Double Shut-Off
Nominal Diameter
3 = 7 mm²
RECTUS Series
303KB
Chart
Technical Description
Mini industrial coupling with plug profile according to ISO 6150 C. Popular profile in analytical and medical technology. Above average flow rate performance for liquid and gaseous media.

Interchangeability
RECTUS Design

Working Pressure
PB = 35 bar, maximum static
working pressure with safety
factor of 4 to 1.

Working Temperature*
-15°C up to +200°C (FKM)
depending on the medium.

*At a temperature below
-15°C and above +200°C special
seals are available on request.
Material

Coupling
AISI 316L
Back Body
Valve Body
Sleeve
Valve
Spring
Balls, Pins
Seals
Inner Sleeve
AISI 316 L
AISI 316 L
AISI 316 L
AISI 316 L
AISI 316 Ti
AISI 316
FKM
AISI 316 L
Plug
Plugs AIS 316 L

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
G 1/4 17 45 18 9 AISI 316 L 303KB AW13 EVX
                     
                     
                     
Female Thread
Female Thread
G 1/8 14 43 18 9 AISI 316 L 303KB IW10 EVX
G 1/4 17 45 18 9 AISI 316 L 303KB IW13 EVX
                     
                     
Plastic Hose Connection
Plastic Hose Connection
4x6 mm 14 49 18 7 6 12 M 10 x 1 AISI 316 L 303KB KO06 EVX
6x8 mm 14 49 18 7 6 14 M 12 x 1 AISI 316 L 303KB KO08 EVX
                     
                     
Hose Barb
Hose Barb
4 mm 14 53 18 17 AISI 316 L 303KB TF04 EVX
6 mm 14 53 18 17 AISI 316 L 303KB TF06 EVX
                     
                     

Valved Plugs

  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
G 1/8 14 48,5 7 AISI 316 L 303SB AW10 EVX
G 1/4 17 50,5 9 AISI 316 L 303SB AW13 EVX
                     
                     
Female Thread
Female Thread
G 1/8 14 48,5 9 AISI 316 L 303SB IW10 EVX
G 1/4 17 50,5 9 AISI 316 L 303SB IW13 EVX
                     
                     
Hose Barb
Hose Barb
6 x 8 mm 14 54,5 7 6 14 M 12 x 1 AISI 316 L 303SB KO08 EVX
4 x 6 mm 14 54,5 7 6 12 M 10 x 1 AISI 316 L 303SB KO06 EVX
4 mm 14 58,5 17 AISI 316 L 303SB TF04 EVX
                     
Hose Barb
Hose Barb
6 mm 14 58,5 17 AISI 316 L 303SB TF06 EVX