01_Series07

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Guide to Trim Options AvailableModular DesignSeries 07 has been designed around a modular manufacturingconcept. using this philosophy, a centre body module selectedto most suit the specified flow cond....

Guide to Trim Options AvailableModular DesignSeries 07 has been designed around a modular manufacturingconcept. using this philosophy, a centre body module selectedto most suit the specified flow conditions and operating data, iscombined with end connection size/rating, selected to supportthat module. this design feature allows not only the selection offull size ends, to offer oversize end connections to suit aparticular requirement.Unbalance TrimSingle contoured unbalance port(SP) are up to 6”.Ports are guided by heavy guide.Balance TrimPressure balance ports are used to reduced the thrust on thePlain Bonnet.Extension Bonnet.port.Single contoured balance port ( BP) are over 2”are standardand under 2”are available for specific applications.Double contoured balance port (DP) are over 2”for highpressure drop.Soft seats are used in application requirement ANSI class VI‘BUBBLE-TIGHT‘shutoff and FIRE SAFE design. It’s designconsist of an elastomer sandwiched between two metal piece,insert retainer and metal seat. the soft seat can be done byinstalling the insert and soft seat between seat retainer and seat.therefore it can used for fire safe function.Cryogenic Bonnet.Bellows Seal Bonnet.Figure 7. Bonnet design option4