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Our choke valves are including positive style, needle core style, plunger core style, plug cage core style and orifice plate core style. The materials used in both body and parts comply with API 6A and NACE MR-0175 so that our choke valves are widely used in drilling and producing onshore and offshore.

Structure characteristics:

• With orifice opening indicator
• Bleeding fitting is designed
• Plane push bearing is designed
• Metal to metal seal is used
• Lip-shaped and packing sealed stem with special materials
• Adopt highly abrasion-resistant materials to save the choke valve and nozzle from abrasion and corrosion
• Design and manufacture strictly comply with API SPEC 6A

Main technical specification:

• Bore size: 1 13/16’’ – 4 1/16’’
• Working pressure: 2000Psi – 15000Psi
• Opening degree: 1’’, 1 13/16’’, 2’’, 1 1/2’’
• Material class: AA, BB, CC, DD, EE, FF, HH
• Temperature class: L U
• Manufacturing class: PSL3, PSL3G
• Performance class: PR1, PR2
• Standard: API SPEC 6A
• Working medium: oil, gas, kill fluid, water
• Connection: flange, union