Ductile Iron flanged Butterfly valve DN900

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Tianjin
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TT OR LC
Min Order Qty:
200 set
Supply Capability:
10000 set/month

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Product Description:

 

SizeDN40mm-DN1400mm
Design StandardAPI 609
End flangeEN1092 , ANSI 125/150# , DIN2501
Face to faceEN 558-1, BS5155 , ISO 5752
Top flangeISO 5211
BodyDuctile iron,Stainless steel,WCB
DiscDuctile iron,CF8,CF8M,C95400,C95500
StemSS416,SS420,SS431,SS316
SeatNBR, EPDM, WRAS-EPDM
Suitale mediumSewage, Sea water, Air, Foodstuff and Oil

 

1) Sizes:

 

     DN40mm-DN1400mm
2) Materials:
     a) Body: CI(cast iron ,GG25 )   /   DI (ductile iron ,GGG40)

     b) Disc:  DI / CF8 / CF8M / C95400 
     c) Seat:  EPDM / NBR / TEFLON / VITON

 

3) Features:

 

    a)Cast hole. Flange connection meet ANSI 125/150#    DIN PN10/16     BS4504 PN10/16 in the meanwhile.

 

    b)Soft seat. Replaceable.Increase of service life.

 

    c)Double half shaft without pin.

 

    d) Square and short neck. Easy to stick scutcheon and cost saving.

 

 

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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:What is a Valve Adjustment?
Some cars have little hydraulic gizmos to keep the valves more or less where they're supposed to be. Doing without them is, according to some, a tad more precise, but you have to have the valves checked now and then. (On my old Celica, it was a 60k maintenance item.) It will probably run a hair better afterwards.
Q:What is the medium flow rate when the centerline butterfly valve is fully open?
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.
Q:Butterfly valve network and ordinary butterfly what is the difference?
1. The butterfly valve of the pipe network adopts an eccentric structure. When closed, it has the function of closing and tightening. The sealing performance is reliable. After opening and closing, the cover is completely sealed, and the cover is completely out of contact, so as to ensure that the sealing surface is not damaged.2, the sealing surface is made of stainless steel, corrosion resistant, high temperature resistant, long service life. With two-way sealing function, medium flow is not affected by the installation restrictions (if only one-way control medium should be used to seal the installation direction) is not affected by a single space, can be installed in the any direction.
Q:The difference between vertical and horizontal butterfly valves in municipal water supply
Function is no difference, mainly the installation conditions are not the same, vertical valve shaft in the vertical direction, the valve well on the deep, horizontal valve shaft in the horizontal direction, the valve width to be larger, and the other is no difference
Q:Is a valve gasket the same as a valve cover gasket?
here okorder.com/... usually you can tell when a car needs the gasket to be replaced because it will leak oil where the gasket is at the bottom of the cover i think hes ripping you off because cars usually dont need to have the valve cover replaced, just the gaskets so take it to another mechanic and get another estimate
Q:Types of butterfly valves
Butterfly valve structure categories: central to clip butterfly valve, central flange butterfly valve, single eccentric butterfly valve, double eccentric butterfly valve, eccentric butterfly valve, soft sealing butterfly valve, hard sealing butterfly valveButterfly drive categories: handle, worm gear, electric, pneumatic, electromagnetic, electromagnetic, hydraulic, electro hydraulic, hydraulic, hydraulic, pneumatic
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 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:Tight valves?
unless they have been tampered with that wouldn't be it,they usually wont tighten up on their own,i would suspect maybe a valve with a slight burn place on it that's causing that to happen or a ring causing you to loose that much compression,try adding a small amount of oil in the cylinder and then do the compression test again,that will tell you if its a ring or a valve,that's a big loss of compression ,and when you see that much of drop its usually a burnt valve.good luck.

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