Local regulations may restrict the use of this product to below the conditions quoted. In the interests of development and improvement of the product, we reserve the right to change the specification without notice. Copyright TI-S-9 CH Issue Balanced and Multi-stage Trim Options for Spira-trol TM Two-port Control Valves Description The Spira-trol TM range of two-port valves is available with alternative trim options to make it possible to select a valve configuration to suit an individual application. This Technical Information sheet covers balanced and multi-stage trim options and should be used in conjunction with the appropriate valve Technical Information sheet. Pressure / temperature limits Please see the product specific Technical Information (TI) sheet for valve limitations. stage Low noise Page Low noise Pages 6 and 7 stage Parabolic Pages and Anti-cavitation Page Anti-cavitation Pages 6 and 7 Low noise Anti-cavitation Pages and stage Low noise Anti-cavitation Pages and Low noise Page 8 Low noise Page 8 Page of 9
Model availability stage parabolic This trim is available for the Spira-trol TM JE, JEA, KE, KEA and LEA only. Sizes DN, DN, DN6, DN8, DN, DN, DN, DN, DN and DN. Technical data Trim design Parabolic Metal-to-metal Class IV Leakage Soft seal Class IV % : Rangeability : Fast : Typical flow characteristic curves Flow % Travel DN to DN DN6 to DN mm mm Valve opening % DN to DN 7 mm Materials No. Part Material Cage gasket Reinforced exfoliated graphite Plug seal Graphite Cage retainer CF8M Plug and stem stainless steel / L stainless steel / L with stellite 6 facing Seat ring PTFE soft seat / PEEK soft seat / Full PEEK / stainless steel / L stainless steel / L with stellite facing Page of 9 TI-S-9 CH Issue
Kv (Cv US) values For conversion: Cv (UK) Kv x.9 stage parabolic (continued) Trim DN DN DN6 DN8 DN DN DN DN DN DN () () (7) () (9) (8) 7 () 8 (679) 7 (89) ( 6) () () (7) () (9) 6 () 9 (6) 6 (79) 78 (9) ( 7) () (8) (8) () () 87 () 7 () 8 (67) 7 (89) Reduction () (8) (8) () () 87 () () 6 (7) 78 (9) () () (9) () () (7) 7 (8) 8 (67) Reduction () () (9) () () (7) (6) 6 (7) (8) () (7) () (9) (68) 7 (8) Reduction (8) () (7) () (9) (68) (6) (88) (68) Reduction (88) (68) (88) Reduction (88) 8 () () 8 (88) 7 () 8 () 6 () 9 (6) 6 (79) 78 (9) ( 7) TI-S-9 CH Issue Page of 9
stage perforated trim Model availability This trim is available for the Spira-trol TM JE, JEA, KE, KEA, LE and LEA. Sizes DN, DN, DN, DN, DN, DN, DN6, DN8, DN, DN, DN, DN, DN and DN. Technical data Trim design Perforated Metal-to-metal Class IV Leakage Soft seal Unbalanced Class VI Balanced Class IV Rangeability : Typical flow characteristic curves Flow % DN to DN mm Travel DN6 to DN mm DN to DN 7 mm Valve opening % Anti-cavitation stage Low noise stage Low noise stage For DN to DN Anti-cavitation are only available unbalanced with parabolic plug Materials No. Part Material Anti-cavitation stage Cage gasket Reinforced exfoliated graphite Plug seal Graphite Cage retainer CF8M Plug and stem stainless steel / L stainless steel / L with stellite 6 facing Seat ring PTFE soft seat / PEEK soft seat / Full PEEK / stainless steel / L stainless steel / L with stellite facing Page of 9 TI-S-9 CH Issue
Kv (Cv US) values For conversion: Cv (UK) Kv x.9 stage perforated trim (continued) Trim DN DN DN DN DN DN DN6 DN8 DN DN DN DN DN DN (.6) (8) 8 (9) (7) 787 (99) (.6) () (7) 7 (8) 9 () (8) (7) (96) 6 (79) 89 ( 8) Reduction. (.9) (.6) () (8) (7) 9 () (9) 7 (8) (7) Reduction. (.9) (.6) () (7) (7) 9 () (9) 7 (8) (96) 6 (79) Reduction and.6 (.8). (.9) (.6) () (8) () () () 7 (8) Reduction.6 (.8). (.9) (.6) () (8) () () () 7 (8) Reduction and. (.)*.6 (.8). (.9) (.6) () 7 (87) (76) 6 (6) () 7 (8) Reduction and. (.6)*. (.)*.6 (.8) (.6) 6 (6) 7 (8) Reduction and. (.)*. (.6)*. (.)* (.6) 7 () () Reduction 6 and. (.)*. (.)*. (.6)* () 6 (6) Reduction 7 and. (.)*. (.)* 7 () Reduction 8 and. (.)* () * Only available in Anti-cavitation TI-S-9 CH Issue Page of 9
