butterfly valve DN40-DN1200Standard Structure: Butterfly Pressure: Low Pressure

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Standard or Nonstandard: Standard Structure: Butterfly Pressure: Low Pressure Power: Manual Material: Casting Temperature of Media: Normal Temperature Media: Water Port Size: DN40-DN1200 Place of Origin: China (Mainland) Wafer type: butterfly valve Packaging & Delivery

Packaging Details: Plactic bag+Paper cover+Plywood cases 

Delivery Detail: Within 20 days 

Specifications

Wafer type lined butterfly valve 

1.Design standard:ISO,BS,API 

2.DN40-DN1200 

3.PN10/PN16/PN25 

4.Center lined disc 



Wafer type lined butterfly valve 


 


 


Technical Data


DN40-DN1200mm PN1.0-1.6MPa


General Design:ISO 5752 / BS 5155 / API 609


Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel


Seat: EPDM, PTFE, NBR,Viton


Stem: Stainless Steel, Steel,


Disc: Ductile Iron with Nickel Coating,Ductile Iron with Nylon Coating, Stainless Stee 304/316l, Alu-Bronze,Duplex steel


Flange Connection:DIN,ANSI,JIS,BS


 


Product Features


Wafer type flanged body style fit between FF or RF flanges


PTFE bushing ensure the maximum shaft support and centralized alignment


360°polished disc assures positive on-off


Hard-Backed Cartridge seat or Edge-Boot seat


The pin,spline or square connection are all available


Universal ISO 5211 mounting pad.


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Q:Big block, solid lifter, valve clearances?
Your cam dictates the valve lash. What cam is in this engine? Contact the cam company. Most have on-line tec support or a 1-800 customer service department.
Q:What is the working principle of the electric butterfly valve, and what's the difference between the butterfly valve and the butterfly valve?
Signal butterfly valve is generally can achieve full clearance of a valve opening electrical signal output, the general requirements of the electrical signal isPassive electric shock signals are mostly used in fire fighting systems, such as the need for valve position feedback;The electric butterfly valve is not necessarily the signal butterfly valve, because the electric butterfly valve does not have the requirement of the source contact.
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:What's the difference between electric butterfly valve and electric two way valve?
The valve can only be fully open or fully closed, so the controller only need a 1/4 angle stroke in control, so you only need to open and closed position control. The butterfly valve can be opened and closed at any position within 90 degrees, so a positioning device is needed on the electric head. If the valve is used (such as double eccentric butterfly valve or three eccentric), due to the eccentric effect, need to always have a butterfly valve opening and closing positions to control the torque of Disc Edition in the stem, especially in the valve closed to non preferred direction needs a torque to ensure the butterfly valve, which requires control device to provide a torque to make butterfly valve position or seal. Therefore, the ball valve only needs to drive device to meet the opening and closing, two positions can be, and butterfly valve but in the switch of the whole trip in the control.
Q:Model specification for butterfly valves
Butterfly valve type to clip type:D7A1XR-16 50mm-1200mm D7A1XD-16 50mm-1200mm D7A1XN-16 50mm-1200mm D7A1FR-16 50mm-1200mm D7A1FD-16 50mm-1200mm D7A1FN-16 50mm-1200mm 偏心式 :D73F-16 50mm-300mm
Q:The difference between gate valve and butterfly valve, as well as cut-off valve, what are their applicable conditions? Advantages and disadvantages?
The gate valve is one of the simplest valves. Generally manual, most of the electric valve failure, as a manual. Butterfly valve is more, I saw the pneumatic butterfly valve, that is, with gas control closed, general and solenoid valve matching.
Q:Why anti condensation of aluminum alloy anti condensation butterfly valve?
Anti condensation butterfly valve multi-level unique progressive contact seat design, the valve plate in close contact in the process of gradually seat, ensure good sealing performance while reducing unnecessary torque, and the butterfly plate of stainless steel and the inner parts, thereby prolonging the service life of the valve seat, has strong rust and corrosion function. Torque reduction enables the drive to be lightweight and miniaturized. Unique stem seal prevents fluid leakage.
Q:How does the pneumatic butterfly valve control the angle of opening?
This is really not good, control seems to be pneumatic defects, can only rely on the feeling
Q:Is the pressure test of the centerline butterfly valve checked or checked?
GB/T12238-2008 flange and clip connection elastic seal butterfly valveRules: butterfly valve must be carried out by factory inspection and testing, inspection qualified before leaving the factory.CJ/T 261-2007 "butterfly valves for water supply and drainage."Rules: each product shall be inspected by factory and quality inspection department in accordance with table 4. After inspection, the product certificate shall be attached to the factory before leaving the factory.
Q:What is the national standard for clip butterfly valves?
GB/T 12238-2008 "flange and clip connection elastic seal butterfly valve"GB/T 26144-2010 flanged and clip on steel lined fluoroplastic butterfly valvesJB/T 8527-1997 "metal sealed butterfly valve"

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