• BUTTERFLY VALVE CENTER LINE TYPE WAFER DUCTILE IRON DN50-DN1000 ISO/ BS EN/ DIN/ API System 1
  • BUTTERFLY VALVE CENTER LINE TYPE WAFER DUCTILE IRON DN50-DN1000 ISO/ BS EN/ DIN/ API System 2
  • BUTTERFLY VALVE CENTER LINE TYPE WAFER DUCTILE IRON DN50-DN1000 ISO/ BS EN/ DIN/ API System 3
  • BUTTERFLY VALVE CENTER LINE TYPE WAFER DUCTILE IRON DN50-DN1000 ISO/ BS EN/ DIN/ API System 4
BUTTERFLY VALVE CENTER LINE TYPE WAFER DUCTILE IRON DN50-DN1000 ISO/ BS EN/ DIN/ API

BUTTERFLY VALVE CENTER LINE TYPE WAFER DUCTILE IRON DN50-DN1000 ISO/ BS EN/ DIN/ API

Ref Price:
$50.00 - 1,000.00 / pc get latest price
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
100 pc
Supply Capability:
5000 pc/month

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BUTTERFLY VALVE CENTER LINE TYPE WAFER DUCTILE IRON DN50-DN1000 ISO/ BS EN/ DIN/ API

Quick Details

Standard or Nonstandard:

Standard

Structure:

Butterfly

Pressure:

Normal Pressure

Power:

Manual

Material:

Casting

Temperature of Media:

Normal Temperature

Media:

Water

Port Size:

Standard

Place of Origin:

China

Model Number:

dn 50 to 1000

Brand Name:

CNBM

Application:

General

Product name:

center lined butterfly valve wafer type

Type:

Buttefly

Body material:

Iron

Certificate:

ISO 9001

Size:

Customrized

Brand:

CNBM

Delivery time:

15-30 day

Port:

Tianjin

MOQ:

100piece

Packing:

According to customer's requirment

Packaging & Delivery

Packaging Details:center lined butterfly valve wafer type packing:according to customer's requirment
Delivery Detail:15-30day

Specifications

Center Line Butterfly Valve Wafer Type 
1.Size: DN50 - DN1000 
2.Concentric Disc 
3.Pressure:PN10,PN16

Center Line Butterfly Valve Wafer Type            

1. Driving Device: Available with handles,gear operators,electric or pneumatic actuators

2. Seat : EPDM,NBR,NR, or other

3. Integral Stem Design:Ensures the dependable and positiv disc contriol

4. Disc:High precision disc exterbal profile,reach the requirement of bubble-tight,small start and stop torger usages life of seat

5. O-ring:Primary and secondary stem seal

6. Side Seal:Without flange gasket

 

Feature:

1.Small in size and light in weight,Easy instllation and mintenance,it can be mounted wherever needed.

2.Simple and compact construction,quick 90 degrees on-off operation.

3.Miniminzed operating torque,energy saving.

4.Flow curve tending to straight line.Excellent regulation performance.

5.Long service life.Standing the test of thousands opening/closing operations.

6.Bubbles-tight sealing with no leakage under the pressure test.

7.Wide selection of materials,applicable for various medium.

 

CAST IRON BUTTERFLY VALVES
Material Specification
PartMaterialEN Spec.
BodyCast IronA126 Class B
Ductile IronA536 Gr.65-45-12
DiscDuctile IronA536 Gr.65-45-12
BronzeB148 C95400
Stainless Steel 304A351 CF-8
Stainless Steel 316A351 CF-8M
ShaftStainless Steel 410A276 S410 00
Stainless Steel 431A276 S431 00
Seat RingEPDM /NBR
O-RingEPDM /NBR
BushingPTFE
BronzeB62 C83600
Valve Standard
ISO 5752/BS5155/BS EN 593/MSS SP-67/API 609
Pressure Temprature and Rating
Working Pressure16bar/27.5bar
Testing pressureShell: 24bar/37.5bar
Seal: 17.6bar/27.5bar
Working Temperature-20°C to 110°C EPDM Seat
-10°C to 80°C NBR Seat
Suitable MediaWater, Oil& Gas
Description Products
SizeDN40-DN1200
End flangeANSI B 16.1, EN 1092, AS 2129
Face to faceANSI B 16.10; EN 558-1 Series 20
Top flangeISO 5211
Related products1. Carbon steel nipples and sockets2. Flanges
3. Carbon steel butt-welding fittings4. Pipes
5. High-pressure fittings6. Valves
7. P.T.F.E .thread seal tape8. Brass fittings
9. Ductile iron pipe fittings10. Copper fittings
11. Grooved fittings12. Sanitary fittings, etc.
CertificateBSI, ISO9001:2008,FM,UL
ApplicationsFresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.
Buyer’s drawings or designs are available.
Package1. Cartons without pallets.
2. Cartons with pallets.
Or as buyer’s requirements.
Delivery detail
According to the quantities and specifications of each order.
Normal delivery time is from 30 to 45 days after receiving the deposit.

