Single Shut-Off
Nominal Diameter
6 = 30 mm²
RECTUS Series
51KB
Chart
Technical Description
German industrial profile with UltraFlo technology. Small dimensions. Robust steel coupling for compressed air applications, especially with oscillating forces due to the greater insert depth of the plug profile and steel sleeve.

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

Interchangeability
WALTHER SP006
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 Plate
Spring and Locking Ring
Locking Balls
Seals
 Brass, Nickel Plated
Steel, Nickel Plated
Steel Hardened; Nickel Plated
Brass, Nickel Plated
Brass
AISI 301
AISI 420
NBR
Plug
Plug Steel Hardened, Nickel Plated

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 61 22 9 Standard 51KBAW13SPN
G 3/8 22 61 22 9 Standard 51KBAW17SPN
G 1/2 22 61 22 12 Standard 51KBAW21SPN
                     
Female Thread
Female Thread
 G 1/4 22 63 22 12 Standard 51KBIW13SPN
G 3/8 22 63 22 12 Standard 51KBIW17SPN
G 1/2 24 64 22 13 Standard 51KBIW21SPN
                     
Hose Barb
Hose Barb
 6 mm 21 78 22 25 Standard 51KBTF06SPN
9 mm 21 78 22 25 Standard 51KBTF09SPN
13 mm 21 78 22 25 Standard 51KBTF13SPN
                     

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 46 11 25 Standard 51SFTF06SXN
9 mm 46 11 25 Standard 51SFTF09SXN
                     
                     

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 17 35 9 Standard 51SFAW13SXN
G 3/8 19 36 9 Standard 51SFAW17SXN
                     
                     
Female Thread
Female Thread
 G 1/4 17 34 11 Standard 51SFIW13SXN
G 3/8 19 34 11 Standard 51SFIW17SXN