Demco Mud Gate Valve Major Repair Kits and Minor Repair Kits

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Basic Info.
  • Product Name: Major Repair Kit and Minor Repair Kits for DM Mud Valves 
  • Nominal Bore: 2" to 4" 
  • Pressure Rating: 2000 PSI to 7500 PSI 
  • Material Class: DD, EE, FF 
  • Temp Class: L, P, R, S, T, U, V 
  • Content: Gate, Seat, Stem, Body Wear Ring,, Bonnet Seal etc. 
  • Product Specification Level: PSL1, PSL2, PSL3 
  • Performance Requirement: PR1, PR2 
  • Standard: API Spec 6A, NACE MR0175 
  • Application: Demco Mud Gate Valve 
  • Model No.: DM-RK01 
  • Place of Origin: Jiangsu  
  • Min.Order: 20 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 4" with butt-welded end, Hammer Union End or flanged end connections. 

Qihang is 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.

We produce and supply repair kits for Demco Ttype Mud Gate Valve. There are two kits available. The minor kit contains expendable items that require periodic service or replacement. The major repair kit contains items included in the minor repair kit plus items that are ordinarily replaced during a major over haul of the valve. Our kits contain parts of the highest quality and are 100% interchangeable with Demco parts.

Detailed Specifications:

Product Name: Repair Kits for Demco Type Mud Gate Valves

Nominal Bore: 2" to 4"

Major Repiar Kits include: Gate Clip, Stem Seal Assembly, Stem, Bonnet Seal, Gate, Seat, Housing Seal, Body Wear Ring, Wear Ring Seal, Stem Screw with Beairngs, Secondary Seal

Minor Repiar Kits include: Gate Clip, Bonnet Seal, Gate, Seat, Body Wear Ring, Wear Ring Seal

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

Pressure Rating: 2000 PSI to 7500 PSI

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

Seal Type: Soft Seal, Hard Seal

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 major repair kits and minor repair kits for Demco Mud Gate Valve are supplied with full traceability documentation for each component.

Application: Demco Type Mud Gate Valves

Image gallery of Major Repair Kits and Minor Repair Kits for Demco Mud Gate Valves 

Qihang's 2" and 4"-5000PSI Demco Mud Gate Valves are ready for delivery.

Qihang produces and supplies Major Repair Kits and Minor Repair Kits for Demco Mud Gate Valves at Competitive Prices.

Contact us Today for your specific needs.

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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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