Ball Valves

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A ball valve is a form of quarter-turn valve which uses a hollow، perforated and pivoting ball to control flow through it. It is open when the ball's hole is in line with the flow and closed when it is pivoted 90-degrees by the valve handle.

Ball Valves

Flosteer high performance Ball Valves advanced features such as Anti - Static devices ensure electrical continuity between ball، Stem & body، leak proof multi seal system، Blow out proof stem operate the valve safely even at high differential pressure، and lower operating torques due to high spherocity & surface finish of ball. Eletroless Nickel plating ball are also available on request. Electro-Polished، Buff Finish & Ultra clean valve can be provided for Food & Pharmaceutical Industries.

Flosteer offer a Ball Valves in Single Piece، Two Piece & Three Piece design construction to suit wide range of application and pressure rating up to 1500 class in both regular & full port construction in difference combination of body and trims.

Flosteer soft-seated ball valve gives Zero Leakage، Tight Shut-off، and Easy smooth operation at temperature ranging from -200 to +2200 C. Metal to Metal seating offered for higher temperature services on request.


Flosteer also manufacturing Fire Safe design Ball Valve conformance to API 607/API 6FA/BS 6755 Part II assures highest standard of safety with third party inspection on request.

Flosteer also manufacturing Jacketed Design، P.T.F.E. (PFA/FEP) Lined، Multi-Port Design، Flush-Bottom Design، Extended bonnet Type Ball Valve. Flosteer Ball Valves are also available with Gear Box / Pneumatic Actuator / Pneumatic Cylinder / Electrical Actuator operated along with accessories like Solenoid، Limit Switch، Air Filter Regulator etc.

Standards :

Design Standard

BS 5351

Inspection & Testing Standard

BS 5146

BS 6755-II/API 607/API 6FA For Fire Safe Design

Face To Face

As Per ANSI B 16.10

End Connection

Flanged End To ANSI B 16.5/BS 10 Table

Socket Weld End To ANSI B 16.11

Butt weld End To ANSI B 16.25

Screwed End To ANSI B 1.20.1

Size Range

1/2" To 12"

Pressure Rating

150# To 1500#


Nomenclature :

Body / End Connector


ASTM A 351 GR. CF 8 /CF 8M/CF 3/CF 3M/CN 7M

IS 210 GR. FG 200/220/250/260


ASTM A 351 GR. CF 8 /CF 8M/CF 3/CF 3M/CN 7M


AISI 304/316/304L/316L/Alloy 20

Gland Bush

AISI 304/316/304L/316L/Alloy 20

Ball Seat

P.T.F.E. (Virgin) /GFT/CFT/PEEK

Body Seat

P.T.F.E. (Virgin) /GFT/CFT/PEEK

Stem Seal

P.T.F.E. (Virgin) /GFT/CFT/PEEK

Gland Seal

P.T.F.E. (Virgin) /GFT/CFT/PEEK

Gland Nut

C.S./S.S 304/316

Stud & Nut

ASTM A 193 GR. B7/A 194 GR. 2H/S.S. 304/316


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