Pressure Regulating Valves
The following is a selection of Sporlan references available for download. All information is in portable document format (.pdf).
If you would like to receive pricing and/or paper copies of literature, please contact your Sales Office or contact Sporlan Division by phone at (636) 239-1111.
| Number | Title | Date | Pages |
| Bulletin 90-10 | Crankcase Pressure Regulating Valves - For Compressor Overload Protection | July 2012 | 8 |
| Bulletin 90-11 | Installation & Service Instructions - Crankcase Pressure Regulating Valves CRO-4, CRO-6, CROT-6, CRO-10, & CROT-10 | July 2003 | 2 |
| Bulletin 90-20 | Evaporator Pressure Regulating Valves for Evaporator Temperature Controls | May 2007 | 16 |
| Bulletin 90-20-2 | Evaporator Pressure Regulating Valves | January 1996 | 8 |
| Bulletin 90-21 | Evaporator Pressure Regulating Valves Installation & Service Instructions | June 2012 | 4 |
| Bulletin 90-21-1 | Evaporator Pressure Regulating Valves Installation and Service Instructions | February 2008 | 4 |
| Bulletin 90-21-2 | Evaporator Pressure Regulating Valves Installation and Service Instructions | February 1999 | 4 |
| Bulletin 90-30 | Head Pressure Control Valves For High and Low Ambient Stability | July 2012 | 12 |
| Bulletin 90-30-1 | Head Pressure Control Charging Recommendations - ORI, ORD, OROA and LAC | March 2021 | 12 |
| Bulletin 90-30-2 | Y1292-LAC-4 Adjustable Head Pressure Control For AWEF Applications | September 2021 | 4 |
| Bulletin 90-31 | Head Pressure Control Valves - OROA-5, ORI-6-65/225H, ORI-10-65/22H, ORD-4 | November 2011 | 8 |
| Bulletin 90-40 | Discharge Bypass Valves for System Capacity Control | March 2011 | 18 |
| Bulletin 90-41 | Installation and Service Instructions - Discharge Bypass Valves ADRI(E)-11/4, ADRS(E)-2, DRS(E)-2, ADRP(E)-3, DRP(E)-3, ADRH(E)-6, DRH(E)-6 | August 2003 | 4 |
| Bulletin 90-41-1 | Installation and Service Instructions - Discharge Bypass Valves (S)HGB(E)-8 and SHGB(E)-15 | May 2004 | 4 |
| Bulletin 90-50 | Defrost Differential Pressure Regulating Valves for Supermarket Systems | February 2013 | 8 |
| Bulletin 90-51 | Pressure Regulating Valves Defrost Differential Installation and Service Instructions (O)LDR-16, (O)LDR-20, DDR-20 Obsolete: (O)LDR-15, XTM-1, XTM-5, XTO-1, -4 (Included for part’s breakdown) | July 2012 | 12 |
| Form 90-134 | Supermarket Subcooling | June 1998 | 6 |
| Form 90-198 | Understanding The Fundamentals Of Head Pressure Control | May 2004 | 8 |
| SD-036 | Crankcase Pressure Regulating Valves - Installation & Service Instructions CRO-4, CRO-6, CROT-6, CRO-10, & CROT-10 | March 2010 | 2 |
| SD-057 | Installation & Service Instructions - Discharge Bypass Valves ADRI(E)-11/4, ADRS(E)-2, DRS(E)-2, ADRP(E)-3, DRP(E)-3, ADRH(E)-6, DRH(E)-6 | August 2003 | 4 |
| SD-068 | Installation & Service Instructions - Head Pressure Control Valves OROA-5, ORI-6-65/225H, ORI-10-65/225-H, ORD-4 | May 2016 | 4 |
| SD-073 | Evaporator Pressure Regulating Valves Installation & Service Instructions ORIT-6 & ORIT-10 | October 2010 | 2 |
| SD-126 | Evaporator Pressure Regulating Valves Installation & Service Instructions (S)ORIT-12 (S)ORIT-15 (S)ORIT-20 | August 2002 | 4 |
| SD-134 | Installation & Service Instructions - Head Pressure Control Valves LAC-4 and LAC-4-DS | -- | 2 |
| SD-197 | Installation and Service Instructions - Discharge Bypass Valves Pilot Operated -(S)HGB(E)-8 and SHGB(E)-15 | July 2011 | 4 |
| SD-248 | Capacity Conversion Kit for SORIT-PI BODY | December 2004 | 2 |
| SD-276 | Instructions for replacing internal parts on the (S)ORIT-PI Valve | February 2005 | 2 |
| SD-277 | Instructions for upsizing/downsizing ports on the (S)ORIT-PI Valves | July 2004 | 2 |
| SD-323 | Crankcase Pressure Regulating Valves - Installation & Service Instructions CRO-4, CRO-6, CROT-6, CRO-10, & CROT-10 | April 2010 | 2 |
| SD-107 | Replaceable Suction Filters Installation Instructions | June 2012 | 2 |