China Top Entry Ball Valve manufacturers, API Top Entry Ball valve suppliers. F-V DIN Top Entry Type Ball Valves are used in a broad range of applications, from simple water lines, to extremely corrosive chemicals, to nuclear power plants. F-V is a market leader in providing valves for difficult services, including:Highly corrosive applications in chemical and petro-chemical plants, Chlorine gas, semi-conductor, pulp stock and paper industry, crude, diesel fuel, fresh water and seawater in ship-building or on existing cargo, tanker or passenger ships Food applications, LNG liquefaction, LNG tanker ships and LNG receiving terminals
PRODUCT RANGE
Sizes NPS 2 to NPS 48
Class 150 to Class 2500
DESIGN FEATURES
Full or Reduced Bore
RF, RTJ, BW or PE
Top Entry design
Double Block & Bleed (DBB),Double Isolation & Bleed (DIB)
Emergency seat and stem injection
Anti-Static Device
Anti-Blow out Stem
Cryogenic or High Temperature Extended Stem
MATERIALS
Casting A216 WCB, A351 CF3, CF8, CF3M, CF8M, A995 4A, 5A, A352 LCB, LCC, LC2
Forging A105, A182 F304, F3304L, F316, F316L, A182 F51, F53, A350 LF2, LF3, LF5
Inconel, Hastelloy, Monel
DESIGN STANDARD
Design & manufacture according to API 6D, API 608, ISO 17292
Face-to-face according to API 6D, ASME B16.10
End Connection according to ASME B16.5, ASME B16.47, MSS SP-44 (NPS 22 Only)
Test & inspection according to API 6D, API 598
Fire safe design according to API 6FA, API 607
Also available per NACE MR-0175, NACE MR-0103, ISO 15848
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