Reduction - 1/4" BSP x 3/4" BSP female - WD seal
Straight hydraulic thread reducer for adapting between two BSPP (Whitworth parallel) thread sizes in the same line. The fitting connects a G 1/4 male thread to a G 3/4 female thread and seals with a WD profile sealing ring in NBR.
Designed for hydraulic connections where a component or hose assembly with a larger BSPP thread must be connected to a smaller BSPP male stud. Zinc-nickel plated surface treatment and a maximum working pressure of 630 bar support use in demanding hydraulic systems.
Typical Applications
- Adapting between different BSPP port sizes in hydraulic blocks, manifolds, and components
- Thread size reduction in hydraulic hose and pipe assemblies
Partnumber:
KN-04-12
Package size:
40 pcs
Min. order quantity is:
1 pcs
Angle
0 °
Brand Name
Stauff
Corrosion resistance
1200 hours salt spray DIN EN ISO 9227
D2
5 mm
Hexagon
36 mm
L1
43 mm
L2
22 mm
Length
43 mm
Material
Steel
Model code
FI-RED-R1/4-WD-R3/4-B-W3
Pressure max.
630 bar
REACH compliant
Yes
RoHs compliant
Yes
S1
36 mm
Safety factor
4
Sealing material
NBR
Surface treatment
Zinc-Nickel plated
Temperature max.
+100 °C
Temperature min.
-35 °C
Thread T1
G 1/4 BSP
Thread T2
G 3/4 BSP
Thread inner
G 3/4 BSP
Thread outer
G 1/4 BSP
Total length
43 mm
Type
Long
i
12 mm
Package size
40 pcs
Barcode
399791
Gross weight
0,17 Kg
Net weight
0,17 Kg
Country of origin
DEU
Intrastat code
73071110
Straight hydraulic thread reducer for adapting between two BSPP (Whitworth parallel) thread sizes in the same line. The fitting connects a G 1/4 male thread to a G 3/4 female thread and seals with a WD profile sealing ring in NBR.
Designed for hydraulic connections where a component or hose assembly with a larger BSPP thread must be connected to a smaller BSPP male stud. Zinc-nickel plated surface treatment and a maximum working pressure of 630 bar support use in demanding hydraulic systems.
Typical Applications
- Adapting between different BSPP port sizes in hydraulic blocks, manifolds, and components
- Thread size reduction in hydraulic hose and pipe assemblies
Note: Opening 3D files requires a program that supports the file format
Copyright © 2026 HydraSpecma