Thread Standard: NPTF threads manufactured to ANSI B1.20.3
Standard Compliance: Produced to BS EN 10277
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 values for lightly oiled steel threads
Description
This reducing NPTF male adaptor from Burnett & Hillman is designed to connect NPTF threads of different sizes in hydraulic and pneumatic systems. Manufactured from high-quality mild steel to BS EN 10277 standards, with threads produced to ANSI B1.20.3 specifications, it ensures a precise fit and a secure, leak-free connection under high-pressure conditions.
Key Features & Benefits
Material Strength: Strong mild steel construction for durability
Thread Configuration: Reducing NPTF male for mixed-size threaded connections
Thread Standard: NPTF threads manufactured to ANSI B1.20.3 for accuracy
Standard Compliance: Produced to BS EN 10277 for dimensional precision
Versatile Use: Suitable for hydraulic and pneumatic applications requiring tapered adaptors
Temperature Performance: Operates effectively from -40°C to +120°C
Quality Manufacturing: ISO 9001-certified production for reliable performance
Downloads
Burnett & Hillman Pressure Guide
SKU
Product Code
T1 (")
T2 (")
B1 (")
B2 (")
L1 (")
L2 (")
O/L (")
A /F
379220
1N0204
1/8
1/4
0.188
0.25
0.38
0.56
1.31
0.562"
379221
1N0208
1/8
1/2
0.188
0.5
0.38
0.75
1.475
22mm
379223
1N0406
1/4
3/8
0.25
0.375
0.56
0.56
1.45
0.687"
379224
1N0408
1/4
1/2
0.25
0.5
0.56
0.75
1.67
22mm
379225
1N0412
1/4
3/4
0.25
0.687
0.56
0.75
1.705
27mm
379227
1N0608
3/8
1/2
0.375
0.5
0.56
0.75
1.67
22mm
379229
1N0812
1/2
3/4
0.5
0.687
0.75
0.75
1.925
27mm
379230
1N0816
1/2
1
0.5
0.843
0.75
0.97
2.145
1.375"
379231
1N0820
1/2
1 1/4
0.5
1.203
0.75
0.97
2.185
1.75"
379232
1N0824
1/2
1 1/2
0.5
1.312
0.75
1
2.25
2.05"
379234
1N1216
3/4
1
0.656
0.843
0.75
0.97
2.16
1.375"
379235
1N1220
3/4
1 1/4
0.656
1.203
0.75
0.97
2.22
1.75"
379237
1N1620
1
1/4
0.25
0.843
0.56
0.97
1.925
1.375"
379239
1N2024
1 1/4
1 1/2
1.203
1.312
0.97
1
2.505
50mm
379240
1N2032
1 1/4
2
1.203
1.812
0.97
1.03
2.65
65mm
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.