Rectukey Coupler
SERIES 25 RectuKey - 1/4" Body - NOMINAL PLUG BORE .31"


Specifications:
Caution: Cannot be interconnected with the standard 25 Series.
- Working Temperature: depending on medium
-4°F up to +300°F (NBR) - Working Pressure: 500 psi, maximum static working pressure with 4:1 design factor.
- BSP male & female threads are available upon request.
Caution: Cannot be interconnected with the standard 25 Series.
This series is also available without a valve in a Straight-Thru design and a Double Shut-Off design. For Straight-Thru Couplers, please change the part number from 25KA to 25KF when ordering. For Double Shut-Off Couplers, please change the part number from 25KA to 25KB when ordering.
- 1/4" Body - Automatic Single Shut-Off - NOMINAL PLUG BORE .31"
Series 25KF RectuKey - 1/4" Body - Automatic Straight-Thru - NOMINAL PLUG BORE .31"
Series 25KB RectuKey - Double Shut-Off

Male Thread
Coupler

Female Thread
Coupler

Hose Barb
Coupler

Plastic Hose Connect.
Coupler

Hose Barb
Plug

Plastic Hose
Connect. Plug

Panel Mount Hose
Barb Plug
- 1/4" Body - Automatic Single Shut-Off - NOMINAL PLUG BORE .31"
Series 25KF RectuKey - 1/4" Body - Automatic Straight-Thru - NOMINAL PLUG BORE .31"
Series 25KB RectuKey - Double Shut-Off


Material | ||||
COUPLER | STANDARD MATERIAL |
NICKEL PLATED |
||
Back Body | Brass | Brass, Nickel Plated |
||
Valve Body | Brass | Brass, Nickel Plated |
||
Sleeve | Aluminium anodized | Aluminium anodized | ||
Valve | Zinc Die-Casting | Nickel Plated | ||
Spring & Locking Ring |
AISI 301 | AISI 301 | ||
Locking Balls | AISI 420 | AISI 420 | ||
Seals | NBR | NBR | ||
PLUG | Brass, w/anodized aluminium designation |
Brass,Nickel Plated, w/anodized aluminium designation |
Series 25 KA Standard Couplers (COLOR CODED) | Standard | ||||||||||||
![]() |
![]() |
![]() |
![]() |
||||||||||
Plug Type |
Connection (A) |
Hex (SW) |
Length (L) |
Depth (D) |
L1 | L2 | Hex1 (SW1) |
B | G | Green P/N |
Brown P/N |
Blue P/N |
Red P/N |
Male Thread |
1/4" NPT | .74 | 2.30 | .90 | .47 | 25KA AN13 BPX0 | 25KA AN13 BPX3 | 25KA AN13 BPX6 | 25KA AN13 BPX8 | ||||
3/8" NPT | .74 | 2.30 | .90 | .47 | 25KA AN17 BPX0 | 25KA AN17 BPX3 | 25KA AN17 BPX6 | 25KA AN17 BPX8 | |||||
1/2" NPT | .86 | 2.40 | .90 | .66 | 25KA AN21 BPX0 | 25KA AN21 BPX3 | 25KA AN21 BPX6 | 25KA AN21 BPX8 | |||||
Female Thread |
1/4" NPSF | .74 | 2.30 | .90 | .51 | 25KA IN13 BPX0 | 25KA IN13 BPX3 | 25KA IN13 BPX6 | 25KA IN13 BPX8 | ||||
3/8" NPSF | .74 | 2.55 | .90 | .55 | 25KA IN17 BPX0 | 25KA IN17 BPX3 | 25KA IN17 BPX6 | 25KA IN17 BPX8 | |||||
