for RL20-CN-421-L1550
CuZn38Sn1 F34
AD-W8/2 (3.1B)
You can find the current prices belongs to HS Cooler - KL20-C-052 coded Tubesheet product. You can ask all the codes and references except KL20-C-052 too. All of the listed products are with guaranteed origin and high quality. It produced result of tests of laborotory for years. KL20-C-052 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.