Couplers  
     
     
 

 
     
 

From factory air line to pneumatic tool connection, available in various body materials, sizes and connection types. Excellent durability in any environment.
 
 
  • An excellent general-purpose Cupla for connecting factory air supply to pneumatic tool hose.
  • Steel Cupla is suitable for air and brass or stainless is suitable for water. Note that fluid will flow out from the plug on disconnection.
  • Important structural parts of steel models are hardened for added strength. Extremely wear resistant and durable.
  • Available in various body materials, sizes and connection types to suit a wide range of applications
 
     
  Specifications
 
 
 
Body Material Steel (chrome-plated) Brass Stainless Steel
Size 1/8" {10 type}, 1/4" {20 type}, 3/8" {30 type}, 1/2" (400 type},
3/4" {600 type}, 1" {800 type}
Working pressure MPa(kgf/cm²) 1.5 {15} 1.0 {10} 1.5 {15}
Pressure Resistance MPa(kgf/cm²) 2.0 {20} 1.5 {15} 2.0 {20}
Packing Material Nitto Symbol Working temp. Remarks
Packing Material,
Working temperature range
NBR SG -20ºC – +80ºC Standard material
Fluoro-rubber 9FKM) X-100 -20ºC – +180ºC Order product
 
     
  Max. Tightning Torque* N•m {kgf•cm}
 
 
 
Size 1/8" 1/4" 3/8" 1/2" 3/4" 1"
Steel (chrome-plated) 7 {71} 14 {143} 22 {224} 60 {612} 100 {1020} 100 {1020}
Torque Brass - 9 {92} 11 {112} 30 {306} 50 {510} 50 {510}
Stainless Steel - 14 {143} 22 {224} 60 {612} 100 {1020} 100 {1020}
 
     
  Fluid Flow Direction  
  Fluid flows from socket to plug.  
 

 
     
  Interchangeability
 
 
 
  1. Models 10 (1/8"), 17 (1/4", 20 (1/4", 30 (3/8") and 40 (1/2") have sockets and plugs that can be interchanged regardless of connection type.
  2. Models 400 (1/2"), 600 (3/4") and 800 (1") have sockets and plugs that can be interchanged regardless of connection type. However (1) and (2) can not be interchanged with each other.
  3. Interchangeable with all Hi Cupla Series products.
     
 
     
  Min. Cross-Sectional Area (mm²)  
  •17, 20, 30, 40 type
 
 
 
Socket \ Plug 17PH 20PH 20PM/PF 30PM 30PM/P 40PH 40PM/PF
17SH 16 16 16 16 16 16 16
20SH 16 20 20 20 20 20 20
20SM/SF 16 20 33 33 33 33 33
30SH 16 20 33 33 33 33 33
30SM/SF 16 20 33 33 33 33 33
40SH 16 20 33 33 33 33 33
40SM/SF 16 20 33 33 33 33 33
 
     
     
  •400, 600, 800 type
 
 
 
Socket \ Plug 400PH 400PM/PF 600PH 600PM/PF 800PH 800PM/PF
400SH 64 64 64 64 64 64
400SM/SF 64 94 94 94 94 94
600SH 64 94 94 94 94 94
600SM/SF 64 94 94 94 94 94
800SH 64 94 94 94 94 94
800SM/SF 64 94 94 94 94 94
 
     
  Suitability for Vacuum Applications  
  Not suitable for use with vacuum, either alone or in combination.
 
 
  Pressure - Flow Rate Characteristics  
  (Measuring conditions) •Fluid Air •Temperature: Room temperature
 
 
 

 
     
  Product Codes and Dimensions Tables  
  Plug  
 

 
     
  • For hose connection (PH)
 
 
 
   

Mass (g)

Dimensions (mm)
Product Code Application Steel Brass Stainless Lp øHp A C øT øBp øBd
17PH For 1/4" hose 24 - - 54 16 27 20 7.2 4.5 7.5
20PH For 1/4" hose 28 30 26 57 16 30 20 9 5 7.5
30PH For 3/8" hose 31 34 27 61 16 34 20 11.3 7.5 7.5
40PH For 1/2" hose 53 58 47 63 20 36 20 15 7.5 7.5
400PH For 1/2" hose 66 72 67 66 22 36 23 15 9 13
600PH For 3/4" hose 121 132 129 77 30 45 23 21 13 13
800PH For 1" hose 152 167 150 85 34 54 23 27 20 13
 
 
     
 

 
     
  • For female thread connection (PM)
 
 
 
   

Mass (g)

Dimensions (mm)
Product Code Application Steel Brass Stainless Lp øHp A C T øBp øBd
10PM Rc1/8(PT1/8) 22 - - 37 Hex.14 10 20 R1/8 4 7.5
20PM Rc1/4(PT1/4) 25 28 27 41 Hex.14 13 20 R1/4 7.5 7.5
30PM Rc3/8(PT3/8) 46 50 45 42 Hex.19 14 20 R3/8 7.5 7.5
40PM Rc1/2(PT1/2) 59 66 62 46 Hex.22 16 20 R1/2 12 7.5
400PM Rc1/2(PT1/2) 69 77 70 50 Hex.22 16 23 R1/2 13 13
600PM Rc3/4(PT3/4) 116 126 115 55 Hex.32 18 23 R3/4 19 13
800PM Rc1(PT1) 152 152 198 63 Hex.35 22 23 R1 22 13
Option (steel only):PT threads with a seal tape and NPT threads for 20PM, 30PM and 40PM models.
 