1/2" NPSF | .94 | 2.67 | .90 | .72 | 25KA IN21 BPX0 | 25KA IN21 BPX3 | 25KA IN21 BPX6 | 25KA IN21 BPX8 | |||||
Hose Barb |
1/4" | .74 | 2.91 | .90 | .98 | 25KA TF06 BPX0 | 25KA TF06 BPX3 | 25KA TF06 BPX6 | 25KA TF06 BPX8 | ||||
3/8" | .74 | 2.91 | .90 | .98 | 25KA TF10 BPX0 | 25KA TF10 BPX3 | 25KA TF10 BPX6 | 25KA TF10 BPX8 | |||||
1/2" | .74 | 2.91 | .90 | .98 | 25KA TF13 BPX0 | 25KA TF13 BPX3 | 25KA TF13 BPX6 | 25KA TF13 BPX8 | |||||
Plastic Hose Connection |
1/4" x 5/16" | .74 | 2.40 | .90 | .27 | .23 | M 12x1 | 25KA KO08 BPX0 | 25KA KO08 BPX3 | 25KA KO08 BPX6 | 25KA KO08 BPX8 | ||
5/16" x .393" | .74 | 2.55 | .90 | .35 | .31 | M 16x1 | 25KA KO10 BPX0 | 25KA KO10 BPX3 | 25KA KO10 BPX6 | 25KA KO10 BPX8 | |||
3/8" x .455" | .74 | 2.55 | .90 | .35 | .31 | M 16x1 | 25KA KO12 BPX0 | 25KA KO12 BPX3 | 25KA KO12 BPX6 | 25KA KO12 BPX8 |
Series 25 KA Nickel Plated Couplers (COLOR CODED) | Nickel | ||||||||||||
![]() |
![]() |
![]() |
![]() |
||||||||||
Plug Type |
Connection (A) |
Hex (SW) |
Length (L) |
Depth (D) |
L1 | L2 | Hex1 (SW1) |
B | G | Green P/N |
Brown P/N |
Blue P/N |
Red P/N |
Male Thread |
1/4" NPT | .74 | 2.30 | .90 | .47 | 25KA AN13 BPN0 | 25KA AN13 BPN3 | 25KA AN13 BPN6 | 25KA AN13 BPN8 | ||||
3/8" NPT | .74 | 2.30 | .90 | .47 | 25KA AN17 BPN0 | 25KA AN17 BPN3 | 25KA AN17 BPN6 | 25KA AN17 BPN8 | |||||
1/2" NPT | .86 | 2.40 | .90 | .66 | 25KA AN21 BPN0 | 25KA AN21 BPN3 | 25KA AN21 BPN6 | 25KA AN21 BPN8 | |||||
Female Thread |
1/4" NPSF | .74 | 2.30 | .90 | .51 | 25KA IN13 BPN0 | 25KA IN13 BPN3 | 25KA IN13 BPN6 | 25KA IN13 BPN8 | ||||
3/8" NPSF | .74 | 2.55 | .90 | .55 | 25KA IN17 BPN0 | 25KA IN17 BPN3 | 25KA IN17 BPN6 | 25KA IN17 BPN8 | |||||
1/2" NPSF | .94 | 2.67 | .90 | .72 | 25KA IN21 BPN0 | 25KA IN21 BPN3 | 25KA IN21 BPN6 | 25KA IN21 BPN8 | |||||
Hose Barb |
1/4" | .74 | 2.91 | .90 | .98 | 25KA TF06 BPN0 | 25KA TF06 BPN3 | 25KA TF06 BPN6 | 25KA TF06 BPN8 | ||||
3/8" | .74 | 2.91 | .90 | .98 | 25KA TF10 BPN0 | 25KA TF10 BPN3 | 25KA TF10 BPN6 | 25KA TF10 BPN8 | |||||
1/2" | .74 | 2.91 | .90 | .98 | 25KA TF13 BPN0 | 25KA TF13 BPN3 | 25KA TF13 BPN6 | 25KA TF13 BPN8 | |||||
Plastic Hose Connection |
1/4" x 5/16" | .74 | 2.40 | .90 | .27 | .23 | M 12x1 | 25KA KO08 BPN0 | 25KA KO08 BPN3 | 25KA KO08 BPN6 | 25KA KO08 BPN8 | ||
5/16" x .393" | .74 | 2.55 | .90 | .35 | .31 | M 16x1 | 25KA KO10 BPN0 | 25KA KO10 BPN3 | 25KA KO10 BPN6 | 25KA KO10 BPN8 | |||
3/8" x .455" | .74 | 2.55 | .90 | .35 | .31 | M 16x1 | 25KA KO12 BPN0 | 25KA KO12 BPN3 | 25KA KO12 BPN6 | 25KA KO12 BPN8 |

