PGI SERIES

Summit PGI synthetic gas compressor oils were designed for use in the compression of propane in refrigeration or unloading service. Available in three grades for rotary screw and reciprocating compressors, PGI is especially suitable for wet gas situations.

RECOMMENDED USES

Due to the varying make-up of gases and operating temperatures, please contact Summit for specific product recommendations.

PSO-LT & PSO-M

Summit PSO-LT optimizes low solubility and very low miscibility with R717-anhydrous ammonia along with excellent water separation (demulsibility) properties, complete inertness (low reactivity) in the presence of ammonia and excellent protection against rust, oxidation, corrosion and deposit formation. Summit PSO-M is an alternative recommendation where low pumping temperatures are not required. Summit PSO-LT and PSO-M are compatible with naphthenic oils, as well as other PAO & AB synthetic oils, thus eliminating the need for system flushes or complicated conversions.

RECOMMENDED USES

Summit PSO-LT is formulated to meet the strictest ammonia transfer pump seal lubrication requirements for all pumping temperatures <32ºF and 32ºF & higher. It is a 100 percent PAO-Polyalphaolefin synthetic sulfur-free pump seal oil that is registered H1 as an NSF food grade lubricant.

R SERIES

Summit R Series synthetic hydrocarbon refrigeration oils are designed to function under severe service conditions.  These fluids have a very high viscosity index, contain no paraffin and are compatible with various fluorinated refrigerants, ammonia, methyl chloride and carbon dioxide. The Summit R Series are completely miscible with petroleum-based fluids. These products are NSF H-1 approved and have Kosher approval.

RECOMMENDED USES

R Series are compatible with various fluorinated refrigerants, ammonia, methyl chloride and carbon dioxide. R-100 is designed to operate in rotary compressors requiring an ISO-32 viscosity rating. R-150 is designed to operate in rotary compressors requiring an ISO-46 viscosity rating. R-200 is designed to operate in rotary screw compressors requiring an ISO-68 viscosity rating. R-300 is designed to operate in reciprocating compressors requiring an ISO-100 viscosity rating.

RAB-68

Summit RAB-68 synthetic refrigeration oil is an alkylate based and formulation for use in reciprocating, rotary, and centrifugal refrigeration compressors using ammonia, R12, R22, R114 and R502.  This product is extremely stable at high compression temperatures while providing excellent low temperature properties at evaporator temperatures below -50°F.  Other performance benefits include excellent solubility with refrigerants, good compatibility with construction materials, extended service life, and reduced deposit formations in high and low temperature areas.

RECOMMENDED USES

RAB-68  synthetic refrigeration compressor oil  is recommended for reciprocating, rotary, and centrifugal refrigeration compressors using ammonia, R12, R22, R114, and R502 as the refrigerant.  It’s compatible with conventional mineral oils and most construction materials, including Viton®, Neoprene®, and Buna-N.

RHB SERIES

The RHB Series is a synthetic refrigeration oil formulated from an AB-Alkylbenzene synthetic blend and designed to function under the stringent requirements of CFCs-Chlorofluorocarbon, HCFCs- Hydrochlorofluorocarbon refrigerants like R11, R12, R13, R22, R113, R114, R123, R124 R401a, R401b, R402a, R402b, R403b, R406a, R408a, R409a, R500, R502, R503; & R717 (NH3 aka ammonia) DX and liquid overfeed industrial refrigeration systems. Besides its inherent inertness, improved system efficiency and higher productivity, the performance advantages of the RHB Series versus naphthenic oils include: (1) Partial miscibility and solubility with CFCs, HCFCs and ammonia for improved oil return to the compressor; (2) Superior system cleanliness and lubricity to reduce component wear and corrosion; (3) Superior chemical and thermal stability; (4) Lower foaming tendency; and (5) Extended oil drain capability.

 

RECOMMENDED USES

RHB Series is well-suited for both rotary screw and reciprocating compressors in ammonia service. It is guaranteed to function with evaporators operating down to –40˚C. RHB Series is compatible with all types of seals and O-rings used in ammonia compressors including Neoprene (chloroprene), Buna-N and NBR. RHB Series is also 100% compatible with naphthenic and paraffinic mineral oils, as well as PAO and AB synthetic oils, which allows top-off over these other oils and eliminates the need for system flushes and excessive evaporator maintenance. As with all specialty lubricants, indoor storage and immediate closing of original containers after use is strongly recommended to avoid particulate and moisture.

