Double Shut-Off
Nominal Diameter
2.7 = 5 mm²
RECTUS Series
20KB
Chart
Technical Description
Mini industrial coupling, internationally used profile. Notable for a high flow and numerous application options with various media. Frequent use in medical technology and chemistry/pharmacy.

Advantages
Single handed operation. Small dimensions. Minimal pressure drop.

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		 AISI 303 AISI 316L
Back Body
Valve Body
Sleeve
Valve
Spring and Locking Ring
Locking Balls
Seals
(Sleeve made of Aluminium,
elox. on request)		 AISI 303
AISI 303
AISI 303
AISI 303
AISI 301
AISI 420
FKM		 AISI 316 L
AISI 316 L
AISI 316 L
AISI 316 L
AISI 316 Ti
AISI 420
FKM
Plug
Plug Profile
Back Body
Valve
Spring
Seal		 AISI 303
AISI 303
AISI 303
AISI 301
FKM		 AISI 316 L
AISI 316 L
AISI 316 L
AISI 316 Ti
FKM

Couplings

  Connection A Hex SW L mm D mm L1 mm L2 mm Hex1 SW B mm G mm Version Part Number
Male Thread
 M 5 9 26 10 5 AISI 316 L 20KB AM05 EVX
G 1/8 11 28 10 7 AISI 303 20KB AW10 RVX
G 1/8 11 28 10 7 AISI 316 L 20KB AW10 EVX
                     
Female Thread
 M 5 9 25 10 5 AISI 303 20KB IM05 RVX
M 5 9 25 10 5 AISI 316 L 20KB IM05 EVX
G 1/8 12 28 10 7 AISI 303 20KB IW10 RVX
G 1/8 12 28 10 7 AISI 316 L 20KB IW10 EVX
Plastic Hose Connection
 3 x 4 mm 9 34 10 7 5 M 7 x 0,5 AISI 303 20KB KO04 RVX
3 x 4 mm 9 34 10 7 5 M 7 x 0,5 AISI 316 L 20KB KO04 EVX
3 x 5 mm 9 34 10 7 5 M 7 x 0,5 AISI 303 20KB KO05 RVX
3 x 5 mm 9 34 10 7 5 M 7 x 0,5 AISI 316 L 20KB KO05 EVX
4 x 6 mm 9 34 10 7 5 M 8 x 0,5 AISI 303 20KB KO06 RVX
4 x 6 mm 9 34 10 7 5 M 8 x 0,5 AISI 316 L 20KB KO06 EVX
Panel Mount, Plastic Hose Connection
Panel Mount, Plastic Hose Connection
 3 x 4 mm 12 45 10 7 17 11 3 M 7 x 0,5 AISI 303 20KB KS04 RVX
3 x 5 mm 12 45 10 7 17 11 3 M 7 x 0,5 AISI 303 20KB KS05 RVX
4 x 6 mm 12 45 10 7 17 12 3,5 M 8 x 0,5 AISI 303 20KB KS06 RVX
                     
Hose Barb
Hose Barb
 3 mm 35 10 13 AISI 303 20KB TF03 RVX
4 mm 35 10 13 AISI 303 20KB TF04 RVX
4 mm 35 10 13 AISI 316 L 20KB TF04 EVX
5 mm 35 10 13 AISI 303 20KB TF05 RVX

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
 M 5 9 28 5 AISI 303 20SB AM05 RVX
M 5 9 28 5 AISI 316 L 20SB AM05 EVX
G 1/8 11 30 7 AISI 303 20SB AW10 RVX
G 1/8 11 30 7 AISI 316 L 20SB AW10 EVX
Female Thread
 M 5 9 27 5 AISI 303 20SB IM05 RVX
M 5 9 27 5 AISI 316 L 20SB IM05 EVX
G 1/8 12 30 7 AISI 303 20SB IW10 RVX
G 1/8 12 30 7 AISI 316 L 20SB IW10 EVX

Valved Plugs

  Connection A Hex SW L mm D mm L1 mm L2 mm Hex1 SW B mm G mm Version Part Number
Plastic Hose Connection
Plastic Hose Connection
 3 x 4 mm 9 36 7 5 M 7 x 0,5 AISI 303 20SB KO04 RVX
3 x 4 mm 9 36 7 5 M 7 x 0,5 AISI 316 L 20SB KO04 EVX
3 x 5 mm 9 36 7 5 M 7 x 0,5 AISI 303 20SB KO05 RVX
3 x 5 mm 9 36 7 5 M 7 x 0,5 AISI 316 L 20SB KO05 EVX
4 x 6 mm 9 36 7 5 M 8 x 0,5 AISI 303 20SB KO06 RVX
4 x 6 mm 9 36 7 5 M 8 x 0,5 AISI 316 L 20SB KO06 EVX
Panel Mount, Plastic Hose Connection
Panel Mount, Plastic Hose Connection
 3 x 4 mm 12 47 7 17 11 3 M 7 x 0,5 AISI 303 20SB KS04 RVX
3 x 5 mm 12 47 7 17 11 3 M 7 x 0,5 AISI 303 20SB KS05 RVX
4 x 6 mm 12 47 7 17 11 3,5 M 8 x 0,5 AISI 303 20SB KS06 RVX
                     
Hose Barb
Hose Barb
 3 mm 8 37 13 AISI 303 20SB TF03 RVX
4 mm 8 37 13 AISI 303 20SB TF04 RVX
4 mm 8 37 13 AISI 316 L 20SB TF04 EVX
5 mm 8 37 13 AISI 303 20SB TF05 RVX