This is an inquiry message about Gate valve in the 108th China Canton Fair. (这是一条买家关于"Gate valve"的询盘信息,来自第108届中国广交会。)Inquiry Message (询盘信息) 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. Contact Info (联系信息) roger hatcher 25265 Company: American electric power E-mail: rohatcher@aep.com rohatcher@aep.com