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Metal Seated Segment Ball Valves

Brand : FOYO

Product origin : XIAMEN

Delivery time : 30 DAYS

Supply capacity : 100 PCS

Metal Seated Segment Ball Valves have a special designed v notch ball. The segment V-notch ball provides strong shear force and tight sealing. Depends on different applications.

Specification:

Type

Metal Seated Segment Ball Valves

Size

DN25-DN500(1鈥?20鈥?

Pressure Rating

PN10,PN16,PN25,PN40, PN63, CL150, CL300, CL600, JIS10K, JIS 20K

Body Material

WCB, CF8, CF8M, CF3M

Trim Material

SS304+Chrome Carbide, SS304+Tungsten Carbide, SS304+Stellite

End Connection

Flanged type DN25-DN500 (1鈥?20鈥?

Wafer type DN25-DN250 (1鈥?10鈥?



Typical Applications:

Metal seated segment ball valve is a quarter-turn one-way valve for on-off or control applications. The flow path of ball is designed with a special V notch. With this special V notch, metal seated segment ball valves have precise flow characteristics. Moreover, since the v notch ball and seat is alloy seated, valve will generate a strong shear force between ball and seat when valve is closing. Therefore, FOYO鈥檚 metal seated segment ball valves are very suitable for applications where medium contains fiber or hard solid particles. Typical applications and fields are listed as the following: Pulp & Paper,Petrochemical,Printing & Dying,Pharmacy,Beverage & Food,Slurry.



Design Features:

1. Integral one piece body:

Because of Integral one piece body design, valve is easy to assemble and maintenance, and medium can flow very smooth with little frictional resistance. Wafer and flange connection ends are both available per customer鈥檚 requirement.


2. Special designed segment v notch ball: 

FOYO metal seated segment ball valves have a special designed v notch ball. The segment V-notch ball provides strong shear force and tight sealing. Depending on different applications,sealing face of segment ball can be coated with chromium carbide, tungsten carbide, and nitriding treatment. These hardfaced coating can protect  segment ball from damage caused by corrosion, abrasion and high temperature. The sealing face of segment ball is well ground, which lower operating torque of metal seated segment ball valve and ensure tight sealing performance.


3. Seat with hard face coated: 

The sealing face of seat is coated with stellite, chromium carbide or tungsten carbide. It is also well ground, the leakage class can be up to Class V as per FCI 70-2.

Besides metal seat, RPTFE, Devlon and PEEK seats are also available for FOYO segment ball valves.


4. Structure: 


The structure of FOYO metal seated segment ball valve is as the following exploded drawing.



No.

Part Name

Material

1

Body

WCB

CF8

CF8M

2

Segment Ball

CF8+Chromium Carbide

CF8+Chromium Carbide

CF8M+Chromium Carbide

CF8+Stellite

CF8+Stellite

CF8M+Stellite

CF8+ENP

CF8+ENP

CF8M+ENP

CF8+Tungsten Carbide

CF8+Tungsten Carbide

CF8M+Tungsten Carbide

CF8+Nitriding

CF8+Nitriding

CF8M+Nitriding

3

Pin

SS304

SS304

SS316

4

Seat

SS304+Stellite

SS304+Stellite

SS316+Stellite

5

Spring

SS316

SS316

SS316

6

O-Ring

Viton

Viton

Viton

7

Bearing

SS304+PTFE

SS304+PTFE

SS316+PTFE

8

Trunnion

A182 F6a

17-4PH

17-4PH

9

O-Ring

Viton

Viton

Viton

10

Bottom Cover

WCB

CF8

CF8M

11

Washer

PTFE

PTFE

PTFE

12

Adjusting Gasket

PTFE

PTFE

PTFE

13

Gasket

SS304

SS304

SS316

14

Screw

A193 B7

A193 B8

A193 B8

15

Bolt

A193 B7

A193 B8

A193 B8

16

Bearing

SS304+PTFE

SS304+PTFE

SS316+PTFE

17

Key

A182 F6a

A182 F304

A182 F316

18

Bottom Packing Ring

PTFE

PTFE

PTFE

19

Middle Packing Ring

PTFE

PTFE

PTFE

20

Top Packing Ring

PTFE

PTFE

PTFE

21

Packing Gland

WCB

CF8

CF8

22

Nut

A194 2H

A194 8

A194 8

23

Stem

A182 F6a

17-4PH

17-4PH



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