stage perforated trim Model availability This trim is available for the Spira-trol TM JE, JEA, KE, KEA, LE and LEA. Sizes DN, DN, DN, DN6, DN8, DN, DN, DN, DN, DN and DN. Technical data Trim design Perforated Leakage Hard facing Class IV Rangeability : DN to DN mm Travel DN6 to DN mm Typical flow characteristic curves Flow % DN to DN 7 mm Valve opening % Low noise stage Anti-cavitation stage Low noise stage Anti-cavitation stage Materials No. Part Material Cage gasket Reinforced exfoliated graphite Plug seal Graphite Cage retainer CF8M Plug and stem stainless steel / L with stellite 6 facing Seat ring L with stellite 6 facing / Full PEEK Page 6 of 9 TI-S-9 CH Issue
Kv (Cv US) values For conversion: Cv (UK) Kv x.9 stage perforated trim (continued) Trim DN DN DN DN6 DN8 DN DN DN DN DN DN () () (7) () (8) 8 () () 86 (6) (8) (8) (7) () (8) 8 () () () Reduction and () () () () () (8) 8 () () Reduction and (7) (7) () (8) 8 () Reduction and (.6) (.6) (.6) () () (7) () (8) Reduction and () (7) () Reduction and () (7) Reduction 6 and () TI-S-9 CH Issue Page 7 of 9
stage low noise trim Model availability This trim is available for the Spira-trol TM JE, JEA, KE, KEA,LE and LEA. Sizes DN, DN, DN, DN6, DN8, DN, DN, DN, DN, DN and DN. Low noise stage Low noise stage Technical data Trim design Perforated Leakage Hard facing Class IV Rangeability : Travel DN to DN DN6 to DN mm mm DN to DN 7 mm Typical flow characteristic curves Flow % Materials No. Part Material Valve opening % Cage gasket Reinforced exfoliated graphite Plug seal Graphite Cage retainer CF8M Plug and stem L with stellite 6 facing Kv (Cv US) values For conversion: Cv (UK) Kv x.9 Seat ring L with stellite 6 facing / Full PEEK Trim DN DN DN DN6 DN8 DN DN DN DN DN DN () () () () 78 (9) () 8 (8) (8) 8 (6) () () () () 78 (9) () 8 (8) 8 (6) 9 (9) Reduction and (7) (7) (8) 8 (8) (8) Reduction and () () () (8) 8 (8) Reduction and (.6) (.6) (.6) () () (8) Reduction and (.6) (.6) () () Reduction and () Page 8 of 9 TI-S-9 CH Issue
Spira-trol TM selection guide Valve size DN to DN DN Valve series Valve characteristic Type of flange Flow Body material Connections Stem sealing Seating Type of trim Trim balancing Bonnet type Bolting Finish J K L E F L J series -port control valve K series -port control valve L series -port control valve Blank EN A ASME (ANSI) Blank Flow under T Flow over 6 7 8 N P H D B C T P G S W K S P P P A A Cast iron Carbon steel Stainless steel SG iron Alloy steel Screwed Socket Welded Flanged Butt Welded PTFE / Nitronic bush PTFE Graphite Bellows / Graphite secondary seals Bellows / PTFE chevron seals Bellows / Graphite seals stainless steel Full PEEK seat PTFE soft seat L stainless steel L with stellite 6 facing PEEK soft seat Standard trim Low noise cage stage Low noise cage stage Low noise cage stage Anti-cavitation cage stage Anti-cavitation cage stage U Unbalanced B Balanced S Standard E Extended high temperature S Standard H High temperature Blank Standard N ENP coating K E A T D K P B S S Series... Kvs (Cv) To be specified C v Connection type To be specified Flanged ASME Selection example: DN - K E A T D K P B S S. - Cv - Flanged ASME Available spares Balanced gasket set Parts, TI-S-9 CH Issue Page 9 of 9