TL12P, TL23P, TL27P series heat-exchanger area of single plate: 0.012-0.052m2 Max flow: 4-12m3/h material: 316L or 304stainless steel welding material: 99.9%copper or nickel thickness of plate: 0.3-0.4mm lag quantity: 0.018-0.094L/channel max plate number: 60-120 rated pressure: 3.0-4.5Mpa test pressure: 2.0MPa - 6.0MPa rated temp: -195-+220 heat exchanger capacity: 1-70KW