup joints and connectors. The response rate and average response hours are shown as 0.00, suggesting either a new listing or no tracked inquiry history on this platform. To evaluate the supplier's reliability, buyers should initiate direct communication to request company literature, production facility details, and references from previous international clients.