Jiangsu Nicety Petrochemical Machinery Co., Ltd.

China Manufacturer with main products: Valves, Wellhead, Casing Head, Kill Manifolds

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Tubing Spool

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Jiangsu in China


Tubing head and tubing spool are used for hanging tubing and sealing the annular space between casing and tubing. Features:
-Secondary seal between tubing hanger and reducing flange can be O ring sealing, grease-injection BT sealing or stiff metallic sealing
-Sealing between tubing hanger and tubing head can metal-metal stiff sealing, special synthetic rubber sealing or metal plus rubber seal.
-Designed with a grease injection valve port and a leakage testing interface
-Tubing head bottom sealing includes O ring sealing grease-injection BT sealing and stiff metallic sealing.
-Tubing hanger and tubing head reducing flange can be designed with a cable penetrator and a port for downhole safety valve controlling cables.
-Side outlet connection can be screw type or RSA flange type, with VR thread for easy valve-replacement operation.  
Rated Working Pressure
psi (Mpa)
Nominal Diameter
in (mm)
By-pass Diameter
in (mm)
Tubing Size
in (mm)
2000 (14)
1 13/16 (46)
1 13/16 (46)
1.9 (48.3)
3000 (21)
2 1/16 (52)
1 13/16 (46),  2 1/16 (52)
2 3/8 (60.3)
5000 (35)
2 9/16 (65)
2 1/16 (52),  2 9/16 (65)
2 7/8 (73)
10000 (70)
3 1/16 (78)
2 9/16 (65), 3 1/16 (78)
3 1/2 (88.9)
15000 (105)
3 1/16 (78)
2 9/16 (65), 3 1/16 (78)
3 1/2 (88.9)
20000 (140)
4 1/16 (103)
3 1/16 (78), 4 1/16 (103)
4 1/2 (114.3) 

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