RHT FG-68

Summit RHT FG-68 is a highly refined, hydrotreated ammonia refrigeration compressor lubricant, specially designed to function under the stringent requirements of closed-loop ammonia refrigeration systems in the food service industry. Besides providing value-added benefits in the areas of improved system efficiency and higher productivity, the performance advantages of Summit RHT FG-68 versus naphthenic oils include:

• NSF H1 Pending and meets USDA 1998 (H1) guidelines (lubricants with incidental food contact)
• Lower wax content versus the “essentially” or “virtually” wax free oils marketed by competitors
• Reduced oil carryover
• Superior cleanliness
• Superior chemical and thermal stability
• Enhanced wear protection
• Lower foaming tendency
• Extended oil drain interval capability
• Less oil make-up

RECOMMENDED USES

Summit RHT FG-68 is exceptionally well suited for rotary screw and reciprocating compressors in ammonia service. It is compatible with naphthenic and other hydrotreated paraffinic-based compressor oils for ammonia service, as well as PAO and alkylbenzene-based products. It is compatible with all seal elastomers commonly used in these systems including Buna-N, NBR and Neoprene.

RHT SERIES

Summit RHT series synthetic blend refrigeration compressor oils are highly refined, hydrotreated ammonia compressor lubricants specially designed to function under the stringent requirements of closed-loop ammonia refrigeration systems.  Besides providing value-added benefits in the areas of improved system efficiency and higher productivity, the performance advantages of Summit RHT series versus naphthenic oils include: reduced oil carryover, superior cleanliness, superior chemical and thermal stability, enhanced wear protection, lower foaming tendency, extended oil drain interval capability, and less oil make-up.

RPA-68

Summit’s RPA-68 is a synthetic refrigeration compressor oil is a synthesized hydrocarbon-alkylate 100 percent full-synthetic formulation for reciprocating, rotary, and centrifugal refrigeration compressors. This product is extremely stable at higher compression temperatures while providing excellent low temperature properties at low evaporator temperatures.  Performance and cost benefits include: Reduced and easier oil draining from the plant; Reduced oil consumption- Up to 70 percent less vs. mineral oils; Reduced deposit formation & low foaming tendency; Excellent seal, paint & plastic compatibility; Extended lubricant service life- Up to 5 times longer vs. mineral oils; Chemically stable in the presence of normal levels of water and air; Extended lubricant service life vs. mineral oils.

RECOMMENDED USES

RPA-68 refrigeration compressor oil is made for reciprocating, rotary, and centrifugal refrigeration compressor applications using any of several refrigerants including ammonia (R717), R12, R13, R22, R113, R114, R123, R401a, R401b, R402b, R409a, R500, R502 and R503.  Summit RPA-68 is not compatible with R134a and most HFCs.

RPE SERIES

Summit’s RPE Series are fully synthetic refrigeration lubricants that have excellent chemical and thermal stability as well as superior lubricity characteristics with steel and aluminum. They were specifically developed for HFC refrigerants.

RECOMMENDED USES

Summit’s RPE Series fully synthetic refrigeration lubricants were designed for use in refrigeration compressors using R-134A and other HFCs as the refrigerant. They are miscible with all HFCs, HCFCs, CFCs and blends.

RPS SERIES

Summit RPS Series is unique in its optimum miscibility with ammonia allowing easier oil return to the compressor with no oil accumulation inside the system. Minimal oil carryover guarantees improved thermal efficiency and productivity gains with reduced maintenance downtime.

In addition, Summit RPS Series offers superior lubricity and wear protection due to a high viscosity index, non-foaming characteristics and high chemical stability in the presence of ammonia.

RECOMMENDED USES

Summit RPS Series are specially formulated polyalkylene glycol (PAG) synthetic ammonia compressor lubricants designed to function in ammonia refrigeration systems utilizing direct expansion (DX) evaporators and rotary screw compressors.

RTC SERIES

Summit RTC Series employs a unique base fluid that provides optimum refrigerant solubility/miscibility. Other benefits of Summit RTC Series vs traditional POEs for refrigeration include:

• 50% less hygroscopic

• Less compressor component wear

• Less issues with copper plating

• Greater cooling efficiency

RECOMMENDED USES

Summit RTC Series lubricants are designed exclusively for semihermetic (piston) refrigeration compressors requiring a POE-type lubricant for improved miscibility with the refrigerant and improved oil return to the compressor. These compressors, with relatively small oil capacities in the 1-5 gallon range, are used in many supermarket applications and commercial (mobile) refrigerated trailer/truck applications. Summit RTC Series is available in five viscosity grades for HCFC & HFC refrigerant gases like MO99, R22, R134a, R401a, R401b, R402a, R402b, R404a, R407a, R407c, R408a, R409a, R410a, R422a/d, R502, & R507c.

Mixing Summit RTC Series with other POE-based formulations should be avoided. There is no need to flush when converting to Summit RTC Series from other POE-based formulations. Always consult Summit engineers before using this product in other refrigeration applications.