BP420-1/2-3M-3

Manufacturer: Dynisco
Order code: 902138
Category: BP420 series

BP420-1/2-3M-3 (order code 902138) – rupture disc by Dynisco, BP420 series. Main parameters: process connection 1/2-20UNF, pressure range 3000 psi, rupture disc length 7.6 cm, polymer outlet port Standard hex nut.

Dynisco BP420 rupture discs, designed for plastics extrusion systems, provide reliable emergency pressure relief. This model activates at a specific set pressure and temperature, at which its one-piece 304 stainless steel assembly with a welded-in Inconel rupture disc bursts instantly. The disc is designed so as not to create cavities in which polymer could accumulate. These rupture discs are ideal for primary relief in applications with rapid pressure rise, such as polymer extruders and extrusion lines. Each rupture disc is tested at its rated pressure and temperature, marked with laser-engraved markings for better visibility and supplied with a protective cover.

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Parameters

Process connection	1/2-20UNF
Pressure range	3000 psi
Rupture disc length	7.6 cm
Polymer outlet port	Standard hex nut
Material of construction	stainless steel 304
Rupture disc material	Inconel
Disc size	3/16" (4.8 mm)
Accuracy	±10% at 300-399°C

Description

Dynisco BP420 rupture discs, designed for plastics extrusion systems, provide reliable emergency pressure relief. This model activates at a specific set pressure and temperature, at which its one-piece 304 stainless steel assembly with a welded-in Inconel rupture disc bursts instantly. The disc is designed so as not to create cavities in which product could accumulate. These rupture discs are ideal for primary relief in applications with rapid pressure rise, such as polymerization reaction vessels. Each rupture disc is tested at its rated pressure and temperature, marked with laser-engraved markings for better visibility and supplied with a protective cover.