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Compressor Packing Assemblies


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TY255 Complete Packing Assembly

Cast Iron TY255 Packing Case Assemblies

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Complete packing assembly used in natural gas & gas gathering applications.

AAVOLYN packing cases are the finest quality engineered, sealing assemblies available in the market. They combine high quality materials and precision finishes with leading edge design features to maximize packing assembly performance, noting that the packing case is one half of the seal. The addition of features such as radius and chamfers on all components improve the overall appearance of the assembly as well as increasing its operation in service.
Bronze Packing Assembly

Bronze Complete Packing Assemblies

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TY255 Complete Packing Assembly

Bronze TY255 Packing Case Assemblies

(3)
Complete packing assembly used in natural gas & gas gathering applications.

AAVOLYN packing cases are the finest quality engineered, sealing assemblies available in the market. They combine high quality materials and precision finishes with leading edge design features to maximize packing assembly performance, noting that the packing case is one half of the seal. The addition of features such as radius and chamfers on all components improve the overall appearance of the assembly as well as increasing its operation in service.
TY255-6 Packing case

Monel Packing Case Assemblies

(3)
Design for oil pressure ranges; lube and non-lube

The AAVOLYN 255 style packing case is designed for oil pressure ranges in both lubricated and non lubricated service. All sealing surfaces are precision ground. Tie rods align the individual cups to ensure proper function of lubrication vent and purge systems. Close tolerances are held on all components to increase packing ring life. The highest quality materials are used throughout to extend the life of the assembly and allow for reconditioning without limiting performance.
TY655 Water Cooled Case Assembly

Stainless Steel TY655 Water Cooled Packing Case Assemblies

(4)
Water cooled to reduce heat

The AAVOLYN Type 655 series water cooled case, because of its unique design brings a high cooling flow rate to the sealing surface. Heat transfer is directly enhanced by the amount of surface area exposed and the reduced distance between the heat source and the cooling.

Special features such as internal O-ring seals around the water chambers and encased O-ring seals between each cup prevent any leakage of gas into the water cooling patterns.

Each water cooled cup is fitted with access plugs to flush out the internal water surfaces where scale may build up. This scale buildup can reduce heat transfer and restrict coolant flow during the life of the packing case.
TY655 Water Cooled Case Assembly

Steel TY655 Packing Case Assemblies

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Water cooled to reduce heat

The AAVOLYN Type 655 series water cooled case, because of its unique design brings a high cooling flow rate to the sealing surface. Heat transfer is directly enhanced by the amount of surface area exposed and the reduced distance between the heat source and the cooling.

Special features such as internal O-ring seals around the water chambers and encased O-ring seals between each cup prevent any leakage of gas into the water cooling patterns.

Each water cooled cup is fitted with access plugs to flush out the internal water surfaces where scale may build up. This scale buildup can reduce heat transfer and restrict coolant flow during the life of the packing case.
Bronze TY655 Packing Case Assemblies

Bronze TY655 Packing Case Assemblies

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Water cooled to reduce heat

The AAVOLYN Type 655 series water cooled case, because of its unique design brings a high cooling flow rate to the sealing surface. Heat transfer is directly enhanced by the amount of surface area exposed and the reduced distance between the heat source and the cooling.

Special features such as internal O-ring seals around the water chambers and encased O-ring seals between each cup prevent any leakage of gas into the water cooling patterns.

Each water cooled cup is fitted with access plugs to flush out the internal water surfaces where scale may build up. This scale buildup can reduce heat transfer and restrict coolant flow during the life of the packing case.
TY265 Packing Case

Cast Iron TY265 Packing Case Assemblies

(3)
AAVOLYN Type 265 packing case redesigned completely from steel to last a lifetime in lubricated air applications. This is an example of AAVOLYN's engineering manufacturing capability to provide quality parts for vintage compressors.
Cast Iron TY275  Packing Case Assemblies

Cast Iron TY275 Packing Case Assemblies

(13)
Aavolyn Cast Iron Packing assemblies which feature cast iron cups are made from pearlitic gray containing TYPE A graphite. Gray iron bars made to this specification have optimal strength, wear and hardness. Cup material is well suited for applications requiring high resistance to wear and response to heat treatment. Flanges are steel.

