Inquiry (采购产品): valves Dear Sirs We are looking for swing check valves for refrigerants such as ammonia(R717), -60oC/+160oC,working pressure 18bar. Could you recomend any of your products and send me some info including the price. Thank you in advance for your prompt answer, awaiting yours Best regards, Marcin Michalek www.pzl-debica.com.pl **** Hidden Message ***** marcin michalek 39-200 POL Company: pzl-debica Title: rep E-mail: handel@pzl-debica.com.pl **** Hidden Message ***** handel@pzl-debica.com.pl