... of mining, metallurgical, chemical and water conservancy industries... BW-320 Mud pump is a horizontal, triplex,single acting reciprocating ... of the customer in order. BW-320 MUD PUMP SpecsTypeSingle-acting triplex plungerStroke110mmBore80mm60mmPump speed (s.p.m)214,153,109,78214 ... ,153,109,78Output volume (l.p.m)320,230,165,118180 ...