Share on (62446368117):
Pup joints are manufactured from seamless mechanical tube. As with all products, each piece is marked with a distinctive heat number that is fully traceable. A complete range of sizes (1" to 4.5"), weights (standard or heavy wall), and grades (J-55, N-80, L-80, and P-110) are commonly available from stock in 2', 3', 4', 6' and 10' lengths. Other lengths are available upon request.
1. Pup Joints are used to adjust the height of full length tubing or casing strings and adjust the depth of downhole tools.
2. Processing type: Turning
3. Surface treatment: Whole phosphating, or inside phosphating and outside coating
4. Packing: bundled,carton, wooden case, wooden pallet, or as requsted
We offer two types of connection: NUE & EUE,color coded acording to class and tensile strength, and manufactured according to API Spec 5CT. Range of 2-3/8”, 2-7/8″, 3-1/2″,4″ and 4-1/2″ in J55, K55, N80,L80, P110 grade. All of our couplings meet the API Specifications 5CT/5B.
Diameters: |
| 1.9" through 4.5" nominal O.D. |
Weights: |
| Standard or Heavy Wall |
Lengths: |
| 2, 3, 4, 6, 8, 10, 12 ft. Standard |
Grades: |
| J-55, N-80, N-80 Q & T, L-80, P-110 |
Connections: |
| EUE, NUE, Buttress |
Descriptions and size | Type of Thread | O.D*L(mm) | |
Tubing Joint | 2-3/8" | NUE | 73.02*107.95 |
2-3/8" | EUE | 77.80*123.82 | |
2-7/8" | NUE | 88.90*130.18 | |
2-7/8" | EUE | 93.17*130.35 | |
3-1/2" | NUE | 107.95*142.88 | |
3-1/2" | EUE | 114.30*146.05 | |
4" | NUE | 120.65*146.05 | |
4" | EUE | 127.00*152.40 | |
4-1/2" | NUE | 132.08*155.58 | |
4-1/2" | EUE | 141.30*158.75 | |







Dongying Zhaoxin Industry and Trade Co.,Ltd is an ISO-9001, ISO-14001, OHSAS-18001 certified company and has all the quality systems in place for design, planning,manufacturing and quality monitoring & traceability to ensure that Dongying Zhaoxin Industry and Trade Co.,Ltd products match the highest quality & reliability Standards similar to any International major in this field.
Dongying Zhaoxin Industry and Trade Co.,Ltd with perfect attitude, product and service, is going to make further development together with customers at home and abroad .

1) How can I place order?
A: You can contact us by email about your order details, or place order on line.
2) How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T (HSBC bank) and Paypal, Western Union are the most usual ways we are using.
3) What’s the order procedure?
A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr -epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 7-15days if we don’t have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.
4)How do you take care when your clients received defective products?
A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.
5)How do you check all the goods in the production line?
A: We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.
New products from manufacturers at wholesale prices