BS&B

BPPV™ Buckling Pin Relief Valve

Large-diameter buckling pin relief valve available in sizes from 6" x 6" up to 96" x 96" (150mm x 150mm to 2,400mm x 2,400mm), rated for air service with set pressures from 15 to 275 psi. Externally resettable in minutes without opening the pipeline, using a no-orifice design.

Size range: 6" x 6" to 96" x 96" (150mm x 150mm to 2,400mm x 2,400mm)
Set pressure range: 15–275 psi
Media: Air
Flow resistance coefficient (Kr): 2.2 (no-orifice design)
Operating-to-set pressure ratio: 95% minimum
Reset method: External reset in minutes, no need to open pipeline
Certifications: ASME "UD" stamped (Section XIII); CE marked (PED)
Service: Hazardous service (limits operator exposure); continuous processing

BPPV™ capabilities

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Inlet size	Outlet size	Flow area	Orifice (designator) diameter	Lift	Set pressure range	Media
6 NPS	6 NPS	28.3 sq in	6.0 in	3.0 in	15 – 275 psi	Air
8 NPS	8 NPS	49.0 sq in	7.9 in	4.0 in	15 – 275 psi	Air
10 NPS	10 NPS	77.9 sq in	9.9 in	5.0 in	15 – 275 psi	Air
12 NPS	12 NPS	110.9 sq in	11.9 in	6.0 in	15 – 275 psi	Air
14 NPS	14 NPS	135.2 sq in	13.1 in	6.6 in	15 – 275 psi	Air
16 NPS	16 NPS	179.1 sq in	15.1 in	7.6 in	15 – 275 psi	Air
18 NPS	18 NPS	229.1 sq in	17.1 in	8.5 in	15 – 275 psi	Air
20 NPS	20 NPS	285.3 sq in	19.1 in	9.5 in	15 – 275 psi	Air
24 NPS	24 NPS	416.2 sq in	23.0 in	11.5 in	15 – 275 psi	Air
30 NPS	30 NPS	658.7 sq in	29.0 in	14.5 in	15 – 275 psi	Air

The datasheet tabulates 6 to 30 NPS. Its Performance Features page states an overall size range up to 96" x 96": confirm sizes above 30 NPS with the principal.

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Typical response within one working day. Cut-to-length and site support available.