BSPP: male with 60° cone for metal-to-metal sealing
NPSM: swivel female typically seals via cone interface or mating flare
Thread Type: BSPP (British Standard Pipe Parallel) male x NPSM (National Pipe Straight Mechanical) swivel female
Standard Compliance: Manufactured 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: Use with lightly oiled steel threads
Quality Assurance: ISO 9001-certified manufacturing
Description
This adaptor connects a BSPP male thread with a 60° cone to a swivel NPSM female thread, allowing cross-standard integration of hydraulic or fluid systems. The swivel function aids in installation by preventing hose twist and easing alignment. Built from durable mild steel to BS EN 10277 standards, it offers precision fit and dependable sealing performance in demanding applications.
Key Features & Benefits
Cross-Standard Adaptation: BSPP male to NPSM swivel female connection
60° Cone Seal: BSPP end provides metal-to-metal sealing
Swivel Female End: Eases assembly and alignment, reducing strain
Durable Build: High-quality mild steel for robust performance
Accurate Threading: Machined to BS EN 10277 for precise fit
Versatile Application: Suitable for hydraulic, pneumatic, and industrial systems
Certified Quality: Manufactured under ISO 9001 standards for reliability
Downloads
Burnett & Hillman Pressure Guide
SKU
Product Code
Male T1 (")
Female T2 (")
B1 (")
B2 (")
L1 (")
L2 (")
O/L (")
A/F (mm)
A/F1 (mm)
379760
31427
1/4
1/4
0.25
0.172
0.45
1.16
1.37
19
19
379761
31429
1/4
3/8
0.185
0.185
0.45
1.242
1.5
19
22
379762
31433
3/8
1/4
0.312
0.172
0.52
1.25
1.45
22
19
379763
31434
3/8
3/8
0.312
0.271
0.52
1.347
1.6
22
22
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.
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