• ductile iron butterfly valve Tianjin System 1
  • ductile iron butterfly valve Tianjin System 2
ductile iron butterfly valve Tianjin

ductile iron butterfly valve Tianjin

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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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1.Size:DN40(1.5")-DN1000(40") 
2.FOB Tianjin: $8.6-$5390.1/set 
3.A/LT Wafer Butterfly Valve 
4.PN10/16, ANSI125/


Body is cast iron or ductile iron.

 

Disc is ductile iron or SS304 or SS316 or bronze or duplex steel.   

 

Seat is EPDM or NBR or PTFE or viton or other rubbers acc.to your requirements.

 

 

 

Standards:

 

Design & Manutacture acc. to API609, MSS SP-67, BS5155, BS EN593.

 

Face to Tace acc. to DIN3202, API609, MSS SP-67, BS5155, BS EN558.

 

Top Flange acc. to ISO5211.

 

Pressure test acc. to API598, BS EN12266-1, DIN3230, BS5155.

 

Side Flange acc. to DIN2501, ANSI125/150, AS2129, BS4504, BS10D&E, JIS10K

 

 

Features: 
1. Small in size and light in weight, easy instillation and maintenance. It can be mounted wherever needed
2. Simple and compact construction, quick 90 degrees on-off operation
3. Minimized operating torque, energy saving
4. Flow curve teeing to straight line, excellent regulation performance
5. Long service life, standing the test of tens of thousands opening/closing operations
6. Bubbles-tight sealing with no leakage under the pressure test
7. Wide selection of materials, applicable to various mediums

Materials List of DN40-DN350:

ductile iron butterfly valve Tianjin

Technical Data of DN40-DN350

ductile iron butterfly valve Tianjin
Materials List of DN400-DN600

ductile iron butterfly valve Tianjin

 

Technical Data of DN400-DN600

 

ductile iron butterfly valve Tianjin

 

Materials List of DN700-DN800

ductile iron butterfly valve Tianjin

 

Technical Data of DN700-DN800

 

 

ductile iron butterfly valve Tianjin

 

Materials List of DN900-DN1000

ductile iron butterfly valve Tianjin

 

Technical Data of DN900-DN1000

 ductile iron butterfly valve Tianjin



Q: Is the valve clockwise?
The valve that can rotate is the principle of screw and nut. We can see that the switch is also buckled, so it is counterclockwise, the net is rotated out, clockwise downward, so it is off.
Q: What does the PN on the valve mean?
1, mark "ON25" and "PN16" respectively what does that mean? 2, the valve above has an outer six corners, so PN16 refers to the nominal pressure of 16 kg valve. Valves on the fittings are standard parts, special
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.
Q: the valve to an electrical signal, with this signal to control other components, ask: what valve?
It seems that this is not a valve, it should belong to the flow switch
Q: What does the RF of the valve mean?
The RF of the valve represents the form of the sealing surface, which means: protrusion.
Q: I used to do pumps, and now feel the future of the valve better, looking for a valve to do proxy, but my own economic strength is not good, I do not know if there is no possible to do?
As the two floor said, looking for agents depends on your targeted customer base is better sign is the price of comparative advantage of the brand. Now the valve on the market in Fujian, Wenzhou. Especially, these valves are faced with the market price, the quality of course needless to say. Maybe these valves would sell large the early recovery of funds, is also rich. But for a long time, the problem appeared, quality problems will make you sleepy fishing, I suggest you. You can't do anything sales quality and good reputation of the valve.In the few I know better. Now the best reputation is Guanlong, but the price comparative advantage or spring.
Q: 1) the valve plate, valve gate valve, the difference (my personal understanding is that if it is on the ball, called the valve, if the valve is called the gate, is actually a meaning in different valve called, please help me understand it right?)2) valve clack. What's the spool?3) the valve seat is welded inside the valve, or is it directly installed inside without welding?4) when opening the valve, if the valve seat is not welded, then, under the pressure of the medium, why not open the seat?.5) excuse me, pressure self sealing (my personal understanding is that when the valve is closed, the valve plate and valve seat depend on the pressure of the media, and they fit together to seal the effect
The first question is basically the same, and you can understand that for the secondThe 3,4 problem, there are several seat connections, such as thread connection (threaded, the valve seat is connected with the valve), modular connection (such as adding the cage to a fixed seat, the crushed) as one of the body and there is (some welding). The valve seat must be fixed.The fifth question, you are right!
Q: Automatic exhaust valve installed in the pipe before and after the installation of other valves need to press it?
In general, the exhaust valve (large diameter) and a maintenance valve, normally open,
Q: What kind of valves are best used for sand drain valves?
Suzhou ATW Valve Co. Ltd production of sealing ball valve, Suzhou ATW Valve Co., according to the condition of solid particles, long-term research and in practice, and achieved good results in the condition of solid particles. You can try!
Q: Is there any difference between the valve and the water valve?
Oil valve with water valve is that the oil valve is over the oil, and the valve is over water, the type of fluid is not the same.Valve (Famen) is a control component in the fluid delivery system. It has the functions of closing, adjusting, guiding, preventing reverse flow, stabilizing voltage, shunting or overflow and releasing pressure.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..

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