CNBM DUCTILE IRON VALVE BS 18''-20‘’

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Packaging & Delivery

Packaging Detail:

plywood case

Delivery Detail:

30days after recieve your deposit

Specifications

1.Face to Face:BS5163
2.Material: Cast iron
3.Nominal Pressure: PN16
4.Stem Material:Stainless Steel
5.Flange End:2"-24''

Product Description

rising stem gate valve, metal seated gate valve
BS5163 gate valve
Cast iron gate valve
Rising stem gate valve,

Product name:

Rising stem gate valve

BS5163 gate valve

Cast iron gate valve

OS&Y gate valve

BS rising stem gate valve

BS gate valve

resilient seat gate valve

Material

Body: CI or DI

Disc: CI or DI

Seat: Brass/Bronze

Stem: stainless steel

Standard

Face to face: BS5163:1986,BS5150

Flange: BS 4504&BS10table E or D

Pressure

PN10/16

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Q:What is the gate valve for the DN65 hydrant?
Fire hydrant with 65 butterfly valve, ah, how do you use the gate valve?
Q:Pump adapter generally includes what accessories?
Generally do not require safety valve, just install exhaust valve in individual places.
Q:The difference and use of gate valve and stop valve
Generally large and nominal caliber DN50 mostly with gate valve, especially industrial high temperature, high pressure, highly toxic and so on.Stop valve is able to stop and adjust flow, small footprint, small size, generally less than the nominal diameter, DN50 occasions use it. Two can be closed, in the flow of linear requirements are not high, you can adjust the flow. Just because of its structural characteristics of the valve to make its flow resistance, so there is a demand for throttling with a little more than the gate valve. In addition, the cut-off valve, whether it is a formal or reverse installed, in the opening and closing process, there is always a very difficult, and therefore can not do a great deal, or it is not easy to open and close. In addition, the cut-off valve has a one-way sealing effect of good features, so in the prevention of reverse flow of the working fluid, it also has a place to play.Hope to be of some help to you!
Q:Is the axial force and torque of the wedge gate valve the same?
The sealing performance is good, the gate valve is not easy to be jammed when heated, and is suitable for the parts with frequent switches. B is suitable for steam, high temperature oil and gas medium. C is not suitable for easy coking medium.
Q:The difference between gate valve and butterfly valve, as well as cut-off valve,
Butterfly valve is a disc type of open and close parts reciprocating reciprocating about 90 degrees to open, close and adjust the fluid channel of a valve.Advantages: the butterfly valve has the advantages of simple structure, small volume, light weight, material consumption, installation of small size, and torque is small, simple and rapid operation, and also has good flow characteristics of regulation and sealed off, is nearly 10 years the fastest growing valve, high temperature and high pressure, and to large diameter, high sealing function of the direction, long life, good adjusting features and a valve development.Disadvantages: the butterfly valve relative to the gate, ball valve pressure loss is relatively large, it is suitable for pressure loss requirements lax piping system.Under normal circumstances, it is not suitable for high temperature and high pressure pipeline system.Valve is closed parts (valve) moving along the centerline of the valve seat, the valve stem to open or close the trip is relatively short, but very reliable cut off function, and because changes in the valve seat and the valve stroke is proportional to, is also very suitable for the regulation of traffic.Advantages: in the process of opening and closing, the friction between the disc and the valve body is smaller than that of the gate valve, so it is wearableThe opening height is generally only 1/4 of the diameter of the seat channel, so it is much smaller than the gate valveGenerally, there is only one sealing surface on the body and disc, so the manufacturing process is good and easy to maintain;Disadvantages: the flow resistance coefficient is relatively large, resulting in pressure lossUnsuitable for large caliber productionThe opening and closing moment is larger and the structure length is longer.
Q:What are the common standards for gate valves?
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:Why can't the pressure measuring point be set at the two ends of the gate valve when measuring the resistance loss of the gate valve?
the valve before the pressure measuring point, distance of valve straight pipe length is 5 times the diameter of the valve after the pressure valve, the distance is 10 times the diameter of straight pipe length.
Q:What valve is z45w gate valve?
Z = gate valve4 = connection: flange5 = structure form: dark rod typeW = sealing surface material: same as valve bodyDetails: JB/T308-2004 valve model preparation methods
Q:What is the soft seal gate valve?
General soft sealing gate valve model is Z41X Ming bar. The dark pole is Z45X. They're all for hydraulic purposes
Q:What is an inverted seal gate valve?
The inverted sealing gate valve is provided with an inverted sealing device, and when the valve is fully opened, an inverted seal is formed, and the filling can be changed under the normal operation of the system.

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