Male Thread
Coupler

Female Thread
Coupler

Hose Barb
Coupler

Plastic Hose Connect.
Coupler
Series 26 (25) SF Standard Plugs (COLOR CODED) | Standard | ||||||||||||
![]() |
![]() |
![]() |
![]() |
||||||||||
Plug Type |
Connection (A) |
Hex (SW) |
Length (L) |
Depth (D) |
L1 | L2 | Hex1 (SW1) |
B | G | Green P/N |
Brown P/N |
Blue P/N |
Red P/N |
Hose Barb |
1/4" | 1.98 | .59 | .98 | 26SF TF06 MXX0 | 26SF TF06 MXX3 | 26SF TF06 MXX6 | 26SF TF06 MXX8 | |||||
3/8" | 1.98 | .59 | .98 | 26SF TF10 MXX0 | 26SF TF10 MXX3 | 26SF TF10 MXX6 | 26SF TF10 MXX8 | ||||||
1/2" | 1.98 | .59 | .98 | 26SF TF13 MXX0 | 26SF TF13 MXX3 | 26SF TF13 MXX6 | 26SF TF13 MXX8 | ||||||
Plastic Hose Connection |
1/4" x 5/16" | 1.71 | .59 | .27 | .23 | M 12x1 | 26SF KO08 MXX0 | 26SF KO08 MXX3 | 26SF KO08 MXX6 | 26SF KO08 MXX8 | |||
5/16" x .393" | .66 | 1.79 | .33 | .33 | M 16x1 | 26SF KO10 MXX0 | 26SF KO10 MXX3 | 26SF KO10 MXX6 | 26SF KO10 MXX8 | ||||
Panel Mount, Hose Barb |
1/4" | .66 | 2.36 | .66 | .55 | .66 | .15 | M 12x1 | 26SF TS06 MXX0 | 26SF TS06 MXX3 | 26SF TS06 MXX6 | 26SF TS06 MXX8 | |
3/8" | .66 | 2.36 | .66 | .55 | .66 | .15 | M 14x1 | 26SF TS10 MXX0 | 26SF TS10 MXX3 | 26SF TS10 MXX6 | 26SF TS10 MXX8 | ||
1/2" | .74 | 2.67 | .66 | .55 | .74 | .15 | M 16x1 | 26SF TS13 MXX0 | 26SF TS13 MXX3 | 26SF TS13 MXX6 | 26SF TS13 MXX8 | ||
Male Thread |
1/4" NPT | .66 | 1.55 | .47 | 26SF AN13 MXX0 | 26SF AN13 MXX3 | 26SF AN13 MXX6 | 26SF AN13 MXX8 | |||||
3/8" NPT | .66 | 1.61 | .47 | 26SF AN17 MXX0 | 26SF AN17 MXX3 | 26SF AN17 MXX6 | 26SF AN17 MXX8 | ||||||
Female Thread |
1/4" NPSF | .66 | 1.71 | .51 | 26SF IN13 MXX0 | 26SF IN13 MXX3 | 26SF IN13 MXX6 | 26SF IN13 MXX8 | |||||
3/8" NPSF | .74 | 1.77 | .55 | 26SF IN17 MXX0 | 26SF IN17 MXX3 | 26SF IN17 MXX6 | 26SF IN17 MXX8 |
Series 26 (25) SF Nickel Plated Plugs (COLOR CODED) | Nickel | ||||||||||||
![]() |
![]() |
![]() |
![]() |
||||||||||
Plug Type |
Connection (A) |
Hex (SW) |
Length (L) |
Depth (D) |
L1 | L2 | Hex1 (SW1) |
B | G | Green P/N |
Brown P/N |
Blue P/N |
Red P/N |
Hose Barb |
1/4" | 1.98 | .59 | .98 | 26SF TF06 MXN0 | 26SF TF06 MXN3 | 26SF TF06 MXN6 | 26SF TF06 MXN8 | |||||
3/8" | 1.98 | .59 | .98 | 26SF TF10 MXN0 | 26SF TF10 MXN3 | 26SF TF10 MXN6 | 26SF TF10 MXN8 | ||||||
1/2" | 1.98 | .59 | .98 | 26SF TF13 MXN0 | 26SF TF13 MXN3 | 26SF TF13 MXN6 | 26SF TF13 MXN8 | ||||||
Plastic Hose Connection |
1/4" x 5/16" | 1.71 | .59 | .27 | .23 | M 12x1 | 26SF KO08 MXN0 | 26SF KO08 MXN3 | 26SF KO08 MXN6 | 26SF KO08 MXN8 | |||
5/16" x .393" | .66 | 1.79 | .33 | .33 | M 16x1 | 26SF KO10 MXN0 | 26SF KO10 MXN3 | 26SF KO10 MXN6 | 26SF KO10 MXN8 | ||||
Panel Mount, Hose Barb |
1/4" | .66 | 2.36 | .66 | .55 | .66 | .15 | M 12x1 | 26SF TS06 MXN0 | 26SF TS06 MXN3 | 26SF TS06 MXN6 | 26SF TS06 MXN8 | |
3/8" | .66 | 2.36 | .66 | .55 | .66 | .15 | M 14x1 | 26SF TS10 MXN0 | 26SF TS10 MXN3 | 26SF TS10 MXN6 | 26SF TS10 MXN8 | ||
1/2" | .74 | 2.67 | .66 | .55 | .74 | .15 | M 16x1 | 26SF TS13 MXN0 | 26SF TS13 MXN3 | 26SF TS13 MXN6 | 26SF TS13 MXN8 | ||
Male Thread |
1/4" NPT | .66 | 1.55 | .47 | 26SF AN13 MXN0 | 26SF AN13 MXN3 | 26SF AN13 MXN6 | 26SF AN13 MXN8 | |||||
3/8" NPT | .66 | 1.61 | .47 | 26SF AN17 MXN0 | 26SF AN17 MXN3 | 26SF AN17 MXN6 | 26SF AN17 MXN8 | ||||||
Female Thread |
1/4" NPSF | .66 | 1.71 | .51 | 26SF IN13 MXN0 | 26SF IN13 MXN3 | 26SF IN13 MXN6 | 26SF IN13 MXN8 | |||||
3/8" NPSF | .74 | 1.77 | .55 | 26SF IN17 MXN0 | 26SF IN17 MXN3 | 26SF IN17 MXN6 | 26SF IN17 MXN8 |

Hose Barb
Plug

Plastic Hose
Connect. Plug

Panel Mount Hose
Barb Plug

Male Thread
Plug

Female Thread
Plug



