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

China 3" DM Mud Valve API-6A 3" Demco Mud Gate Valve manufacturer


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3" DM Mud Valve API-6A 3" Demco Mud Gate Valve 

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

Model No.: QH-DM3
Production Capacity: 1000 Pcs/Month
Delivery Date: 35 Days
Nominal Bore: 3"
Material Class: AA, BB, CC, DD, EE, FF
End Connection: Flange, Threaded, Butt-Weld...
Performance Requirement: PR1, PR2
Application: Drilling standpipe manifold...
Means of Transport: Ocean
Packing: Plywood
Product Name: Demco Mud Gate Valve
Pressure Rating: 2000 PSI, 3000SPI, 5000PSI,...
Temp Class: L, P, R, S, T, U, V
Product Specification Level: PSL1, PSL2, PSL3, PSL4
Standard: API Spec 6A, NACE MR0175

API 6A Demco Mud Gate Valve
Size: 3"
WH: 2000PSI, 3000PSI, 5000PSI, 7500PSI
End Collection: Flange, Thread, Butt-Welded, Union


In the Oil & Gas industry, the API6A Demco DM Mud Gate Valve or Mud Valve is engineered for the rigorous requirements of abrasive and erosive service conditions in oilfield applications, such as mud, cement, fracturing and water service. The DM Gate Valves feature rising stem, solid gate with resilient seals. They are easy to operate and simple to maintain.

The Demco series DM mud gate valves mainly come in four types of end connections, the Butt-Welded End type, the Threaded End type, the Flanged End type, and the Hammer Union End type(Such as Fig 1502, Fig 1003). Popular valve sizes include 2", 3", 4", 5" x 4" and 6" x 4". End connections vary by size and pressure rating based on market requirements. Some sizes in the ANSI series are offered with grooved end connections. 

The API-6A DM mud gate valves can be hard seal or soft seal. Available in pressure ratings at 2000PSI, 3000PSI, 5000PSI, and 7500 PSI.  All of our DM Mud Gate Valves are strictly designed, manufactured, and tested in accordance with API-6A standards. They are suitable for both standard and H2S service. DM mud gate valve repair kits are also available.


Product Name: DM Mud Gate Valve

Bore Size: 3" 

Standards: API 6A

Working Pressure: 2000PSI, 3000PSI, 5000PSI, 7500PSI

Types of End Connections: Flanged (RTJ), Threaded, Butt-Welded, Hammer Union

Material: Stainless Steel, Carbon Steel

Trim Material: NBR, HNBR

Working Medium: Oil, Natural Gas, Mud and Gas containing H2S, CO2

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

Temperature Class: LU

Performance Requirement: PR1, PR2

PSL Rating: PSL1, PSL2, PSL3, PSL4

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

Service: Standard, H2S etc

Application: Drilling standpipe manifolds, Pump Manifold Block Valves, Production Manifolds, Production Flow Lines, High Pressure Mud Pipelines, Wellheads and Petroleum/Gas Pipelines etc

Origin: China


  • 100% interchangeable with Demco DM series mud gate valves.

  • Designed specifically for abrasive and erosive condition

  • Gates available: Nickel-plated carbon steel, Monel, Aluminum Bronze or Stainless Steel 

  • Stainless or Carbon Steel Inserts with Nitrile or HNBR Elastomer 

  • Optimal for mud drilling operation systems

  • On-Time Delivery & Competitively Priced

Cut-View & Parts List of 3" Demco DM Mud Gate Valve 

Different Types of End Connections of Demco DM Mud Gate Valves

Qihang's Demco Type Mud Gate Valves are ready for delivery.

Qihang produces High Quality API-6A Demco DM Mud Gate Valves at 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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