Cast Iron Gate Valve Standard or Nonstandard: Standard Structure: Gate Pressure: Medium

Cast Iron Gate Valve Standard or Nonstandard: Standard Structure: Gate Pressure: Medium

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 100 pc

Supply Capability:: 9999 pc/month

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Valve is a opening and closing the gate assembly, perpendicular to the direction of movement and direction of flow of the gate, gate valve can be fully open and fully closed, discomfort door parameter varies, usually 5 degrees, the medium temperature is not high for 2 ~ 52 '. Improve the process, make up the sealing surface angle in the process of the deviation, which is called the gate.

Motion editing valve closed, the sealing surface can only rely on media pressure to seal, which only rely on media Z41h flange wedge gate valve pressure on the sealing surface of the disc to the other side of the valve seat to ensure the sealing surface, which is self sealing.

Most of the valve is forced to seal, that is, when the valve is closed, to rely on external force to force the gate to the seat, in order to ensure the sealing surface of the seal.

Movement: gate valve with the valve stem together for a straight line movement, also known as the gate valve.

Usually on the lifting rod with trapezoidal thread, through the valve on the top of the nut and the body of the guide slot, the rotating motion into a linear motion, that is, the operating torque into the operating thrust.

When the valve is opened, when the gate height is equal to 1:1 times the diameter of the valve, the fluid passage is completely free, but at the time of operation, the position can not be monitored.

Actual use, is the apex of the stem as a sign, that is, the open position, as its fully open position. In order to consider temperature changes occur locked phenomenon, usually open to the vertex position, and then rewind 1 / 2-1 circle, as a fully open valve position.

Therefore, the valve fully open position, according to the location of the gate (that is, the stroke.

Some gate valve stem nut is located on the gate, the hand wheel rotation to drive the valve stem rotation, and so that the gate to upgrade, this valve is called the rotating rod gate valve or called the dark bar gate valve.

Specifications

Resilient Seated Flanged gate valve

resilient gate valve F5

1.size:DN40-DN300

2.medium:water

3.certificate:ISO9001 CE

4.standard:DIN

WZLD OEM Certificate 2'',12 Inch,16 Inch Cast Iron Manual Gate And Globe Valve

Available medium:water

Working temperature:≤80°C

Flange dimensions:DIN2501

Face to face dimensions:DIN3202F5

cast iron gate valve

Q:What is the standard length of GB steel gate valve?: 1, product standardsGeneral purpose valves, flanged connections, iron gate valves, GB/T 12232-2005General requirements for steel valves GB/T 12224-2005"Steel flat gate valves for pipelines" JB/T 5298-91Inspection and test of valves. JB/T 9092-1999Standard for safety evaluation of drinking water distribution equipment and protective materials GB/T 17219-1998

Q:What is the difference between Z41X gate valve and Z45X gate valve?: All flange soft sealing gate valve, but 41X is Ming bar, 45X is dark pole

Q:Gate valve z11h/y-16 what does that mean?: Product Name: internal thread gate valveItem number: Z11HProduct specification: DN15-50Product pressure: 1.6MPa-2.5MPaMaterial: cast iron, cast steel, stainless steelInternal thread gate valve nominal pressure 2.5Mpa, applicable temperature range -20-232-350, applicable medium: water, oil, gas and certain corrosive liquid (W.O.G), thread type G.NPT.BSPT.BSP.DIN259/2999.

Q:Is the gate valve flanged?: The most commonly used gate valves are threaded connections, flanged connections, and welded connections.Like the outer thread connection, the clamp connection, the card sleeve is seldom used.

Q:What do you mean by forged steel gate valves 800LB DN20 SW?: Forged steel gate 800LB pressure DN20 is by SW said socketweld (connection)

Q:Function of gate valve: Is the gate valve opening and closing parts, RAM direction of motion perpendicular to the direction of the fluid, valve can only be fully open and fully closed, can not be adjusted and the throttle.

Q:What are the types and product categories of knife gate valves?: Definition of knife gate valve:Knife gate valve called knife type valve, knife gate valve, slurry valve, slurry valve, it is a gate opening and closing parts, RAM direction of motion perpendicular to the direction of the fluid, by the blade shaped gate can cut fiber material to cut off the media, there are two gate sealing surface, the valve gate pattern is the most common the two sealing surface to form a wedge, the wedge angle varies with the valve parameters, usually 5 degrees, the wedge type knife gate valve can be made into a whole, called the rigid gate; can also be made to produce micro deformation of ram, in order to improve its process of deviation, make up the sealing surface angle in the process. This gate is called the flexible gate.

Q:Acid resistant alkali valve gate valve: D is small in shape and beautiful in appearance.E operation is simple and labor-saving.

Q:What is a protective gate valve? What is gate valve knowledge?: it is up to the function of a single valve can not reach the exit of the product is installed in the water supply pipe and the head of civil air defense to conveying medium to stop, wave and wave combination, to prevent internal shock wave into the system engineering facilities, so as to eliminate the destructive shock wave, to protect the system facilities normal operation and safety protection purpose.

Q:Internal screw current limiting gate valve (Tan Gang) PN5.0 DN15/ Phi 1 Rc1/2 what does that mean?: We did thatInternal thread current limiting gate valve (Tan Gang)Body material: carbon steelPressure rating: PN5.0 = 300LB American StandardNominal = DN15 = 1/2"Phi 1 = in the middle of the gate drilling a Phi 1 hole, so that in closing there will be a certain flow, that is, the minimum flow, that is, the current limit.Rc1/2 is thread, which is the connection

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