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INDUSTRIAL INTERCHANGE
Plated steel couplers have hardened steel balls and stainless steel springs. Brass couplers
have stainless steel balls and springs. Coupler plugs are heat treated and plated to reduce
wear on critical mating surfaces. Amflo's industrial interchange couplers and plugs
interchange with Hansen, Foster, Aro, Parker and others.

WARNING: Couplers and Plugs on this page are intended for use on compressed air lines
only. All have a maximum rated working pressure of 300 PSI.

1/4" SERIES
COUPLERS
PLUGS
Male Thread
Male Thread
NPT
Size
Plated
Steel
Brass
NPT
Size
Plated
Steel
Brass
1/4"
C21
C21B
1/4"
CP21
CP21B
3/8"
C21-03
---
3/8"
CP21-03
CP21-03B
Female Thread
Female Thread
NPT
Size
Plated
Steel
Brass
NPT
Size
Plated
Steel
Brass
1/4"
C20
C20B
1/4"
CP20
CP20B
3/8"
C20-23
---
3/8"
CP20-23
CP-20-23B
Hose Barb
Hose Barb
Barb
Size
Plated
Steel
Brass
Barb
Size
Plated
Steel
Brass
1/4"
C20-42
C20-42B
1/4"
CP21-42
---
3/8"
C20-44
C20-44B
3/8"
CP21-44
CP21-44B
Lock-on Hose Barb
Lock-on Hose Barb
Barb
Size
Plated
Steel
Barb
Size
Plated
Steel
Brass
1/4"
C20-42L
1/4"
CP21-42L
3/8"
C20-44L
3/8"
CP21-44L




INDUSTRIAL INTERCHANGE

WARNING: Couplers and Plugs on this page are intended for use on compressed air lines
only. All have a maximum rated working pressure of 300 PSI.

3/8" SERIES
COUPLERS
PLUGS
Male Thread
Male Thread
NPT
Size
Plated
Steel
NPT
Size
Plated
Steel
1/4"
C25-02
1/4"
CP25-02
3/8"
C25
3/8"
CP25
1/2"
C25-04
1/2"
CP25-04
Female Thread
Female Thread
NPT
Size
Plated
Steel
NPT
Size
Plated
Steel
1/4"
C26-22
1/4"
CP26-22
3/8"
C26
3/8"
CP26
1/2"
C26-24
1/2"
CP26-24
Hose Barb
Hose Barb
Barb
Size
Plated
Steel
Barb
Size
Plated
Steel
1/4"
C26-42
1/4"
CP25-44
3/8"
C26-44
3/8"
CP25-45
1/2"
C26-45
Lock-on Hose Barb
Barb
Size
Plated
Steel
 
 
1/4"
C26-42L
 
 
3/8"
C26-44L
 
 




INDUSTRIAL INTERCHANGE

WARNING: Couplers and Plugs on this page are intended for use on compressed air lines
only. All have a maximum rated working pressure of 300 PSI.

1/2" SERIES
COUPLERS
PLUGS
Male Thread
Male Thread
NPT
Size
Plated
Steel
NPT
Size
Plated
Steel
3/8"
C9-03
3/8"
CP17-03
1/2"
C9
1/2"
CP17
           
Female Thread
Female Thread
NPT
Size
Plated
Steel
NPT
Size
Plated
Steel
3/8"
C10-23
3/8"
CP18-23
1/2"
C10
1/2"
CP18
           
Hose Barb
Hose Barb
Barb
Size
Plated
Steel
Barb
Size
Plated
Steel
1/2"
C10-45
1/2"
CP17-45
           
           




COMBO COUPLERS

C60 - 1/4" series 1/4" NPT female
C61 - 1/4" series 1/4" NPT male




LINCOLN SERIES
Plated steel couplers have hardened steel balls and stainles steel springs. Coupler plugs are
heat treated and plated to reduce wear on critical mating surfaces. Amflo's Lincoln series of
plugs are easily identified by the very long plug ends. The Lincoln series of coupler bodies
are identified with one narrow and one wide groove on the coupler sleeve. These couplers
interchange with Lincoln as well as units produced by other manufacturers.

1/4" SERIES
COUPLERS
PLUGS
Male Thread
Male Thread
NPT
Size
Plated
Steel
NPT
Size
Plated
Steel
1/4"
C27
1/4"
CP27
           
           
Female Thread
Female Thread
NPT
Size
Plated
Steel
NPT
Size
Plated
Steel
1/4"
C28
1/4"
CP28
           
           





THE ARO SERIES
Plated steel couplers have hardened steel balls and stainles steel springs. Coupler plugs are
heat treated and plated to reduce wear on critical mating surfaces. The Aro series of couplers and plugs are easily identified by a single wide groove on the coupler sleeve and the distinct appearance of the plug. Amflo's aro series interchanges with the Aro 210 as well as units produced by other manufacturers.

WARNING: Couplers and Plugs on this page are intended for use on compressed air lines
only. All have a maximum rated working pressure of 300 PSI.

1/4" SERIES
COUPLERS
PLUGS
Male Thread
Male Thread
NPT
Size
Plated
Steel
Brass
NPT
Size
Plated
Steel
Brass
1/4"
C37
C37B
1/4"
CP37
CP37B
3/8"
C37-03
---
3/8"
CP37-03
---
Female Thread
Female Thread
NPT
Size
Plated
Steel
Brass
NPT
Size
Plated
Steel
Brass
1/4"
C38
C38B
1/4"
CP38
CP38B
3/8"
C38-23
---
3/8"
CP38-23
---
Hose Barb
Hose Barb
Barb
Size
Plated
Steel
 
Barb
Size
Plated
Steel
 
1/4"
C38-42
 
1/4"
CP37-42
 
3/8"
C38-44
 
3/8"
CP37-44B
Lock-on Hose Barb
Lock-on Hose Barb
Barb
Size
Plated
Steel
Barb
Size
Plated
Steel
Brass
1/4"
C38-42L
1/4"
CP37-42L
3/8"
C38-44L
3/8"
CP37-44L





THE ARO SERIES

WARNING: Couplers and Plugs on this page are intended for use on compressed air lines
only. All have a maximum rated working pressure of 300 PSI.

3/8" SERIES
COUPLERS
PLUGS
Male Thread
Male Thread
NPT
Size
Plated
Steel
Brass
NPT
Size
Plated
Steel
3/8"
C35
3/8"
CP35
           
Female Thread
Female Thread
NPT
Size
Plated
Steel
Brass
NPT
Size
Plated
Steel
 
3/8"
C36
3/8"
CP36
 
           


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