A back-pressure valve is a type of check valve, typically installed in the tu hanger, to isolate the production tubing. The back-pressure valve is designed to hold pressure from below yet enable fluids to be pumped from above, as may be required for well-control purposes. Thus, it reduces downtime and operating cost by allowing for repairs

Tu Hangers – PARVEEN's Tu Hangers are basically four types. These are Mandrel Type 'PTHSM', Wrap Around Type 'PTHSW', Extended Neck Type 'PTHSE' and 

Pipe Roller Hanger MSS-SP-69, Type 43 WW-H-171E, Type 44 Page 126 Fig. 325 Pipe Roller Chair Page 127 Fig. 326 Adjustable Roller Support Page 128 Fig. 327 Pipe Roller and Stand MSS-SP-69, Type 44 WW-H-171E, Type 45 Page 129 Fig. 32 Anchor Chair Page 48 Fig. 83 Isolator Copper Tube Page 72 Fig. 84 IPS Isolator Page 74 Fig. 219

After the casing operation, tu hanger is placed inside tu head spool for the production phase. It allows tu strings to be suspended and sealed.

threaded mandrel type hanger, available with standard API threads or premium casing threads Standard Features Tu Hangers. • threaded mandrel type 

Abstract. A well tu hanger apparatus is described for use in well fluid control comprising; a tu head having a tu head opening defined upwardly therethrough, a moveable tu hanger positioned within the tu head opening, the moveable tu hanger being moveable relative to the tu head, seal means located between the tu head and the tu hanger

Tu Hangers API 6A Great Lakes Wellhead, Inc. carries a vast array of new and reconditioned Tu Hangers as well as Replacement Seals.

14 Aluminum Brass Bronze Carbon Fiber Fabric Fiberglass Iron Nickel Plastic Titanium Finish Blue PTFE Coated Copper Plated Copper- Plated Hot- Dipped Galvanized Nylon Coated PVC Coated Rubber Coated Zinc Plated Zinc Yellow- Chromate Plated Inch Metric ID " " 61 mm 62 mm 64 mm 66 mm 67 mm 68 mm 70 mm 71 mm 71 to 80 73 mm 75 mm 76 mm 78 mm 79 mm

Tu Hangers ; GLT-16, T-16 Tu HangerIn the TA-1 tu hanger, O-rings with a large cross section form the annular seal. The extended neck or the hanger 

Weatherford offers a wide range of tu hangers for safe, reliable performance and time Choose bottom or top connections in all types, sizes and.

Tu Hanger Spool is used in combination with Tu Hanger coupling, Wrap around tu hanger (PTHSW) and 'PTHS' type tu spool. Tu Hanger