Thread Standard: BSPP threads compatible with ISO 8434-6 / BS 5200
Temperature Range: -40°C to +120°C (no pressure reduction)
Pressure Ratings:
Proof Pressure: 2× working pressure
Burst Pressure: 4× working pressure
Torque Guidance: Recommended torque based on lightly oiled steel threads
Description
This reducing BSPP male-to-male adaptor from Burnett & Hillman is built to 174 Spec and features a 60° cone seal for robust, leak-free connections. Manufactured from mild steel, it is designed for applications requiring size reduction between BSPP threads in high-pressure hydraulic or pneumatic systems. Precision-engineered to strict standards, it ensures long-lasting, reliable performance.
Key Features & Benefits
Material Strength: Strong mild steel construction for durability
Thread Configuration: Reducing BSPP male-to-male for versatile size adaptation
Seal Type: 60° cone provides dependable metal-to-metal sealing
Specification Standard: Produced to 174 Spec for assured compatibility
Temperature Performance: Performs reliably from -40°C to +120°C
Application Versatility: Suitable for hydraulic and pneumatic installations
Quality Manufacturing: Produced under ISO 9001 standards for consistent reliability
Downloads
Burnett & Hillman Pressure Guide
SKU
Product Code
T1 (")
T2 (")
B1 (")
B2 (")
L1 (")
L2 (")
O/L (")
A/F (mm)
379022
00100
1/8
1/4
0.137
0.185
0.44
0.45
1.13
19
379024
00117
1/4
3/8
0.185
0.48
0.53
1.29
22
379025
00101
1/4
1/2
0.185
0.437
0.48
0.64
1.485
27
379027
00102
3/8
1/2
0.312
0.437
0.53
0.64
1.535
27
379028
00103
3/8
3/4
0.312
0.659
0.53
0.74
1.718
32
379030
00104
1/2
3/4
0.437
0.659
0.64
0.74
1.828
32
379031
00116
1/2
1
0.437
0.965
0.64
0.965
2.178
41
379033
00106
3/4
1
0.659
0.875
0.74
0.965
2.278
41
379035
00119
1
1 1/4
0.875
1.13
0.97
0.97
2.66
50
379037
00110
1 1/4
1 1/2
1.125
1.31
0.97
1.07
2.93
55
379038
00129
1 1/4
2
1.125
1.81
0.97
1.07
3.18
70
379040
00112
1 1/2
2
1.312
1.81
1.07
1.07
3.28
70
IMPORTANT: The technical data given on this website is for preliminary information purposes only and is published without guarantee. All line drawings are for illustrative purposes only and should not be regarded as wholly accurate in every detail. We reserve the right to withdraw or to alter the specification of any product without notice. For more information, please consult our Terms of Business.
If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.