AAP NBR rubber bellow, 4"

This AAP NBR rubber bellow is drilled to ANSI B16.5 Class 150. It is supplied in 5 sizes from 2" (50mm) to 5" (125mm). A rubber bellow is a flexible joint moulded in a spherical shape from heat-resisting synthetic elastomer, with metal floating flanges. Installed in a piping system, it absorbs movement in three directions: axial (elongation and compression along the centre line), lateral (offset from the centre line) and angular (bending about the centre line).

The body is NBR, rated -25 to +100 °C, with a nylon cord fabric lining and a hard steel wire frame. Applications: air, compressed air, water, sea water, hot water and weak acid.

Where this product is used

• Absorbing axial, lateral and angular pipe movement
• Flexible connections at pumps and other equipment
• Compressed air, water, sea water and hot water lines
• Weak acid duties, subject to chemical resistance

Features

• 5 sizes from 2" (50mm) to 5" (125mm)
• NBR body, -25 to +100 °C
• Flange drilling: ANSI B16.5 Class 150
• Absorbs axial, lateral and angular movement, with 15° angular deflection on all sizes
• Bursting pressure 6,000 kPa and vacuum rating 86.7 kPa
• Moulded spherical body with nylon cord lining, steel wire frame and metal floating flanges
• NBR resists many hydrocarbons, fats, oils, greases and hydraulic fluids

Key specifications

Choosing the right option

Match the flange drilling to the flanges on your pipework: this bellow is drilled to ANSI B16.5 Class 150. NBR is not suited to ozone, ketones, esters, aldehydes or chlorinated and nitro hydrocarbons, so choose an EPDM bellow for those duties.

Related AAP products: AAP NBR Rubber Bellow, Table E, AAP EPDM Rubber Bellow, Table E, AAP EPDM Rubber Bellow, Table E x BS4504 PN16, AAP EPDM Rubber Bellow, Table D, 10" (250mm).