Single Shut-Off
Nominal Diameter
5.5 = 25 mm²
RECTUS Series
23KA
Chart
Technical Description
1/4" industrial coupling with UltraFlo technology in accordance with ISO 6150 B and US Mil. Spec. 4109. Especially suitable for use with gaseous media in industry. Steel sleeve counters oscillating forces. Special variants with brass valve for use with liquids.

Advantages
High flow performance with low pressure drop and a multitude of connection options.

Interchangeability
INDUSTR. INTERCHANGE 1/4"
US-MIL-SPEC-C-4109
ISO 6150 B
RECTUS 24, RECTUS 1400/1423
TEMA 1400
CEJN 310, HANSEN 3000
FASTER, GROMELLE 600
PARKER 20 1/4" + 30 1/4"
JWL 521 + JWL 531
Working Pressure
PB = 35 bar, maximum static
working pressure with safety
factor of 4 to 1.

Working Temperature*
-20°C up to +100°C (NBR)
-40°C up to +120/150°C (EPDM)
-15°C up to +200°C (FKM)
depending on the medium.

*At a temperature below
-20°C and above +100°C special
seals are available on request.
Material

Coupling		 Standard
Back Body
Valve Body
Sleeve
Valve
Inner Sleeve
Spring Plate
Spring and Locking Ring
Locking Balls
Seals		 Brass, Nickel Plated
Brass Nickel Plated
Steel Hardened, Nickel Plated
Zinc Diecasting, Nickel Plated
Brass
Brass
AISI 301
AISI 420
NBR
Plug
Plug Steel Hardened, Nickel Plated
or Brass

Couplings

  Connection A Hex SW L mm D mm L1 mm L2 mm Hex1 SW B mm G mm Version Part Number
Male Thread
Male Thread
 R 1/4 19 61 23 12 Standard 23KAAK13MPN
R 3/8 19 60 23 12 Standard 23KAAK17MPN
R 1/2 22 61 23 17 Standard 23KAAK21MPN
                     
Female Thread
Female Thread
 G 1/4 19 56 23 9 Standard 23KAIW13MPN
G 3/8 19 54 23 9 Standard 23KAIW17MPN
G 1/2 24 58 23 9 Standard 23KAIW21MPN
                     
Plastic Hose Connection with Spring Guard
Plastic Hose Connection with Spring Guard
 9 x 12 mm 19 163 23 9 8 M 16 x 1 Standard 23KAKK12MPN
                     
                     
                     
Kunstoffschlauch
Kunstoffschlauch
 8 x 10 mm 19 64 23 9 8 M 16 x 1 Standard 23KAKO10MPN
                     
                     
                     
Hose Barb
Hose Barb
 6 mm 19 74 23 25 Standard 23KATF06MPN
8 mm 19 74 23 25 Standard 23KATF08MPN
9 mm 19 74 23 25 Standard 23KATF09MPN
10 mm 19 74 23 25 Standard 23KATF10MPN
13 mm 19 74 23 25 Standard 23KATF13MPN

Plugs

  Connection A Hex SW L mm D mm L1 mm L2 mm Hex1 SW B mm G mm Version Part Number
Hose Barb
Hose Barb
 4 mm 51 14 25 Nickel Plated 23SFTF04MXN
6 mm 51 14 25 Standard 23SFTF06SXN
6 mm 51 14 25 Brass 23SFTF06MXX
8 mm 51 14 25 Standard 23SFTF08SXN
8 mm 51 14 25 Brass 23SFTF08MXX
9 mm 51 14 25 Standard 23SFTF09SXN
9 mm 51 14 25 Brass 23SFTF09MXX
10 mm 51 14 25 Standard 23SFTF10SXN
10 mm 51 14 25 Brass 23SFTF10MXX
13 mm 51 14 25 Standard 23SFTF13SXN

Plugs

  Connection A Hex SW L mm D mm L1 mm L2 mm Hex1 SW B mm G mm Version Part Number
Flex Joint, Male Thread
Flex Joint, Male Thread
 R 1/4 17 68 11 Standard 23FAAK13SPN
                     
                     
                     
Male Thread
Male Thread
 R 1/8 13 39 9 Standard 23SFAK10SXN
R 1/4 14 42 12 Standard 23SFAK13SXN
G 1/4 14 42 12 Brass 23SFAW13MXX
R 3/8 17 42 12 Standard 23SFAK17SXN
G 3/8 17 42 12 Brass 23SFAW17MXX
R 1/2 22 48 17 Standard 23SFAK21SXN
Female Thread
Female Thread
 G 1/8 14 36 9 Standard 23SFIW10SXN
G 1/4 17 36 9 Standard 23SFIW13SXN
G 1/4 17 36 9 Brass 23SFIW13MXX
G 3/8 19 36 9 Standard 23SFIW17SXN
G 3/8 19 36 9 Brass 23SFIW17MXX
G 1/2 24 39 12 Standard 23SFIW21SXN