AAVOLYN TY275 step cup packing case assembly incorporates vent and lube connections to the case. The lube connection allows lubricating oil to be introduced in the packing case to cool the rod packing and remove heat from the sealing area. The vent connection, drilled and tapped, removes any gas which passes the sealing rings.
TY655 Water Cooled Case Assembly

Cast Iron TY655-4 Water Cooled Packing Case Assembly


Water cooled to reduce heat

The AAVOLYN Type 655 series water cooled case, because of its unique design brings a high cooling flow rate to the sealing surface. Heat transfer is directly enhanced by the amount of surface area exposed and the reduced distance between the heat source and the cooling.

Special features such as internal O-ring seals around the water chambers and encased O-ring seals between each cup prevent any leakage of gas into the water cooling patterns.

Each water cooled cup is fitted with access plugs to flush out the internal water surfaces where scale may build up. This scale buildup can reduce heat transfer and restrict coolant flow during the life of the packing case.
Packing Case Gaskets

Packing Case Gaskets

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Packing case gaskets are a critical component to the packing case assembly. Any damage to the gasket will cause leakage when the packing case is installed in the stuffing box. Because of interaction of certain gases on various metals, different materials are used in certain applications. Copper is used in Air service, Inert gases, nitrogen, sweet natural gas, methane, ethane, oxygen, argon and ethylene. Soft Iron is used in sour natural gas, ammonia, and CO2. Monel is used in chlorine and vinyl chloride. Aluminum is used when specified by the Original Equipment Manufacturer.
Stainless Steel Packing Case Assembly

Stainless Steel Packing Case Assembly

(2)
Stainless steel Packing Case assemblies are used in applications where there are high concentrations of H2S or other caustic compounds in the gas.
Stainless Steel TY255 Packing Case Assemblies

Stainless Steel TY255 Packing Case Assemblies

(3)
Stainless steel Packing Case assemblies are used in applications where there are high concentrations of H2S or other caustic compounds in the gas.

AAVOLYN TY255 is the most commonly used case design by the compressor builders today. Exhibiting either a round, eliptical, or irregular flange with lube, vent, coolant and purge connections made on the face of the flange and or on the O.D., the case is found in pressures from 50 lbs to 5000 lbs.
Stainless Steel TY275 5 Packing Case Assembly

Stainless Steel TY275-5 Packing Case Assembly


Stainless steel Packing Case assemblies are used in applications where there are high concentrations of H2S or other caustic compounds in the gas.

AAVOLYN TY275 step cup packing case assembly incorporates vent and lube connections to the case. The lube connection allows lubricating oil to be introduced in the packing case to cool the rod packing and remove heat from the sealing area. The vent connection, drilled and tapped, removes any gas which passes the sealing rings.
Steel 600  High Pressure Packing Case Assembly

Steel 600# High Pressure Packing Case Assembly


Aavolyn TY655P, plate design liquid cooled packing assembly is used on Worthington Cub gas compressors. AAVOLYN 4667 consists of eight sealing grooves ( .375 cup depth ) in addition to the liquid cooled plates.
AAVOLYN-101

Steel Non-Lube Ariel Packing Case Assembly


AAVOLYN-101

Steel TY225-2E Packing Case Assembly


Steel Wiper Packing Assemblies

Steel Wiper Packing Assemblies

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Oil wiper assemblies come in various styles and configurations based on the compressor manufacturer's compressor design. All assemblies include the Aavolyn wiper ring configuration allowing for effective wiping of oil from the rod surface and providing for rapid flow of oil away from the rod area.
Steel Split Packing Case Assemblies

Steel Split Packing Case Assemblies

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This design of packing case is the oldest type to be used for mechanical packing installations on reciprocating compressors. Originally, compressors & steam engines used braided type packing for the low pressure ranges experienced. Braided packing required constant adjustment of the gland which held the packing in place. This was necessary to maintain a seal along the rod and to prevent leakage around the packing. Excessive tightening could damage the shaft. As the packing wore in the bore from the reciprocating motion of the rod, continuous tighting was necessary.

