Our online catalog is being updated! Please contact us for current pricing. Noble Diode Pump Specifications and Order Information Model No. Rated Pump Speed* l/sec Flange  1 I.D./O.D. inches Wt. lbs. Bakeout  2 Heater Quantity Replacement Elements New Prices** NP-011 11 1.5/2.75 14 0 Fact. repl. $750 NP-020 NP-020/IH 20  3 1.5/2.75 26 0 1 Fact. repl. $1,195 $1,300. NP-025 NP-025/IH 25  3 2.0/3.375 27 0 1 Fact. repl. $1,295 $1,400 NP-050 NP-050/DE 60/50  4 4.9/8.0 82 94 2 PE-100N 2 ea. $2,350 $2,700 NP-100 NP-100/DE 120/100  4 6.0/8.0 127 142 4 PE-100N 2 ea. $3,500 $3,900 NP-140 NP-140/DE 115  4, 5 6.0/8.0 143 154 0 DE-100N 1 ea. $3,980. $4,380. NP-150 NP-150/DE 160/150  4 6.0/8.0 145 160 0 PE-100N 6 ea. $4,200 $4,600 NP-200 NP-200/DE 220/200  4 6.0/8.0 145 160 4 PE-100N 8 ea. $4,900 $5,300 NP-220 NP-220/DE 220  4 6.0/8.0 250 290 0 DE-100N 2 ea. $4,950 $5,350 NP-400 NP-400/DE 400  4 6.0/8.0 276 290 8 PE-100N 16 ea. $6,800 $7,200 NP-500 NP-500/DE 400  4 6.0/8.0 402 460 0 DE-100N 4 ea. $7,200. $7,600. * Pumping Speed Ratings for Ion Pumps Some pumps in this table have two pumping speeds shown, i.e.: 150/100. The lower number is observed when the measurement standard established by the American Vacuum Society (AVS) is followed. The higher number is observed when the same pump is measured under optimum pumping speed conditions. Some manufacturers use the optimum pumping speed, only reporting this higher number. Both ratings are provided here to allow the customer to make an informed choice. ** Price Notice Due to the current shortage in availability of Tantalum material, price and delivery of Noble Diode pumps are subject to change without notice. 1 All flanges ConFlat compatible except 1,000 l/sec pumps. 2 Heaters are model IH-100 Calrod heaters which fit into matching interior heater wells in most pumps. 3 IH signifies interior heater well available as option. 4 DE specifies a double-ended option. 5 No bakeout heaters available for this pump. 6 Larger pumps available on special order.