Double Shut-Off
Nominal Diameter
6 = 30 mm²
RECTUS Series
52KB
Chart
Technical Description
German industrial profile with UltraFlo technology. Slim design. Robust steel coupling for compressed air applications – especially for oscillating forces, due to greater insert depth of plug profile and steel sleeve.

Advantages
Single handed operation. Ergonomic design. High flow valve.

Working Pressure
PB = 50 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
Spring and Locking Ring
Locking Balls
Seals
Inner Sleeve
Spring Plate		 Brass, Nickel Plated
Steel, Nickel Plated
Steel Hardened, Nickel Plated
Brass, Nickel Plated
AISI 301
AISI 420
NBR
Brass
Brass
Plug
Plug Profile
Back Body
Valve
Spring
Seal		 Steel Hardened, Nickel Plated
Brass, Nickel Plated
Brass, Nickel Plated
AISI 301
NBR

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 22 62 25 9 Standard 52KB AW13 SPN
G 3/8 22 62 25 9 Standard 52KB AW17 SPN
G 1/2 22 65 25 12 Standard 52KB AW21 SPN
                     
Female Thread
Female Thread
 G 1/4 22 62 25 10 Standard 52KB IW13 SPN
G 3/8 22 60 25 10 Standard 52KB IW17 SPN
G 1/2 22 65 25 13 Standard 52KB IW21 SPN
                     
Hose Barb
Hose Barb
 6 mm 21 79 25 25 Standard 52KB TF06 SPN
9 mm 21 80 25 25 Standard 52KB TF09 SPN
10 mm 21 80 25 25 Standard 52KB TF10 SPN
11 mm 21 80 25 25 Standard 52KB TF11 SPN
13 mm 21 79 25 25 Standard 52KB TF13 SPN

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 1/4 22 48 9 Standard 52SB AW13 SPN
G 3/8 22 48 9 Standard 52SB AW17 SPN
G 1/2 22 48 12 Standard 52SB AW21 SPN
                     
Female Thread
Female Thread
 G 1/4 22 48 9 Standard 52SB IW13 SPN
G 3/8 22 48 9 Standard 52SB IW17 SPN
                     
                     

Valved 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
 6 mm 21 77,5 25 Standard 52SB TF06 SPN
8 mm 21 77,5 25 Standard 52SB TF08 SPN
9 mm 21 77,5 25 Standard 52SB TF09 SPN
10 mm 21 77,5 25 Standard 52SB TF10 SPN
13mm 21 77,5 25 Standard 52SB TF13 SPN