（一）Product Description: A new type of gas heat exchange device, which adopts heat exchanger with different steps and new finned tube heat exchange, with high thermal efficiency. And the heat exchange area ratio is reasonable, can be widely used in different types of small gas heat exchanger, its simple structure, low cost and energy saving, and has a wide range of application market.

（二）Applicable media: natural gas, city gas, air, propane and other non-corrosive gases.

（三）Technical parameters：
Heating medium: hot water, steam
Maximum working pressure：
Tube7.5—5.0—2.4Mpa
Shell 0.6Mpa（when using hot water）
1.2—2.4Mpa（when using steam）
Design requirements: according to ANSI B16.5 standard design
He tube side and shell side can be designed with the same pressure as required, and can be equipped with cut-off device, ball valve and pneumatic actuator
Maximum operating temperature: 100℃ (up to 250℃ with superheated water and steam)
Gas inlet and outlet pipe fittings: according to ANSI 600-300

Inlet and outlet pipe fittings：RN16、ANSI150