butterfly valve China (Mainland)Standard 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:DN80 flange butterfly valve, DN80 flange butterfly valve DN80, flange butterfly valve DN80 what is the difference?
Of course there are differences, the general market sales of the DN80 are many flange plate copper rod butterfly valve, quality can not reach the national standard, to use copper rod copper butterfly valve quality is king.
Q:Butterfly valve network and ordinary butterfly what is the difference?
Pipeline butterfly valve is turntable upward, like the gate valve, can be installed in the ground, the ordinary turntable is left or right.
Q:1989 chevy silverado 2500 need to change valve seals?
First find out if that is the issue. Do a wet/dry compression on all the cylinders. That is where you do a compression test on all the cylinders and write them down. Then squirt about three pumps of oil from a oil can into each cylinder and retake the compressions. If the compressions don't change and are low, the valves are burnt and you need a valve job. If the compressions go way up after the oil seals the rings, then the piston rings are bad and the engine needs rebuilding and that may be where the oil smoke is coming from. If all the cylinders are within 20 psi and runs good, then it may be your valve guide seals are bad. You can replace them without pulling the heads. You can go to an auto parts store and buy a valve spring compressor that is used while the head is on the block. It has an air fitting that screws down into the spark plug hole and when filled with compressed air, holds the valves up while you remove the spring and replace the valve guide seal.
Q:How to use the fire butterfly valve properly?
Clamp and groove type and signal butterfly valve, the first two have what requirements of installation, the operating handle can rotate to open and close the valve installation, signal wiring, mouth down, to prevent water and caused a short circuit three line grounding and alarm line for leakage protection and monitoring of the valve open or closed, general are in line with the alarm valve or flow indicator matched with water, indicating the spacing of not less than 300mm, no other special requirements
Q:What's the difference between a clip on handle butterfly valve and a turbo butterfly valve? Where are they used?
Depending on the size of the valve and the opening and closing torque, the transmission mode is different (handle or turbine).
Q:What type of valve does the butterfly valve D343X DN300 represent?
D butterfly valve3 worm gear drive4 flange connection3, three eccentric structureX the rubber cover is rubberAccording to JB/T308-2004< valve model compilation method >
Q:What's the difference between D71X-16 and D71H-16 butterfly valves?
First, model D71X model means that, on behalf of 7 representative D butterfly valve, butterfly valve connection form for clamp connections, 1 straight, X represents the seal in the form of soft sealing, the sealing surface usually NBR H metal seal is usually 2Cr13 16 represents the pressure of 16 kg pressure weldingJin Ya valve is the production of hard sealing butterfly valve or soft sealing butterfly valve line leader, what problems can ask their units, technicians will answer for you
Q:How many kinds of butterfly valves are there?
Also known as butterfly valve, control valve has a simple structure, can be used for low pressure pipeline valve switching control is closed parts (disc or disc) is a disk, around the valve axis to achieve the opening and closing a valve, the valve can be used to control the flow of air, water, steam steam, all kinds of corrosive medium, mud, oil, metals and radioactive liquid media and other types of fluid. On the pipeline, mainly from cutting 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.[structure]The utility model is mainly composed of a valve body, a valve stem, a butterfly plate and a sealing ring. The valve body is cylindrical and has short axial length and is internally provided with a butterfly plate.
Q:Big block, solid lifter, valve clearances?
Because you apparently have a built engine here rather than a factory assembly which simply has solid lifters, and the data you have is either inconclusive or conflicting then I will recommend the following procedure: Assemble them cold and adjust to Intake .010 and exhaust .020. After firing up the engine, adjust the carb, if it is so equipped, to a smooth rich idle and run it in for a couple of hours mixing idling with moderate load and a few full throttle pulls through 2nd gear to seat the rings. Bring it back into the shop good and hot and set the valve clearances at .008 intake and .016 exhaust hot. After adjusting the valves readjust the idle to 700 RPM and set the timing. initially set the timing at about 2 degrees BTDC until you hav run in the engine, If you are without clear specifications for timing use a vacuum gauge and play with it between 2 and 10 degrees BTDC with the vacuum advance disconnected and plugged, you are looking for the highest vacuum at idle as a starting point. Run it hard including lugging it in high gear at around 2500 to 3500 rpm at or near full throttle, if you are getting spark knock back it down 2 degrees at a time until it does not knock when lugged. If you get no spark knock when lugging it you might try advancing the timing 2 degrees above the vacuum indicated optimal setting but do not go beyond that point. After setting the valves and timing readjust the carburetor to the best lean idle and set to 650 to 700 rpm depending on where it feels comfortable. In the old days a lot of this was done totally by ear - hence the term engineers. Today I think most holders of that revered title do not have a clue where the term came from.
Q:Valves in a I4 or V6 engine...?
All engines require one intake and one exhaust valve per cylinder. Period. That said, some engines are equipped with two intake and two exhaust valves per cylinder. So a four cylinder engine will be labeled as either an 8 valve or a 16 valve engine. And so forth for a six cylinder or an eight cylinder engine. In the motorcycle world, there are the rare engines equipped with either three valves per cylinder or five valves per cylinder. So if a manufacturer is advertising the number of valves per cylinder right on the car or engine, you can bet that engine is equipped with four valves per cylinder. 4 valves per cylinder is more expensive to manufacture than a 2 valve engine, but there is better performance with 4 valves per cylinder. To the last part of your question, 24 valves equates to a 6 cylinder engine. 24/4 = 6 (cylinders). I know of no engines with 6 valves per cylinder. Also Altimas are not available with 8 cylinder engines. Good Luck

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