Inquiry (采购产品): tank truck relief valves We have sour sealed tanks with a relief valve on top. I wanted to know if you have valves for this purpose set at 34psi and a vacuum releif at 20inches of hg or higher. **** Hidden Message ***** Steve Swalm T9A 1X2 CAN Company: KD Trucking Phone: 780-387-6190 E-mail: kdtrucking_steve@ralcomm.net **** Hidden Message ***** kdtrucking_steve@ralcomm.net
