The style RBM Flex screwed union expansion joints are designed to absorb pipe movements, stress, isolate vibrations, reducing system noise and protect against start up and surge force.

The RBM Flex are designed in twin sphere because its proven absorption and flexibility in all directional movements during operation. By combination of spherical structure with super stability  against internal pressure and strong special reinforcement the RBm Flex bar bursting pressure or above at normal temperature.  The matal parts made of malleable cast iron and zinc plated are furnished with BSP threads as standard. Also available in SS and or NPT threaded unions.

Features
1. Superb absorption vibration.
2. Effective for large eccentricity thermal and bending angle.
3. Low-cost installation and operation.
4. BSP,BSPT,and NPT threaded unions available on order basis .