Balanced and Multi-stage Trim Options for SPIRA-TROL Two-port Control Valves

Transcription

1 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 0 Balanced and Multi-stage Trim Options for SPIRA-TROL Two-port Control Valves TI-S-9 CH Issue Description The SPIRA-TROL 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. stage Low noise Page Low noise un Pages 6 and 7 Pressure / temperature limits Please see the product specific Technical Information (TI) sheet for valve limitations. stage Parabolic Pages and Anti-cavitation Page Anti-cavitation un Pages 6 and 7 Low noise Anti-cavitation Pages and stage Low noise un Anti-cavitation un Pages and Low noise Page 8 Low noise un Page 8 Page of 9

2 stage parabolic Model availability This trim is available for the SPIRA-TROL JE, JEA, KE, KEA and LEA only. Sizes DN0, DN0, DN6, DN80, DN, DN, DN0, DN00, DN0 and DN00. Technical data Trim design Parabolic Leakage Metal-to-metal Class IV Soft seal Class IV % 0: Rangeability 0: Fast : DN0 to DN0 0 mm Travel DN6 to DN 0 mm DN to DN00 70 mm Typical flow characteristic curves Flow % Fast opening Valve opening % Materials No. Part Material Cage gasket Reinforced exfoliated graphite Plug seal Graphite Cage retainer Stainless steel Plug and stem Stainless steel Seat ring Stainless steel TI-S-9 CH Issue Page of 9

3 stage parabolic (continued) Kv (Cv US) values For conversion: Cv (UK) Kv x 0.9 Trim DN0 DN0 DN6 DN80 DN DN DN0 DN00 DN0 DN00 (0) () (7) (0) 0 (90) (8) 70 () 80 (679) 700 (809) 000 ( 6) (0) () (7) (0) 0 (90) 60 (00) 90 (6) 60 (79) 780 (90) ( 7) () (8) (8) (0) 00 () 87 () 70 () 80 (670) 700 (809) Reduction () (8) (8) (0) 00 () 87 () 0 () 60 (70) 780 (90) () (0) (90) () () (7) 70 (8) 80 (670) Reduction () (0) (90) () () (7) 0 (6) 60 (70) (8) () (0) (9) (68) 70 (8) Reduction (8) () (0) (9) (68) 0 (6) (88) (68) Reduction (88) (68) (88) Reduction (88) Fast opening 8 () 0 (0) 8 (88) 7 () 80 () 60 (00) 90 (6) 60 (79) 780 (90) ( 7) TI-S-9 CH Issue Page of 9

4 stage perforated trim Model availability This trim is available for the SPIRA-TROL JE, JEA, KE, KEA, LE and LEA. Sizes DN, DN0, DN, DN, DN0, DN0, DN6, DN80, DN, DN, DN0, DN00, DN0 and DN00. Technical data Trim design Perforated Metal-to-metal Class IV Leakage Soft seal Unbalanced Class VI Balanced Class IV Rangeability 0: DN0 to DN0 0 mm Travel DN6 to DN 0 mm DN to DN00 70 mm Typical flow characteristic curves Flow % Valve opening % Low noise stage Low noise stage un For DN to DN Anti-cavitation are only available unbalanced with parabolic plug Materials Anti-cavitation stage Anti-cavitation stage un No. Part Material Cage gasket Reinforced exfoliated graphite Plug seal Graphite Cage retainer Stainless steel Plug and stem Stainless steel Seat ring Stainless steel TI-S-9 CH Issue Page of 9

5 Kv (Cv US) values For conversion: Cv (UK) Kv x 0.9 stage perforated trim (continued) Trim DN DN0 DN DN DN0 DN0 DN6 DN80 DN DN DN0 DN00 DN0 DN00 (.6) 0 (8) 80 (9) (7) 787 (909) (.6) () 70 (8) 90 () (8) 00 (7) (96) 6 (79) 890 ( 08) Reduction. (.9) (.6) () 0 (8) 9 () (9) 7 (8) (7) Reduction. (.9) (.6) () 9 () (9) 7 (8) (96) 6 (79) Reduction and.6 (.8). (.9) (.6) () 0 (8) () 00 () 0 (0) 7 (8) Reduction.6 (.8). (.9) (.6) () 0 (8) () 00 () 0 (0) 7 (8) Reduction and.0 (.)*.6 (.8). (.9) (.6) () 7 (87) (76) 6 (06) 0 (0) 7 (8) Reduction and 0. (0.6)*.0 (.)*.6 (.8) (.6) 6 (06) 7 (8) Reduction and 0. (0.)* 0. (0.6)*.0 (.)* (.6) 7 (0) 0 (0) Reduction 6 and 0. (0.)* 0. (0.)* 0. (0.6)* () 6 (06) Reduction 7 and 0. (0.)* 0. (0.)* 7 (0) Reduction 8 and 0. (0.)* () * Only available in Anti-cavitation TI-S-9 CH Issue Page of 9