Mechanical packing replaced the braided design and required no adjustment to maintain a seal after initial installation. This mechanical design uses a ...
TY255 Complete Packing Assembly

Steel TY255 Packing Case Assemblies

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The Aavolyn TY255 packing case incorporates the use of tie rods for alignment of the packing cups. Lube and vent connections are made on the flange, either on the face or the O.D. This design is the most widely used style of packing case used on reciprocating compressors today.
Bronze Packing Assembly

Bronze Packing Case Assemblies

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Recommended for use in Oxygen, Argon and Helium service, AAVOLYNMET® bronze packing case assemblies function effectively transferring heat from the sealing areas, both in liquid cooled and standard applications. Particularly important for use in oxygen service to eliminate the possiblity of sparking when coming in contact with other metallic surfaces.
AAVOLYN-101

Steel/Bronze K-Form Packing Case Assembly

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Cast Iron Packing Case Assemblies

Cast Iron Packing Case Assemblies

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Aavolyn packing case style is based on the application and restrictions of the compressor as to length of case, stud size and location, gland configuration, location and size of connections for coolant, lubrication, venting, purge and thermocouple, box diameter and groove dimensions.
TY65 Inside Solid Packing Assembly

Cast Iron TY65 Packing Case Assemblies

(10)
The inside solid design is used where the case flange is part of the compressor and not suppplied with the packing case. Normally the Type 65 assemble replaces a braided or soft packing. AAVOLYN engineers can utilize this design to upgrade your reciprocating compressors or pumps to mechanical packing where you may presently be utilizing a soft packing style of seal. The case will work with the existing flange and greatly extend packing life while eliminating rod wear.
BZ 655M 4 Complete Packing

BZ-655M-4 Complete Packing


The first Milled and Drilled packing assemblies were introduced with the introduction of non lubricated compressors. Sealing materials used in non lube service ( primarily filled Teflon's) were much more susceptible to heat. Extrusion can occur along the rod, thus resulting in the loss of sealing ability. The Milled and Drilled design brings the coolant closer to the sealing area. Milled grooves on the back side of the packing cups allow coolant to circulate behind the packing grooves. With a flow pattern developed through the cups, coolant is introduced from the gland face through the milled passages and out again for recalculation.
Steel Packing Case Assemblies

Steel Packing Case Assemblies

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Aavolyn steel packing case assemblies are found on all makes and models of reciprocating compressors in the field today. Our engineers have developed standard packing case designs for different types of gases at different pressures with specific configurations to deal with temperature, lubrication or without lubrication and other design parameters to improve the performance of the packing installation. Contact Aavolyn with your design parameters and benefit from our expertise.
TY265 Packing Case

Steel TY265 Packing Case Assemblies

(3)
AAVOLYN Type 265 packing case redesigned completely from steel to last a lifetime in lubricated air applications. This is an example of AAVOLYN's engineering manufacturing capability to provide quality parts for vintage compressors.
TY65 Inside Solid Packing Assembly

Steel TY65 Packing Case Assemblies

(8)
The inside solid design is used where the case flange is part of the compressor and not supplied with the packing case. Normally the Type 65 assemble replaces a braided or soft packing. AAVOLYN engineers can utilize this design to upgrade your reciprocating compressors or pumps to mechanical packing where you may presently be utilizing a soft packing style of seal. The case will work with the existing flange and greatly extend packing life while eliminating rod wear.
Cast Iron Packing Case Assemblies

Cast Iron Packing Case Assembly Gland


Aavolyn packing case style is based on the application and restrictions of the compressor as to length of case, stud size and location, gland configuration, location and size of connections for coolant, lubrication, venting, purge and thermocouple, box diameter and groove dimensions.
AAVOLYN-101

Bronze Flanges

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AAVOLYN-101

Bronze End Plate


AAVOLYN-101

Cast Iron Wiper Case Assemblies

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AAVOLYN-101

Stainless Steel Packing Case Cup


AAVOLYN-101

Stainless Steel Packing Case End Plate


AAVOLYN-101

Steel Ariel Packing Case Gland


AAVOLYN-101

Steel End Cup Cases

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AAVOLYN-101

Steel End Piece Cases

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AAVOLYN-101

Steel Gasket Cup Cases

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AAVOLYN-101

Steel Lube Cup Cases

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AAVOLYN-101

Steel Packing Case Gland