butterfly valve Wafer Type Check

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Quick DetailsStandard or Nonstandard:  Standard Structure:  Gate Pressure:  Medium Pressure

Power:  Manual Material:  Casting Temperature of Media:  Medium Temperature

Media:  Water Port Size:  DN40mm-DN300 Place of Origin:  China (Mainland)

Model Number:  GF4 resilient gate valves:  resilient seat flange


Packaging & DeliveryPackaging Detail: air plastic bag inside/wooden box outside

Delivery Detail: 15-60days


SpecificationsDIN3352 F4 resilient seat flange gate valves

1.s:DN40-DN300 ize

2.medium:water

3.standard:DIN

4.certificate:ISO9001 CE


resilient gate valves

1.size:DN40-DN300

2.medium:water

3.certificate:ISO9001 CE

4.standard:DIN


available medium:water

working temperature:≤80oC


flange dimensions:DIN2501


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Q:What type of butterfly valves do you have in DN125?
Three eccentric PTFE sealing flange butterfly valve, three eccentric hard sealing flange butterfly valve, clip butterfly valveWorm, D343F-16C, snail, D343H-16C, manual, D71X-10, D71J-10Pneumatic D643F-16C pneumatic D643H-16C worm, D371X-10, D371J-10Electric D943F-16C electric D943H-16C pneumatic D671X-10 D671J-10Quick release valve, KTOD643F-25C quick opening valve, KTOD643H-25C electric D971X-10, D971J-10Quick closing valve, KTCD643F-25C fast closing valve, KTCD643H-25C pipe network, GD971X-10 GD971J-10Anti theft GDS971X-10 GDS971J-10Long rodWorm CD343F-16C long poleWorm CD343H-16C long poleThe cochlea is CD371X-10 CD371J-10Long rodElectric CD943F-16C long rodElectric CD943H-16C long rodElectric CD971X-10 CD971J-10Wait a minute, that's enough for your reference
Q:How can one - way sealed butterfly valves and two-way sealed butterfly valves be distinguished?
One way sealing butterfly valve is the front of the butterfly valve. When it closes, it must face the direction of the medium. The medium flows only in one direction, and the arrow on the valve body indicates the direction of the flow direction of the medium. Attention should be paid to the flow direction of the medium during installation. The two-way sealing butterfly valve is that the butterfly plate can face or back the direction of the medium, and the installation needs no attention to the direction of the flow of the medium, and the valve body also has no indication of the direction of the flow direction of the medium. Two way sealing butterfly valve stem force is greater than one-way butterfly valve stem. Design, the same diameter, pressure butterfly valve, two-way sealing butterfly valve stem diameter than one-way sealing butterfly valve stem diameter.
Q:Check valve; flexible joint `; installation order of electric butterfly valve
The flexible rubber pipe joint is first, then the check valve, the electric butterfly valve and the gate valve.
Q:Butterfly valve D41W-1, 41, W, 1, respectively, what does that mean?
D--- stands for butterfly valves; 4--- refers to the form of flange connections; 1--- refers to the valve stem and disc in the center of the valve line, without eccentricity; w--- refers to the valve seat material and body material is the same, usually carbon steel. The final 1--- refers to the nominal pressure of 1 kg / cm2.
Q:Where are the exhaust valves, mud valves and butterfly valves?
The exhaust valve is suitable for the pipeline with working medium, so as to improve the efficiency of the water conveyance equipment and protect the pipe from deformation and rupture. Sludge discharge valves are suitable for use in floating waste water treatment plants, such as gypsum. Slag, scale power stations, smelters, sugar mills.
Q:How do you explain A in butterfly valve D37A1?
Represents a seal or lining material symbol.Said sealing ring or lining material with the Chinese phonetic alphabet: B Babbitts D nitrided steel, acid resistant stainless steel H, J L Aluminum Alloy, hard rubber, nylon NL, P leather, SA PTFE, SC PVC, SD bakelite, T copper, TC enamel, X rubber, Y hard alloy
Q:How does PLC control butterfly valves?
PLC control butterfly valve, usually control pneumatic butterfly valve or electric butterfly valve.PLC control pneumatic butterfly valve, that is, PLC program control, electric control, gas control, gas control butterfly valve;PLC control electric butterfly valve, that is, PLC program control electric, electric control butterfly valve.Control requirement:All PLC output contacts must be isolated from the intermediate relay and indirectly controlled by an intermediate relay.
Q:Which is better, the round two lobe butterfly valve?
The company has advanced sheet metal CNC processing line, strong technical force and strong production capacity. At present, the main products are: air outlet, air valve, muffler, fire damper, static pressure box, wind box, etc.. Especially round type double butterfly butterfly valve has obvious advantages.
Q:What is the working principle of the electric butterfly valve, and what's the difference between the butterfly valve and the butterfly valve?
What's the difference between a worm valve and a manual butterfly valve?The turbine can light and close the valve here. It is more labor-saving and reliable. It is closed and open. Manual operation is relatively difficult, but the manual action is very fast. Fast switching.
Q:Should I connect the butterfly valve before and after the pump? Or gate valve?
1, valve, the fluid resistance is small, the sealing surface by the erosion of small and medium Chong brush. 2, opening and closing more effort. 3, medium flow unrestricted, no disturb, do not reduce pressure. 4. The shape is simple, the structure length is short, the manufacturing technology is good, and the scope of application is wide. Butterfly valve main deficiency is that it uses the pressure and temperature range is small. And poor sealing. Therefore, the gate valve should be preferred.Gate valve (gatevalve) is a gate valve used to open and close parts, and along the vertical axis of the valve seat movement, in order to achieve the opening and closing action of the valve. The valve can only be fully open and fully closed, opening and closing parts is the gate, the direction of motion perpendicular to the direction of the fluid, valve two square I-shaped sealing surface forming the wedge, the wedge angle varies with the valve parameters, usually 5 degrees is not high, medium temperature is 2 degrees 52'. Improve the process of valve, make up the sealing surface angle in the process of production deviation, this kind of gate is called flexible gate.

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