Argon gas purification machine JB Type Argon gas purification machine CharacteristicsThe new CZA-4C, CZA-4B ... activity, huge adsorption quantity, low working temperature, efficient device.Renewable type, can be used repeatedly for a long time.The product ... few argon, safe and reliable.The valve are all stainless bellows type, without leakage.The machines are double structures. One group works ...