... Rohs, ISO 9001:2000 certificated Rubber CupRubber Diaphragm Product NameRubber Cup | Rubber DiaphragmMaterialEPDM RubberColorBlackSizesTop Dia.: Φ5.8 ... compensation valve,the regulator mechanical services device, switch and counter.Technical ServiceROHS,Nordic Swan,Blue-AngelCertificationISO ... to your requestRemarkPlease be informed that pictures of rubber product samples included in this catalog may ...