API 6A Demco Mud Gate Valve with Flanged or Hammer Union End Connection

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Basic Info.
  • Product Name: Mud Gate Valve 
  • Nominal Bore: 2" to 6" 
  • Pressure Rating: 2000 PSI to 7500 PSI 
  • Material Class: DD, EE, FF 
  • Temp Class: L, P, R, S, T, U, V 
  • End Connection: Flange, Threaded, Butt-Welded, Hammer Union 
  • Product Specification Level: PSL1, PSL2, PSL3, PSL4 
  • Performance Requirement: PR1, PR2 
  • Standard: API Spec 6A, NACE MR0175 
  • Application: Drilling standpipe manifolds, high pressure mud pipelines, wellheads and petroleum/gas pipelines etc 
  • Model No.: QH-DM-01 
  • Place of Origin: Jiangsu  
  • Min.Order: 10 Piece/Pieces
  • Means of Transport: Ocean
Supply Capacity
  • Production Capacity: 3000 Pcs/Month
  • Packing:Plywood
  • Delivery Date: 35 Days


API6A Demco Mud Gate Valve is mainly used for drilling mud circulating system in oilfields, It is used to control the flowing and stopping of mud. Our company's QH-DM series mud gate valves have been widely used in drilling standpipe manifolds, pump manifold block valves, high pressure mud pipelines, wellhead and petroleum/gas pipelines, and high pressure frac service. This type valve can be hard seal or soft seal with pressure up to 7500 PSI. The QH-DM Mud Gate Valve is available in sizes 2" to 6" (50 mm to 150 mm) with butt-welded end, Hammer Union End or flanged end connections. 

We are a professional wellhead assembly christmas tree, API6A valves, and oilfield manifolds manufacturer. All of our mud gate valves are fully designed, produced, and tested as per API 6A, API16C, and NACE-MR0175 standards. We can also design and produce mud gate valve according to customers' special requirements.

Detailed Specifications:

Product Name: Mud Gate Valve

Nominal Bore: 2" to 6"

Standards: Manufactured and Tested in Accordance with API Spec 6A, NACE MR0175

Pressure Rating: 2000 PSI to 7500 PSI

End Connection: Flange, Threaded, Butt-Welded, Hammer Union

Material Class: DD, EE, FF

Temp Class: L, P, R, S, T, U, V

Performance Requirement: PR1, PR2

Product Specification Level: PSL1, PSL2, PSL3, PSL4

Traceability: Qihang's API6A Demco Mud Gate Valves are supplied with full traceability documentation for each component.

Application: Drilling standpipe manifolds, high pressure mud pipelines, wellheads and petroleum/gas pipelines etc


  1. Gate material can be nickel plated carbon steel, aluminum bronze, Monel or stainless steel, which ensure fine wear-resistant & corrosion-resistant performance.

  2. Regular material of seat is Stainless Steel with HNBR

  3. Valve seat and gate are sealed by Metal to Metal Sealing

  4. Low Operating Torque

  5. Easy to open and close

  6. Optimal for mud drilling operation systems

Qihang's 2" and 4" -5000PSI Butt Weld Demco Mud Gate Valves

Image gallery of Demco Mud Gate Valves with Hard Seal and Hammer Union Connections

Qihang produces Top Quality API6A Demco Mud Gate Valves at Competitive Prices.

Contact us Today for your specific needs.

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Mr. Bruce
Tel: 0086-139-62481639
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Yancheng Qihang Petroleum Machinery Co., Ltd
No.8 Jianxin Rd, Lugou Industrial Park, Jianhu, Yancheng, Jiangsu, China (Mainland)
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