Inquiry (采购产品): Life Expectancy I would like to know about the expected life of operation of the rubber bellows in your product range in cooling water lines especially near the pump nozzles. This is for both fresh water and sea water water. What are the type of damages found in the bellows for such applications ?Roughly what are the factors affecting ageing of the rubber material? **** Hidden Message ***** S Saha SSO-D4 Jamnagar361140 IND Company: Reliance Petroleum Ltd. Title: General Manager Phone: 91 0288 3011736 E-mail: subratap_saha@ril.com **** Hidden Message ***** subratap_saha@ril.com