Inquiry (采购产品): Gate valve I need a drawing of this valve for maintenance purposes.16 inch, 2500# lunkenheimer. Breach lock, gate. The numbers I have are B 2550, S6507(A or H?) I can't tell what the last letter is for sure. Serial # 197445. Your help would be appreciated. **** Hidden Message ***** roger hatcher 25265 Company: American electric power E-mail: rohatcher@aep.com **** Hidden Message ***** rohatcher@aep.com