A BSPP cap is a type of hydraulic fitting designed to seal off or close the end of a pipe or port that uses British Standard Pipe Parallel (BSPP) threads. Here's a detailed overview of its specifications and uses:
What Is a BSPP Cap?
Type: Threaded cap fitting
Thread Standard: BSPP (British Standard Pipe Parallel)
Function: Used to block or seal the end of a BSPP-threaded port or pipe
Seal Mechanism: Typically uses a bonded washer or O-ring to create a leak-proof seal against a flat faceÂ
Key Specifications
Thread Type: Parallel (not tapered)
Standard: ISO 228-1 (for BSPP threads)
Sizes: Common sizes range from 1/8" to 2" or larger
Materials: Brass, stainless steel, carbon steel, or plastic depending on application
Pressure Rating: Varies by material and size, but generally suitable for medium to high-pressure hydraulic systems
Applications
Hydraulic systems
Pneumatic systems
Industrial machinery
Agricultural equipment
Plumbing systems
BSPP caps are often used during maintenance or system modifications to temporarily or permanently seal off unused ports, preventing contamination or fluid leakage.
