XP-JX heavy-duty submersible pumps from BJM Pumps are ideal for tough conditions where explosion-proof, FM, C/US approved (Class I, Division 1, Group C & D) are needed. The impeller, volute and strainer are constructed of 316 stainless steel. The elastomers such as O-rings and lip seals are made of FKM. They have oil-lubricated double mechanical seals and a separate lip seal. They offer up to 264 gpm and heads to 113 feet. 877/256-7867; www.bjmpumps.com.