Butterfly Valve Without Pin Ductile Iron DN260

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Tianjin
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TT OR LC
Min Order Qty:
50 set
Supply Capability:
50000 set/month

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Product Description:

Centerline structure,pinless double half shaft design.
Disc has two-way bearing, no installation direction requirements.
Non-backed replaceable seat with good performance and a longer working life.
Square and short neck for lable use and cost saving.
Easy installation, no need flange gasket.

 

SizeDN50mm-DN600mm
Design standardAPI609/EN593
End flangeDINPN10/PN16, BS4504PN10/PN16, ANSI class125#/class150#
Face to faceAPI609/EN558-1
Top flangeISO5211
BodyDuctile iron/Cast iron
DiscDuctile iron/CF8/CF8M/C95400/C95500
StemSS420
SeatEPDM/NBR/Viton/PTFE
ActuatorBare shaft/Lever/Gearbox and handwheel
CoatingEpoxy/Nylon/PTFE
PinWith out pin
Suitable mediumWater/Seawater/Sewage/Air/Foodstuff/Oil

 

 

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Q:What type of valve does the butterfly valve D343X DN300 represent?
D- butterfly valve, 3- worm drive, 4- flange connection, 3- three eccentric, X- soft seal, DN300- nominal size is 300, the full name is 300 of the three eccentric butterfly valve, and I hope to help you.
Q:Does the wet alarm valve group need to install the signal butterfly valve?
The wet alarm valve group shall be equipped with signal butterfly valve.The signal butterfly valve is generally installed in two parts: floor level, dry pipe, flow indicator front end, trunk pipe, wet alarm valve, front end.Floor level pipe installation is a function of the signal valve, when the floor spraying system needs repair, close the valve, open the end of the floor drain, emptying the water in the spray system, maintenance;
Q:What do you mean by manual butterfly valve DN100 D341X-10?
DN100 refers to the inside diameter of the butterfly valveD stands for butterfly valves3 represents the turbine drive4 represents the flange connectionThe 1 represents straight throughX is the representative of the Dengqen rubber seal10 represents the pressure of 1.0Mpa (10 kg)Butterfly valve (English: butterfly valve) refers to the closure of parts (valve or butterfly plate) for the disk, around the valve shaft to achieve rotation and closure of a valve, the main cut off on the pipe and throttling. Butterfly valve headstock is a disc shaped disc, in the valve body around its own axis of rotation, so as to achieve the purpose of opening or closing or regulation. Butterfly valve is fully open to fully closed is usually less than 90 degrees, butterfly and butterfly stroke itself has no self-locking capability, in order to position the disc to install the valve stem on the worm gear. Using worm gear reducer, not only can the butterfly plate have self-locking ability, so that the butterfly board stops at any position, but also can improve the operation performance of the valve.
Q:Butterfly valve D41W-1, 41, W, 1, respectively, what does that mean?
This butterfly valve in our factory called butterfly, 4 represents the connection of the flange connection flange is French, 41 in 1 on behalf of butterfly valve, W represents the body seal, is C that is actually the correct type of cast steel, should be D41W-1C. Suitable for ventilation, smoke, and these media.
Q:What is the principle of butterfly valve and check valve? Any difference?
Crown valve pressButterfly valve is butterfly valveThe check valve is a check valveButterfly valve is mainly switching functionThe check valve mainly stops the pipe from flowing backwardsThe two can only be said to be valvesThe others are different
Q:What's the difference between the three eccentric butterfly valve and the two eccentric butterfly valve?
Double eccentric butterfly valve refers to: valve plate and central axis partial, simply said that there are two parts of the butterfly valve.Three eccentric butterfly valve, there are three places are biased
Q:What's the difference between butterfly valves and check valves?
Butterfly valve is manual, only switch function.The check valve is an automatic valve, which prevents backflow of the pipe medium.
Q:How can I get the fire signal butterfly valve?
After the switch is closed, the alarm is output through the output module.
Q:Especially butterfly valve
Butterfly valve headstock is a disc shaped disc, in the valve body around its own axis rotation, so as to achieve the opening or closing or adjustment; actuators have electric or pneumatic, and so on, through the transmission device to drive the stem, valve plate rotation;
Q:What is an electric two position butterfly valve?
Answer for you:Shanghai Huquan electric valve manufacturer of electric double position butterfly valve this product is connected with the flange clamp. Material: cast iron, carbon steel, stainless steel, 304/316Product overviewElectric double position butterfly valve (soft seal) is suitable for temperature less than 200 DEG C, adjust the flux and closure of the role of the medium nominal pressure is less than 1.6MPa of food, medicine, chemical, petroleum, electric power, textile, papermaking, water supply and drainage, gas pipeline.main features1., the design is novel and reasonable, unique structure, light weight, fast opening and closing.2., small operation torque, easy operation, labor-saving and smart.3. can be installed in any location, easy maintenance.4., seals can be replaced, sealing performance is reliable, to achieve two-way sealing, zero leakage.5., sealing material aging resistance, corrosion resistance, long service life and so on.Electric double position butterfly valve adopts standardDesign standard: gb/T12238-1889Flange connection size: gb/T9113.1-2000; GB/T9115.1-2000; jb78Structure length: gb/T12221-1889Pressure test: gb/T13927-1992; jb/T9092-1999

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