Aran Metal seat trunnion ball valve is bidirectional sealing Zero leakage for size above size 2” (Dn50).
The metal seat ball valve used for 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!
Zero leakage Class V
Ball Hardened Surface for High Temperature, Abrasive Services
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
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 Body：A105,LF2,F11,F304,F316,F51,4A etc.
Nominal diameter:2 inch-56 inch
End connection: RF, RTJ, BW
Operation: Manual,Worm gear, Pneumatic,Electric
Standards:ASTM, ANSI,AWWA, JIS,BS, GOST, DIN etc.
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.