Vì vậy, họ excsllentfor convertlf "Q hệ thống 10 nhiên liệu differenl Th. R4140lls hoàn hảo cho L. pQrading 10 một hệ thống đáp ứng các Doanh nghiệp bảo hiểm rủi ro Nhà máy Mutual và Induslrial (trước đây là FIA) | ý PlrỉngRateControls .w . TABLE VI-USUAL COMBINATIONS OF FLUID POWER ACTUATORS AND V5055 INDUSTRIAL GAS VALVES INDUSTRIAL GAS FLUID VALVES POWER ACTUATORS LOW PRESSURE HIGH PRESSURE V5Ũ55A V5Ũ55B V5Ũ55C V5055D V5Ũ55E . TYPE MODEL ON-OFF CHARACTERIZED GUIDE VSOfd ON-OFF VSOId V4055 On-Off A X X B X D X E X V4062 Off-Lo-Hi A X D X V9055 Modulating A X X a5 psi differential and 15 psi close-off except 3 psi differential for 4 inch V5055B . b25 psi differential and 75 psi close-off tor 1 through 1-1 2 inch valves 15 psi differential and 45 psi ctose-otf for valves 2 inches and over c Valve guide has notches to determine valve flow characteristics provides predictable relationship between stem travel and gas flow. d Valve Seal Overtravel Interlock Valve has 2 seals and actuator has a valve-closed indication switch. HONITWtll AUTOMATIC ÍATiTĨ SHUTOFF VACVES FIG. 55- HONEYWELL FAMILY OF AUTOMATIC SAFETY SHUTOFF VALVES. tuator is energized and closes when power is removed. When closed it seals off against the rated close-off pressure with no power applied. The actuator determines the method of firrng-a V4Ũ55 is used for on-off firing a V4062 for high-low firing and a V9055 for modulated firing. The V9055 Actuator can be controlled directly from a series 90 controller except the T991 family just like the M941 Modutrol Motor The V9055 has a solid state balancing relay so it is not sensitive to normal burner vibration. Valve actuator combinations providing a Va ve Sea Overtravel interlock are available to meet certain Underwriters Laboratories Inc. and Factory Mutual requirements. Note that high pressure valves and actuators are normally used only for on-off firing. 71-97550-1 IQijrS 09 w y APPENDIX A-INSTALLING LINKAGES ON M941 MODUTROL MOTORS Q605 DAMPER LINKAGE------------------- The Q605 Damper Linkage is used to connect an M941 Modutrol Motor to a damper. Models are available for mounting the motdr either inside or outside the duct. Whenever possible mount the motor .
