Import import trap or trap is known for the steam pipe network and devices, can automatically discharge condensate, air and other non-condensing gas, and blocking water vapor leak valve.

Back pressure higher than 80%, to row non-condensing gas, diaphragm solid, long life, easy maintenance, using a wide range.

On the other hand, the non-condensing gas and catalytic dry gas in tail gas is fully utilized based on auto controlling the burning system.