     
 

 
     
  • For male thread connection (PF)
 
 
 
   

Mass (g)

Dimensions (mm)
Product Code Application Steel Brass Stainless Lp Hp A C T øBd
20PF R1/4(PT1/4) 28 30 30 36 Hex.17 13 20 Rc1/4 7.5
30PF R3/8(PT3/8) 39 41 41 37 Hex.21 14 20 Rc3/8 7.5
40PF R1/2(PT1/2) 70 77 69 38 Hex.29 15 20 Rc1/2 7.5
400PF R1/2(PT1/2) 82 89 81 41 Hex.29 15 23 Rc1/2 7.5
600PF R3/4(PT3/4) 116 126 118 45 Hex.35 17 23 Rc3/4 13
800PF R1(PT1) 190 202 192 54 Hex.41 22 23 Rc1 13
 Option (steel only):NPT threads for 20PF, 30PF and 40PF models.
 
     
 

 
     
  • For male thread connection <parallel threads> (PFF)
 
 
 
   

Mass (g)

Dimensions (mm)
Product Code Application Steel Brass Stainless Lp Hp A C T øBd
20PFF G1/4(PF1/4) 23 - - 32 Hex.17 9 20 G1/4 7.5
 
 
     
  Socket
 
 
 

 
     
  • For hose connection (SH)
 
 
 
   

Mass (g)

Dimensions (mm)
Product Code Application Steel Brass Stainless Ls øD A øT øBs
17SH For 1/4" hose 99 69.5 26.5 27 7.2 4.5
20SH For 1/4" hose 103 107 100 72.5 26.5*¹ 30 9 5
30SH For 3/8" hose 106 106 101 76.5 26.5*¹ 34 11.3 7.5
40SH For 1/2" hose 118 118 118 78.5 26.5*¹ 36 15 9
400SH For 1/2" hose 220 220 218 83 35 36 15 9
600SH For 3/4" hose 251 251 242 92 35 45 21 14
800SH For 1" hose 273 273 272 102 35 55 27 16
 
 
     
 

 
     
  • For female thread connection (SM)a
 
 
 
   

Mass (g)

Dimensions (mm)
Product Code Application Steel Brass Stainless Ls øD Hs A T øBs
10SM Rc1/8(PT1/8) 98 52.5 26.5*¹ Hex.19 10 R1/8 5
20SM Rc1/4(PT1/4) 101 104 96 55.5 26.5*¹ Hex.19 13 R1/4 7
30SM Rc3/8(PT3/8) 108 119 105 56.5 26.5*¹ Hex.19 14 R3/8 8
40SM Rc1/2(PT1/2) 131 136 120 59.5 26.5*¹ Hex.23*² 16 R1/2 9
400SM Rc1/2(PT1/2) 213 232 207 63 35 Hex.29 16 R1/2 13
600SM Rc3/4(PT3/4) 260 283 241 67 35 Hex.32 19 R3/4 16
800SM Rc1(PT1) 288 317 303 72 35 Hex.36*¹ 22 R1 16
Option (steel only):PT threads with a seal tape and NPT threads for 20SM, 30SM and 40SM models.
 
     
 

 
     
  • For male thread connection (SF)
 
 
 
   

Mass (g)

Dimensions (mm)
Product Code Application Steel Brass Stainless Ls øD Hs A T
20SF R1/4(PT1/4) 95 103 98 49.5 26.5*¹ Hex.19 13 Rc1/4
30SF R3/8(PT3/8) 103 105 99 50.5 26.5*¹ Hex.21 14 Rc3/8
40SF R1/2(PT1/2) 139 149 138 52.5 26.5*¹ Hex.29 15 Rc1/2
4000SF R1/2(PT1/2) 216 235 216 57 35 Hex.29 15 Rc1/2
600SF R3/4 (PT3/4) 260 283 258 61 35 Hex.35 17 Rc3/4
800SF R1(PT1) 324 353 317 68 35 Hex.41 22 Rc1
Option (steel only):NPT threads for 20SF, 30SF and 40SF models.
 
     
  Note:  
  Plugs and sockets pictured above are steel 20, 30 and 40 models.
*¹ øD=25.4 for brass and stainless steel models.
*² Hs=Hex.22 for brass and stainless steel models.
*³ Hs+Hex.38 for brass and stainless steel models
 
 
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