API 6A 4inch Spm Demco Mud Gate Valves 3000- 7500 Psi Emergency Unloading Valve

The union ends API 6A mud gate valves are mainly used for drilling mud circulating system in oil field, It is used to control the flowing and stopping of mud. It is joined by trapezoid thread connection, It is quick and convenient to fix the equipment. The equipment has strong rigidity is safe and reliable, The union ends mud gate valve seat and gate are sealed by means of parallel-type Metal to Metal Sealing, The effection of sealing is good,It is convenient to open, The two ends of the valve and pipes are joined and staled with spherical movement,The movable connection of the rubber seal ring like "O" is not of high requirement about straightness of the two ends of pipes, When is is fited and its seal performance is very good.

SPECIFICATION

Manufactured and Tested in Accordance with API Spec 6A
Forged Steel Body and Bonnet
API 6A PSL 1, 2 and 3 available

Valve seat and gate are sealed by Metal to Metal Sealing
Low Operating Torque
Quick Release Hand Wheel
Factory Pressure Tested in Accordance with API.6A
Can be supplied with Flanged End Connections, Hammer Union Ends, Threaded Connections or Butt Weld Ends Material Classes DD, EE, FF, to NACE MR-01-75
Available with Pressure Ratings 3000psi, 5000psi and 10000psi in 2", 3", 4", 5" Valve Sizes
APPLICATIONS
Oil and Gas lines
Wellheads
Manifolds and Pipelines
Crude Oil and Sour Gas
Well Treating Chemicals

The Mud Gate Valve, with superior design features precision workmanship and a proven principle are engineered to meet the harsh drilling requirements in today's oilfield.

The Valve standard trim includes 316SS Gates 316SS Stems and Buna N seats, optional trims are available which include Ni Plated Carbon Steel, Monel and Aluminum Bronze gates. Seats are offered in Viton and Hypalon and optional 303SS Stem is available.

All the Valves conform to API flange dimensions in all pressure class ratings. The valves have rising stems that are driven by a double threaded hub for quick opening and closing with minimum turning effort. The permanently lubricated stems and stem screws are fully sealed assembly consisting of homogenous and fabric backed rings for high and low pressure sealings.

Mud pump lines and Standpipe manifolds, Oil and gas pipelines, Sour gas and crude oil, Corrosive water flood lines, Cementing services, Wellheads, Well treating chemicals.
•Connection Type: Flange, Screw thread, Welding
•Working Pressure: 3000~5000psi
•Normal Size: 2″,3″,4″
•Working Temperature: -29ºC~121ºC(P.U)
•Working Medium: Mud, Oil, Water, etc.

"DM" MUD GATE VALVE

PRODUCT DESCRIPTION

The Mud Gate Valve,with superior design features precision workmanship and a proven priciple are engineered to meet the harsh drilling requirements in today's oilfield.

The Valve conforms to the standard flange dimensions and pressure rating of 3000 and 5000 PSI working pressure,the nominal size is 2",3",4",4"×5",and temperature service up to 400 F.

The Valve standard trim includes 316SS Gates 316SS Stems and Buna N seats,optional trims are available which include Ni Plated Carbon Steel,Monel and Aluminum Bronze gates.Seats are offered in Viton and Hypalon and optional 303SS Stem is available.

CONSTRUCTION

All the Valves conforms to API flange dimensions in all pressure class ratings.The valves have rising stems that are driven by a double threaded hub for quick opening and closing with minimum torque.The permanently lubricated stems and stem screws are fully sealed,which get high and low pressure sealing through support ring.

Honorary Certificate

Our products have been ISO9001 certifield and attained API 6A,6D,API 7,7K,and API 16A&16C approvals of American Prtroleum Institute.All products are fully designed and manufactured in accordance with API,ANSI,GB(national standards)and SY(industry standards)standards