his catalog supplements the product bulletins forvarious Sporlan products covered in the followingbulletins:Bulletin 10-10 Thermostatic Expansion ValvesBulletin 20-10 Refrigerant Distributors Bulletin 30-10 Solenoid ValvesBulletin 90-10 Crankcase Pressure Regulating ValvesBulletins 90-20 & 90-20-1 Evaporator Pressure Regulating ValvesBulletin 90-40 Discharge Bypass ValvesRefer to the specific bulletin covering the productconsidered for complete details on the specific product including design, theory of operation, selection procedure,and capacity ratings for Refrigerants 12, 22, 502 andother more standard refrigerants. Since there are numerous alternative refrigerants being tested to replace the more common refrigerants, it has been a goal of Sporlan to publish as much information as possible toaid in the selection of valves and components used withthese new refrigerants. As thermodynamic data becomes available, capacity ratings for various products will beadded to Sporlans product selection computer program.As the alternative refrigerants find wider use in the industry, it is obvious that an additional format isnecessary to reach all customers. Therefore, this catalogsupplies information on the products mentioned in the previous column. As additional information becomesavailable, capacity ratings will be published for otherproducts as well.For additional information on the application ofSporlan products on the alternative refrigerants, please contact your Sporlan representative or SporlanValve Company. size="-2">