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Metal Seat Trunnion Ball Valve

Metal Seat Trunnion Ball Valve

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


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 Body:A105,LF2,F11,F304,F316,F51,4A  etc. 
 Nominal diameter:2 inch-56 inch 
 Pressure range:Class150~2500,150LB/300LB/600LB/900LB/1500LB/2500LB 
 End connection: RF, RTJ, BW 
 Operation: Manual,Worm gear, Pneumatic,Electric 
 Working Temp.:-196℃~425℃ 
 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.


DESIGN Std:API 068,API 6D,BS 5351



TEST Std:API 598,API 6D,BS 6755

    Part Name                       Carbon Steel                                 Stainless Steel
          WCB           LCB     CF8    CF8M    CF3    CF3M
    Body    A216 WCB A105         A352 LF2 A351 CF8 A351 CF8M A351 CF3 A351 CF3M
   L-body??    A216 WCB A105A352 LCB A350 LF2A351 CF8A351 CF8MA351 CF3A351 CF3M
   R-body??    A216 WCB A105A352 LCB A350 LF2A351 CF8A351 CF8MA351 CF3A351 CF3M
    Ball        A105/Ep.Cr       A182 F304   
Hot Tags: metal seat trunnion ball valve, China, Wenzhou, manufacturers, suppliers, factory, customized, price list, in stock, made in China


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