Emerson Type 1190 Low-Pressure Gas Blanketing Regulator Datasheet

Bulletin 74.1:1190April 2012 D101962X012www.sherregulators.comType 1190 Low-Pressure Gas Blanketing RegulatorIntroductionThe Type 1190 low-pressure g

Bulletin 74.1:119010Ordering GuideConstruction (Select One)  Standard  NACEType EGR Main ValveMain Valve Body Size (Select One)  NPS 1 / DN 25

Bulletin 74.1:119011Ordering Guide (continued)Type 1098 ActuatorLower Diaphragm Case Material (Select One)  Steel***  Stainless steel (NACE)**Bo

Bulletin 74.1:1190©Emerson Process Management Regulator Technologies, Inc., 1993, 2012; All Rights ReservedThe Emerson logo is a trademark and service

Bulletin 74.1:11902SpecicationsBody Sizes(1) See Table 1Maximum Main Valve Inlet Pressures(2) 400 psig / 27.6 barMaximum Operating Inlet Pressures(

Bulletin 74.1:11903Specications (continued) Type Y191A Pilot Body, Spring Case, and Diaphragm Casing: Ductile iron (standard) or Stainless stee

Bulletin 74.1:11904Principle of OperationThe Type 1190 gas blanketing regulator reduces a high-pressure inert gas to maintain a positive low-pressure

Bulletin 74.1:11905When downstream demand has been satised, outlet pressure tends to increase slightly, acting on the pilot and main valve diaphragms

Bulletin 74.1:11906Table 5. Maximum and Minimum Differential Pressures for Main Valve Spring SelectionBODY SIZESMAIN VALVE SPRING PART NUMBER SPRING

Bulletin 74.1:11907Table 7. Gas Flow Required for Thermal Heating (Outbreathing) or Cooling (Inbreathing) per American Petroleum Institute Standar

Bulletin 74.1:11908Table 9. Supply Pressure(1) Settings Required for the Type 95H RegulatorBODY SIZESTYPE EGR SPRING COLORSUPPLY PRESSUREType Y191A

Bulletin 74.1:11909MAIN VALVE BODY SIZESDIMENSIONSAD G Z A/RNPTCL125 FF Cast Iron, or CL150 RF Steel, or Stainless SteelCL250 FF Cast Iron, or CL300