 

 BUTTERFLY VALVE CENTER LINE TYPE WAFER DUCTILE IRON DN50-DN1000 ISO/ BS EN/ DIN/ API

BUTTERFLY VALVE CENTER LINE TYPE WAFER DUCTILE IRON DN50-DN1000 ISO/ BS EN/ DIN/ API

Q:How do you draw the butterfly valve in the engineering drawing?
Butterfly valve there are many kinds of painting, mainly designed to draw on the staff, according to the design institute out of the icon.
Q:What kinds of butterfly valves are available? What is the working principle of butterfly valves?
At work temperature:(1) high temperature. T>450 degrees C butterfly valve.(2) medium temperature butterfly valve. 120 C<t<450 DEG butterfly valve.(3) normal temperature butterfly valve. A 40C<t<120 degree C butterfly valve.(4) low temperature butterfly valve. One 100<t< one, 40 degrees C butterfly valve.(5) ultra low temperature butterfly valve. T< one 100 degrees C butterfly valve. Www bgfm /df/Divided by connection:1 pairs of clip butterfly valveThe butterfly plate of the clip butterfly valve is installed in the direction of the diameter of the pipe. The valve is fully open.The clip butterfly valve is simple in structure, small in size and light in weight. Butterfly valve has an elastic seal and metal seal two types of seals. Resilient sealing valve. The sealing ring can be mounted on the valve body or attached to the periphery of the disc.2, flange butterfly valveThe flange butterfly valve is a vertical plate structure, and the stem is a sealing ring of an integral metal hard sealing valveFor flexible graphite plate and stainless steel plate composite structure, mounted on the valve body, butterfly plate sealing surface of stainless steel surfacing. The sealing ring of the soft sealing valve is made of nitrile rubber and is mounted on the butterfly plate.3, lug butterfly valve4 、 welded butterfly valveWelding type butterfly valve is a non sealed butterfly valve, widely used in medium temperature less than building materials, metallurgy and mining, electric power production process at 300 nominal pressure 0.1Mpa pipe, used to open and close connected, or adjust the medium quality.
Q:What kind of butterfly valve is sd342x?
Sd342x: two-way double eccentric soft sealing butterfly valveS: two way pressureD: butterfly valve3: turbine operation4: flange connection2: double eccentricX: rubber sealProbably the shape is not so good in appearance,Double eccentric mostly elastic sealThree eccentric is multi-layer sealHope to be of help to youOpened valve Co., Ltd. on the production of butterfly valve
Q:butterfly valves d7a1x5
D71x-1.6? Or D371X-1.6, do you need butterfly valves for production or butterfly valves? The question perplexed us all.
Q:Electric butterfly valve (not take the lead) what do you mean?
Electric butterfly valve, as its name implies, consists of an electric actuator and butterfly valve, and the customer does not take the lead, that is, without the electric actuator, only the butterfly valve can be provided.
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:What is the meaning of the D341*5-10 / 16ZB1 turbine butterfly valve flange said?
Liu1964tg, this guy is right, don't know, don't mislead everybody
Q:What's the meaning of butterfly valve d371po?
According to the provisions of the JB/T 308-2004 valve type programming method:D== butterfly valve3== transmission: worm gear7== connection mode: clip type1== structure: midlinePo== sealing surface material: lining PoPo== propylene oxide (PO)
Q:Have an iron block, aluminum heads, solid roller lifters, Jessel rocker shafts, what should my valve clearances be cold, and hot??
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:Do you use the straight stem butterfly valve in the fire fighting engineering?
Bar valve bar, did not hear the bar with butterfly valve, ah, there are pairs of folder and hand wheel type bar

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