Ductile iron valve ,gate valve

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Tianjin
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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:What are the ten major brands of China's valves?
If you want to buy fluorine valve, you can go to Shanghai corrosion-resistant valve group Co., Ltd., and what questions contact me?!
Q:How about leaking water pipe valve?
It depends on where the place is leaking.1, if it is household valveA, the valve and pipe connections at the leakage, in the connection, do not rub tape (the best counter clockwise direction, so that when the valve is connected, the more twisted the more tight) ;B, if the valve itself in the leak, there are ways, it is necessary to open the valve, in which to add sealed or O ring, but it is recommended to replace a more convenient.2, if it is industrial valvesA, industrial valves leaking, if not the valve itself in the leak, then in the valve and pipe connections to join the sealing ring,B, if the valve itself is leaking, it is best to return to the manufacturer for maintenance, if not convenient, then only the manufacturers to come here for maintenance.
Q:What do the D373W and D373H of the valve mean?
Upstairs said yes, I have factory production, this butterfly valve.
Q:What's the valve specification DN20?
You should be asking, how many inches?DN20 is 3/4
Q:What kind of industry does valve belong to?
The valve belongs to the equipment of the mechanical pipe, to be exact, belongs to the instrument and meter
Q:How about the quality of FITOK valves?
The United States fitok valve is the main valve and needle valve, globe valve instrument and meter tube also do.The quality of foreign valves are still good. Everyone thinks French valves are better than American ones. But the price is not cheap
Q:Valve and pipe correspondence
If the valve from the opening and closing role, then the valve bore should be the same diameter with the pipe, big waste, small, increase resistance.If the role of the valve is adjusted, and that caliber will be different from the pipe diameter, this is not to reduce the cost of the problem, is a result of calculation, and this calculation results with flow, pressure drop and valve resistance curve.For example, control valve, usually smaller than the pipe diameter, such as pressure reducing valve, will be smaller than the pipe diameter to two.
Q:What is the KVS in the valve parameter?
The valve Kvs is to reflect the passing capacity of the valve, which is defined as the pressure at both ends is 1bar, through the flow of the valve, Kvs is a characteristic parameter of the valve, and valve structure, is a constant value.
Q:Is there any problem with connecting the geothermal valves with other geothermal pipes?
Can be universal,Material is the same, the fuse will not cause shrinkage when you can use
Q:What is the difference between the adjustable range of valve 50:1 and 100:1?
Adjustable ratio is also called adjustable range, if to R to indicate, then R=Qmax/Qmin should pay attention to the minimum flow, Qmin and leakage of different meanings. The minimum flow refers to the lower limit of adjustable value, it is generally the maximum flow rate of Qmax 2%~4%, and the leakage is fully closed when the leak valve, it is only the maximum flow rate of 0.1%~0.01%.Adjustable range 100:1 generally can not reach, the accuracy of this valve is very high.

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