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Metal Seat Ball Valve


Metal Seat Zero Leakage Ball Valve                                   PDF DOWNLOAD  PDF.jpg

SENSI produce the valve metal seat zero leakage, for Power Generation , Refining and Petrochemical,Pulp & Paper , Mining where is severe high temperature,erosive fluids working conditions.

The metal sealing ball valve is testified can be open and close with pressure inside at 10,000 times, the ball sealing found zero leakage at sound performance!


1.Zero leakage Class V

2.Ball Hardened Surface for High Temperature, Abrasive Services

3.Multi-Packing Blowout Proof Anti-Static Stem

4.Flexible Graphite Stem Packing For High Temperature Services

5.Double block and bleed design  

6.Fireproof and anti static ball and seat

7.Low torque butterfly spring loaded seats relief chamber heat expansion.

8.bidirectional sealing optional upon  request

Product Range:

Main Materials: carbon steel, alloy steel, stainless steel, super duplex steel, Inconel etc.

Cast body WCB, CF8,CF8M,CF3,CF3M ,WC6,WC9,LCB, LCC, LC1,F316 etc.

Forged BodyA105,LF2,F11,F304,F316,F51,4A  etc.

Nominal diameter:2 inch-56 inch

Pressure range:Class1502500,150LB/300LB/600LB/900LB/1500LB/2500LB

End connection: RF, RTJ, BW

Operation: Manual,Worm gear, Pneumatic,Electric

Working Temp.:-196℃425℃


The usual ball coatings as below:

Tungsten Carbide (WC-Co)HVOF Spray,Coating Hardness HV 780-950,HRC 65+/-3 .Excellent anti-wear properties under lower temperature. Suitable for media with dust or particles.

Nickel Alloy (Ni60),Flame Spraying,Coating Hardness HV 680-780,HRC 60+/-3 ,Excellent resistance to corrosion and abrasion. Suitable for protection against abrasion and erosion

Chrome Carbide (Cr3C2-NiCr),HVOF Spray,Coating Hardness HV 560-680,HRC 56+/-3 .Excellent resistance to cavitation erosion under high temperature and sliding wear. Suitable for high temperature, high pressure and corrosive application.