Emerson Y690A Datasheet

Bulletin 74.1:Y690AJanuary 2010D102591X012www.sherregulators.comY690A Series Gas Blanketing RegulatorsW7293Figure 1. Y690A Series Direct-Operated Ga

Bulletin 74.1:Y690A10Table 10. Types Y690AH and Y690AHM CapacitiesOUTLET PRESSURE RANGE, CONTROL SPRING PART NUMBER, AND COLOROFFSET FROM SETPOINTOU

Bulletin 74.1:Y690A11Table 10. Types Y690AH and Y690AHM Capacities (continued)OUTLET PRESSURE RANGE, CONTROL SPRING PART NUMBER, AND COLOROFFSET FROM

Bulletin 74.1:Y690A12Table 10. Types Y690AH and Y690AHM Capacities (continued)OUTLET PRESSURE RANGE, CONTROL SPRING PART NUMBER, AND COLOROFFSET FRO

Bulletin 74.1:Y690A13Table 10. Types Y690AH and Y690AHM Capacities (continued)OUTLET PRESSURE RANGE, CONTROL SPRING PART NUMBER, AND COLOROFFSET FROM

Bulletin 74.1:Y690A14Ordering InformationWhen ordering, specify:Application 1. Type of gas being controlled (nitrogen, fuel gas, etc.); list a

Bulletin 74.1:Y690A15Ordering GuideType (Select One) Y690A (Internal registration)*** Y690AH (High-pressure with Internal registration)*** Y6

Bulletin 74.1:Y690AThe Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owne

Bulletin 74.1:Y690A2SpecicationsAvailable Congurations Type Y690A: Direct-operated pressure reducing regulator for outlet pressures up to 7-in

Bulletin 74.1:Y690A3Table 3. Construction MaterialsBODY DIAPHRAGM CASE SPRING CASE TRIM DIAPHRAGM DISKDuctile iron or CF8M Stainless steelDuctile iro

Bulletin 74.1:Y690A4SLIDING PUSHER POSTOVERPRESSURE SPRINGVALVE DISKVALVE STEMLEVERDOWNSTREAM CONTROL LINE FOR TYPES Y690AM AND Y690AHMPITOT TUBE FOR

Bulletin 74.1:Y690A5BLOCK VALVEBLOCK VALVEVENT VALVEVENT VALVESUPPLYPRESSUREGAS BLANKETING PRESSUREVESSEL/TANKINLET PRESSUREGAS BLANKETING PRESSUREATM

Bulletin 74.1:Y690A6BLANKET GAS SPECIFIC GRAVITY CORRECTION FACTORNatural Gas 0.60 1.270Air 1.00 0.985Dry CO21.52 0.797Correction Factor = Table 8. F

Bulletin 74.1:Y690A7 3. Add the requirements of 1 and 2 and select regulator size, based on total capacity required from Table 9 or

Bulletin 74.1:Y690A8BODY SIZE,NPS (DN)OUTLET PRESSURE RANGE, PART NUMBER, AND COLOROUTLET PRESSURE SETTINGINLET PRESSURE,PSIG (bar)CAPACITIES IN SCFH

Bulletin 74.1:Y690A9Table 9. Types Y690A and Y690AM Capacities (continued)BODY SIZE,NPS (DN)OUTLET PRESSURE RANGE, PART NUMBER, AND COLOROUTLET PRES