Single
Shut-Off
Nominal Diameter
6 = 30 mm²
6 = 30 mm²
RECTUS Series
31KA
31KA
Chart
Technical Description
Steel industrial coupling with high flow due to UltraFlo technology. Widely used in the Scandinavian market. Specially suited to use with gaseous media in industry.Advantages
Single handed operation. Extremely high flow performance from optimum valve design. High flow valve.Interchangeability
TEMA 1300(single shut-off)Cejn 303
Working Pressure
PB = 35 bar, maximum staticworking 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, Black Nitrided Brass, Nickel Plated Brass Brass AISI 301 AISI 420 NBR |
|||
| Plug | ||||
| Plug | Steel Hardened, Zinc Chromatized | |||
Couplings
| Connection A | Hex SW | L mm | D mm | L1 mm | L2 mm | Hex1 SW | B mm | G mm | Version | Part Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 Male Thread |
R 1/4 | 19 | 58 | 22 | 12 | Standard | 31KAAK13SPN | ||||
| R 3/8 | 19 | 56 | 22 | 12 | Standard | 31KAAK17SPN | |||||
| R 1/2 | 23 | 57 | 26 | 14 | Standard | 31KAAK21SPN | |||||
 Female Thread |
G 1/4 | 19 | 55 | 22 | 11 | Standard | 31KAIW13SPN | ||||
| G 3/8 | 20 | 55 | 22 | 10 | Standard | 31KAIW17SPN | |||||
 Hose Barb |
6 mm | 19 | 78 | 22 | 23 | Standard | 31KATF06SPN | ||||
| 8 mm | 19 | 78 | 22 | 23 | Standard | 31KATF08SPN | |||||
| 10 mm | 19 | 78 | 22 | 23 | Standard | 31KATF10SPN | |||||
| 13 mm | 19 | 77 | 22 | 24 | Standard | 31KATF13SPN |
Plugs
| Connection A | Hex SW | L mm | D mm | L1 mm | L2 mm | Hex1 SW | B mm | G mm | Version | Part Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 Hose Barb |
6 mm | 44 | 12 | 23 | Standard | 31SFTF06SXZ | |||||
| 8 mm | 44 | 12 | 23 | Standard | 31SFTF08SXZ | ||||||
| 10 mm | 44 | 12 | 24 | Standard | 31SFTF10SXZ | ||||||
| 13 mm | 47 | 12 | 24 | Standard | 31SFTF13SXZ |
Plugs
| Connection A | Hex SW | L mm | D mm | L1 mm | L2 mm | Hex1 SW | B mm | G mm | Version | Part Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 Male Thread |
R 1/8 | 13 | 35 | 9 | Standard | 31SFAK10SXZ | |||||
| R 1/4 | 14 | 38 | 12 | Standard | 31SFAK13SXZ | ||||||
| R 3/8 | 17 | 38 | 12 | Standard | 31SFAK17SXZ | ||||||
| R 1/2 | 22 | 40 | 14 | Standard | 31SFAK21SXZ | ||||||
 Female Thread |
G 1/8 | 13 | 32 | 8,5 | Standard | 31SFIW10SXZ | |||||
| G 1/4 | 16 | 36 | 10 | Standard | 31SFIW13SXZ | ||||||
| G 3/8 | 20 | 36 | 10 | Standard | 31SFIW17SXZ | ||||||