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Yancheng Qihang Petroleum Machinery Co., Ltd
Yancheng Qihang Petroleum Machinery Co., Ltd  

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API 6A H2 Manual Adjustable Choke Valve 

Payment Terms: T/T,L/C 
Place of Origin: Jiangsu, China (Mainland) 
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Product Detail

Model No.: QH-H2
Production Capacity: 50 Pcs/Month
Delivery Date: 40 Days
Size: 1-13/16" - 7-1/16"
End Connection: Flanged, Threaded, Hammer U...
Material: AISI4130 Forged Alloy Steel
Standards Carried: API 6A, API 16C, NACE-MR017...
Means of Transport: Ocean
Packing: Fumigation-Free Plywood Cas...
Valve Type: Adjustable Manual Choke Val...
Pressure Rating: 2000 PSI - 15000 PSI
Material Class: AA, BB, CC, DD, EE, FF, HH
Temp Class: L, P, R, S, T, U, V
Performance Requirement: PR1, PR2

API 6A H2 Adjustable Manual Choke Valve
Nominal Bore: 1-13/16" - 7-1/16"
WH: 2000 PSI to 15000 PSI
Material: AISI4130 Forged Alloy


A Choke Valve is an important part of Wellhead Christmas Tree and Choke Manifold. It is usually used in well control operations to reduce the pressure of a fluid from high pressure in the closed wellbore to atmospheric pressure. It may be adjusted (opened or closed) to closely control the pressure drop. Adjustable Choke Valves are constructed to resist wear while high-velocity, solids-laden fluids are flowing by the restricting or sealing elements.

Choke Valves are available in various configurations for both fixed and adjustable modes of operation. Adjustable choke valves enable the fluid flow and pressure parameters to be changed to suit process or production requirements. In contrast, fixed choke valves don't provide this flexibility, although they are more resistant to erosion under prolonged operation or production of abrasive fluids. Choke valves can be manually or hydraulically operated.

As a redesign and upgrade of Cameron H2 series adjustable choke valve, our adjustable choke valves are fully designed, produced, and tested as per API 6A, API 16C, and NACE-MR0175 standards. Available in bore sizes from 1-13/16" to 7-1/16" and rated working pressure up to 15000PSI. Aside from adjustable choke valves, we also produce and supply Positive/Fixed Choke Valves and Orifice Choke Valves which have been widely applied on wellhead christmas tree and choke manifolds with reliable working performance.

Detailed Specifications:

Product Name: H2 Adjustable Manual Choke Valve

Nominal Bore: 1-13/16" - 7-1/16"

Standards: API Spec 6A, API 16C, NACE MR0175

Pressure Rating: 2000 PSI to 15000 PSI

End Connection: Flanged, Threaded, Hammer Union

Working Medium:  Petroleum, Natural Gas, Water, Mud, Gas containing H2S, CO2

Material: AISI 4130 Forged Alloy Steel

Material Class: AA, BB, CC DD, EE, FF

Temp Class: L, P, R, S, T, U, V

Performance Requirement: PR1, PR2

Product Specification Level: PSL1, PSL2, PSL3, PSL3G, PSL4

Interchangeability: 100% interchangeable with Cameron H2 adjustable choke valves and other major brands.

Application: Wellhead Christmas Tree, Manifolds etc.


  1. Integral forged valve body with fine mechanical properties.

  2. Needle structure for easy flow controlling and adjusting.

  3. Trims are made of material with fine wear resistance and scour resistance.

  4. Internal parts can be easily disassembled and replaced.

API-6A Adjustable Choke Valves produced by Qihang Wellhead

All of Qihang's raw materials and products are subject to strict and comprehensive quality check and testing.

Qihang produces Top Quality H2 Adjustable Choke Valve at Truly Competitive Prices.

Contact us Today for your specific needs.

 Mr. Bruce

Tel: 0086-139-62481639
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Company Info

Yancheng Qihang Petroleum Machinery Co., Ltd [China (Mainland)]

Business Type:Manufacturer, Trading Company, Service
City: Yancheng
Province/State: Jiangsu
Country/Region: China (Mainland)

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