Use the factory process definition
Magma commonly refers to a mixture of sugar crystals and liquid prepared for a downstream sugar process. Massecuite generally refers to a crystal-and-mother-liquor mass associated with crystallization. Actual composition and terminology vary by plant. The supplier needs the stream origin, destination and measured properties, rather than a name alone.
Identify what makes the duty difficult
A highly concentrated crystal-bearing mass may resist gravity filling, retain material in valves or exhibit flow behavior that a simple viscosity number does not capture. Temperature reduction can make the situation harder. The ability to discharge under pressure does not prove that a vessel can fill at the required rate or drain adequately afterward.
Ask for representative testing
Supply a sample or reliable plant measurements covering normal operation and the most difficult credible condition. Record crystal fraction, temperature, liquid-phase composition and the method used to describe viscosity or yield behavior. Test the proposed inlet and valve arrangement as well as discharge. Include a cleaning review if the product can remain in cavities or low points.
Apply the SINOSEN scope correctly
The supplied SINOSEN material identifies suitable magma transfer as an application and does not recommend high-Brix massecuite as a standard duty. This distinction should remain visible in a specification and quotation. A general claim that pneumatic transfer replaces every gear or rotary lobe pump would obscure this boundary. If the product is uncertain, resolve the terminology and data before asking for a fixed capacity or price.
General engineering guidance. Numerical examples are illustrative; project specifications and acceptance criteria are agreed for the actual duty.