Ductile iron valve ,gate valve

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Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 PCS
Supply Capability:
1000 PCS/month

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Product Description:

Specifications

Ductile iron gate valve 
1.high quality made in China 
2.Factory directly supply 
3.Competitive price

gate valve product description:

1.gate valve product material list:

1 Body :Ductile Iron

2 Bonnet :Ductile Iron

3 Seal Retainer :NBR

4 Gate :Ductile Iron (EPDM Encapsulated) 
5 Spindle :Stainless Steel

6 Spindle Cap :Ductile Iron

7 Thrust Washer :brass
8 Body Gasket :NBR /EPDM 

9 Bonnet Gasket :EPDM

Additional content

elastic sealing flange coupling type valve(design)according to DIN3352-F4    
face to face length according to DIN3202-F4 or ISO 5752 14 Series   
flanged drilled (end flange)according to DIN2532/2533 or BS EN 1092   
valve body and valve cover of ductile cast iron   
wedge disc of ductile cast iron with EPDM(or NBR )   
stem of stainless steel(2cr13),thrust bearing of copper   
shaft sealing of NBR O-rings   
coated with epoxy(inside and outside electrostatic spraying with epoxy)with handwheel.

2.Gate valve features:

1) The check valves supplied are mainly used for preventing the water and steam medium from flowing backward

2) Material:

a) Valve body and bonnet: ductile iron ASTM-A-536, GGG500-7

b) Disc: grey iron/ bronze, grey iron or grey iron/ rubber 

3) Size: 50 - 600mm/ 2" - 24"

4) Pressure grade:PN10/PN16

5) Coating

a) Fusion-bonded epoxy 200-250 microns inside and outside .

b) Coating as per customers' requirement

3. Gate valve sample for free: you should pay for the freight charge for the samples

4. Gate vakve payment term:

a)30% TT upon placing order and 70% TT when the goods are finished but before shipment      or the payment can be 50% upon placing order,and balance 50%upon Copy B/L,.

 b) L/C or D/P


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Q:Comparison of foreign valves, such as Jiang Sen, SIEMENS, Honeywell, Watts, Tyco valves?
Johnson, SIEMENS, Honeywell is mainly in the electric valve inside, because they themselves do automatic control system, so the electric valve matching is strong, but also manufacturers own production, other types of valves they several brands are generally looking for OEM agents do, is not recommended.
Q:What does the torque of the valve mean?
Unit: Newton M. torque is the minimum torque used to turn on the valve. It is the force that opens the valve!The valve that indicates the opening of the PZ73X-10C DN50 requires 5 meters of force.
Q:What's the material of j41h-16p's valve?
The j41h-16p valve is a stainless steel globe valve.The working principle of stop valve:The cut-off valve, also called the door, is the most widely used as a valve, it is popular is because the process of opening and closing the sealing surface friction between the small, more durable, highly open small, easy manufacture, convenient maintenance, not only for low pressure, but also suitable for high pressure.The closing principle of the valve is to rely on the valve bar pressure, so that the valve sealing surface and seat sealing surface close together, to prevent the circulation of media.The one-way valve can only medium flow direction when installing. The structure length of the stop valve is larger than that of the gate valve, and the fluid resistance is large, and the reliability of the sealing is not strong during the long-term operation.
Q:What's the advantage of using three way valves?
A valve can be used to turn on and off and change the flow direction of the medium.
Q:Valve category can fill the trunk door, branch valve Mody?
Valve category refers to the type of valve, the big species are divided into: butterfly valve, gate valve, globe valve, ball valve, check valve, control valve, trap and electric valve,
Q:Symbols for all types of valves
In addition to the throttle valve (L) valve (H) valve (U) valve (Y) of the four types of valves, the other is according to the first letter of the easy to remember the four valve but also second word the first letter and the other valve is repeated with the first letter of a very good record I was just valve knowledge I hope to help you!
Q:What's the difference between a valve and a valve?
In fact, the difference is that a set of valves, including two flanges, bolts, flange pad belongs to a set. A valve just doesn't carry those things.
Q:What does LBC mean in a valve?
Z: gate valve6: connection form for welding1: wedge type single gateY: the sealing surface is cemented carbide800LB: nominal pressure is 800 poundsP: the valve body is made of chrome nickel stainless steel20: nominal diameter is 20 millimetersLB refers to the nominal pressure of the valve, how many pounds, C, P refers to the body material, C refers to carbon steel, and sometimes can be omitted
Q:What does the valve stroke mean?
The distance from one position to another. Usually in the first position of the cut position, the second position is put through the position. Unless the valve has 3 positions.[1] to determine the stroke of the valve is the valve and valve two, closing stroke of its opening height, the valve opening height to diameter of the valve is fully open, 1/3, so the opening height is part size below the path + gate is closed.[2] valve: valve (Famen) is a fluid conveying system control components, with a cut-off, regulation, diversion, to prevent reverse flow, voltage regulation, shunt or overflow, pressure relief and other functions. Valves used in fluid control systems, from the simplest stop valve to a very complex automatic control system used in a variety of valves, a wide range of varieties and specifications. Valves can be used to control air, water, steam, a variety of corrosive media, mud, oil, liquid metal and radioactive media and other types of fluid flow. The valve according to the material is divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316), chrome molybdenum steel, chromium molybdenum vanadium steel valves, valve, dual phase steel valves, plastic valves, non-standard customized valve material etc..
Q:How can the valve actuators be classified?
Various types of valves, with the continuous improvement of various types of equipment, process, the types of valves are still increasing. But generally speaking, they can be divided into two major groups.(1) automatic valve. A valve that moves by itself depending on the capacity of a medium (liquid, air, steam, etc.). Such as safety valve, pressure reducing valve, check valve, steam trap, air trap, emergency shut-off valve and so on. (2) drive valve. A valve operated by hand, power, hydraulic, or pneumatic. Such as gate valve, globe valve, throttle valve, regulating valve, butterfly valve, ball valve, plug valve and so on.

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