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Kelite Group Co., Ltd
Kelite Group is a global manufacturer of ball valve and GGC valves, we also produce OEM products and provide machined components(body,end caps, ball, stem, bearing plate,etc) to overseas. Welcome your
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Triple Eccentric Butterfly Valve Metal Seated Feature Two Directional Flow

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Triple Eccentric Butterfly Valve Metal Seated Feature Two Directional Flow

Brand Name : Kelite Valve
Model Number : 2"-60", CL150-900
Certification : API, ISO, CE, GOST, TS, BS1873, BS5351, API 6D,600,602,609, ASME B16.34, API 6FA, API607 etc
Place of Origin : China
MOQ : 1PCS
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 3000-5000PCS per month
Delivery Time : 30-60days
Packaging Details : Plywood packing or fumigation packing
Size: : NPS 2"~60"
Pressure Rating: : Class 150~900
Material: : WCB, WCA, WCC,WC6, WC9, C5,C12, LCB, LCC, CF8, CF8M, CF3, CF3M, CN7M, CF8C,etc
Design & Manufacturing Standard: : API 609, ASME B16.34, BSEN 593
Face to Face: : BSEN 558, API 609,
Flanged Dimenson : ASME B16.5 ,ASME B16.47, BSEN 558
Test and Inspection: : API 598, BSEN 12266
Operation Method: : Manual ,Worm Gear, Electric Actuator,Pneumatic Actuator
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Triple Offset Fully Metal to Metal Seated Butterfly Valve,two directional flow


The design of renewable seat and seal ring could avoid the valve damaged caused by the wear of seal ring and reduce the cost of use.

Its advantages are anti-wear, anti-erosion and long service life,etc. Kelite butterfly valve suitable for mant poor working conditions such as high pressure and high temperature.

he pressure of bidirectional flow could be afforded to achieve no flow restrictions on the installation.


The first eccentricity:

The deviation between stem rotation center and the seat centerline ensures a tight seal between the seat and disc.


The second eccentricity:

The deviation between sealing cone center and the valve centerline, when the valve opens, can make the butterfly plate leaves sealing surface quickly.


The third eccentricity:

The deviation between sealing cone center and the valve centerline, when the valve opens or closes, can eliminate the friction between the disc sealing surface and seat.


ASME Standard


Design and Manufacture Standard:API 609Inspection Test Standard:API 598
Material Pressure-temp. Standard:ASME B16.34Flange ends:Size≤24” according to ANSI B16.5
Face to Face:Flange Short Pattern to ISO5752 Basic Series 13Dimension Standard:Size≥24” according to ANSI B16.47 Series B
Dimension Standard:Flange Long Pattern to ASME B16.10Fire Safe Standard:API 607

PressureTesting Pressure at Constant Temp.(MPa)Applicable Temp.Applicable Medium

Class

(LB)

Shell TestSeal TestAir Test-46℃~550℃W.O.G. etc.
1503.02.20.6
3007.585.520.6
60015.011.030.6
90022.516.50.6

DIN Standard


Design and Manufacture Standard:DIN 2559Pressure Test:EN 12266-1
PressureTesting Pressure at Constant Temp.(MPa)Applicable Temp.Applicable Medium
Shell TestSeal TestAir Test

Nominal

Pressure

1.01.51.1

0.5-0.7


-40℃~570℃W.O.G. etc.
1.62.41.76
2.53.752.75


GOST Standard


Design and Manufacture StandardJB/8527 API609Pressure TestGB/T 13927 API598
PressureTesting Pressure at Constant Temp.(MPa)Applicable Temp.Applicable Medium
Shell TestSeal TestAir Test

Nominal

Pressure

1.01.51.1

0.5-0.7


-40℃~570℃W.O.G. etc.
1.62.41.76
2.53.752.75

Characteristics


Triple eccentricity refers to an angle eccentricity added on the basis of the double eccentric structure, as the butterfly valve sealing surface shows an oblique cone. This structure is characterized by the outer side of the disc to be processed into an oblique cone, and also the inner side of the sealing seat is processed into an oblique cone. At this time, the section of the valve sealing surface the becomes oval, thus the shape of the disc sealing surface is under the vertical asymmetry. Because the sealing surface is the oblique cone, the large part of the disc separated by the stem shaft presses the seat upwards along the large inclined surface, and the large part of the disc presses the seat downwards along the small inclined surface. The seal between the disc sealing ring and the seat does not rely on the elastic deformation of the seat, but completely depends on the compact of the touching surface. So there is no friction in the process of the triple eccentric butterfly valve basically opening and closing, and the valve closes tightly with the closing pressure increasing. It is obvious from the principle and structure of the triple eccentric butterfly valve, the triple eccentric butterfly valve has the following advantages:

1) The sealing performance and reliability of the system are improved.

2) The friction is low, and the valve opening and closing flexibly.

3) The valve service life is longer and it could switch repeatedly.

4) The resistance of pressure and high temperature is improved, and the range of applications is wide.


Characteristics


1. Kelite butterfly valve is characterized by simple structure, small volume and light weight, and it is easy to install and adjust.

The valve is widely used in the medium and low pressure pipeline.

2. Good sealing performance,corrosion resistance,high pressure and temperature resistance, smart control and safe use.
3. The unique design of triple eccentricity makes no friction between the sealing surface and extend the valve service life.
4. The elastic seal is produced by the torque.
5. The wedge design makes the valve close more and more tightly by automatic sealing function, and there’s compensation

and zero leakage between the sealing surfaces.


Material for Main Parts


Parts NameMaterial
BodyWCB, 304, 316, 316 L, CF8M,etc.
DiscWCB, 304, 316, 316 L, CF8M, etc.
Stem316, 2Cr13, 1Cr18Ni9Ti, etc.
Sealing Ring316, Fluorine Plastic, etc.
PackingFlexible Graphite, Fluorine Plastic, etc.

Product Tags:

metal seated butterfly valve

      

triple offset butterfly valve

      
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