6 Model availability This trim is available for the SPIRA-TROL JE, JEA, KE, KEA, LE and LEA. stage perforated trim Sizes DN, DN0, DN0, DN6, DN80, DN, DN, DN0, DN00, DN0 and DN00. Technical data Trim design Perforated Leakage Hard facing Class IV Rangeability 0: DN0 to DN0 0 mm Travel DN6 to DN 0 mm DN to DN00 70 mm Low noise stage Typical flow characteristic curves Low noise stage un Flow % Valve opening % Anti-cavitation stage Anti-cavitation stage un Materials No. Part Material Cage gasket Reinforced exfoliated graphite Plug seal Graphite Cage retainer Stainless steel Plug and stem Stainless steel Seat ring Stainless steel TI-S-9 CH Issue Page 6 of 9

7 Kv (Cv US) values For conversion: Cv (UK) Kv x 0.9 stage perforated trim (continued) Trim DN DN0 DN0 DN6 DN80 DN DN DN0 DN00 DN0 DN00 () () () 0 (8) 80 () 0 () 86 (6) 0 (8) 0 (8) () 0 (8) 80 () 0 () (0) Reduction and () () () () () 0 (8) 80 () 0 () Reduction and () 0 (8) 80 () Reduction and (.6) (.6) (.6) () () () 0 (8) Reduction and () () Reduction and () Reduction 6 and () TI-S-9 CH Issue Page 7 of 9

8 stage low noise trim Model availability This trim is available for the SPIRA-TROL JE, JEA, KE, KEA, LE and LEA. Sizes DN, DN0, DN0, DN6, DN80, DN, DN, DN0, DN00, DN0 and DN00. Technical data Trim design Perforated Leakage Hard facing Class IV Rangeability 0: DN0 to DN0 0 mm Travel DN6 to DN 0 mm DN to DN00 70 mm Low noise stage Low noise stage un Typical flow characteristic curves Flow % Valve opening % Kv (Cv US) values For conversion: Cv (UK) Kv x 0.9 Materials No. Part Material Cage gasket Reinforced exfoliated graphite Plug seal Graphite Cage retainer Stainless steel Plug and stem Stainless steel Seat ring Stainless steel Trim DN DN0 DN0 DN6 DN80 DN DN DN0 DN00 DN0 DN00 () () () () 78 (90) () 80 (08) (8) 8 (6) () () () () 78 (90) () 80 (08) 8 (6) 9 (9) Reduction and 0 (8) 80 (08) (8) Reduction and () () () 0 (8) 80 (08) Reduction and (.6) (.6) (.6) () () 0 (8) Reduction and (.6) (.6) () () Reduction and () TI-S-9 CH Issue Page 8 of 9

9 SPIRA-TROL selection guide Valve size DN to DN00 DN0 Valve series Valve characteristic Type of flange Flow Body material Connections Stem sealing Seating Type of trim J K L E F L J series -port control valve K series -port control valve L series -port control valve Fast opening Blank EN A ASME (ANSI) Blank Flow under T Flow over 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 Trim balancing U Unbalanced B Balanced B Bonnet type S Standard E Extended high temperature S Bolting S Standard H High temperature S Finish Blank Standard N ENP coating Series... Kvs (Cv) To be specified C v 0 Connection type To be specified Flanged ASME 00 K E A T D K P Selection example: DN0 - K E A T D K P B S S. - Cv 0 - Flanged ASME 00 Available spares Balanced gasket set Parts, TI-S-9 CH Issue Page 9 of 9