Zenith
®
Pumps
H-Series
Gear Pumps
Installation,
Care And
Maintenance
High-Temperature
Страница 1: ...Zenith Pumps H Series Gear Pumps Installation Care And Maintenance Zenith High Temperature Gear Pumps...
Страница 2: ...ry external gear pump of unique precision and simplicity Specifications Pump Type Rotary external spur gear single stream Rotation Refer to pump drawing Operating Speed 3 180 rpm depending upon applic...
Страница 3: ...three steels we most commonly use Type D2 will also provide a higher degree of corrosion resistance than M2 or M4 The portion of the side plate subject to the most wear is the shaft bearing hole whic...
Страница 4: ...he coupling is the rotating mem ber of the seal and depends on the inter nal operating pressure of the pump to force it forward and effect a seal against the carbon or metal seal plate 5 In pumps with...
Страница 5: ...that is sufficient to car burize the polymer The carburization process usually takes between 3 to 12 hours depending on the polymer type temperature pump size and furnace load CAUTION Avoid exposing...
Страница 6: ...HMB 5740 HMB Series Diagram 2 Zenith Single Stream Pump Type HPB 4647 1 168 27 Coupling Housing Screw 4 12 Seal Plate 17 Carbon Seal Plate 13 Coupling Housing 14 Universal Seal Coupling 48 Long Binder...
Страница 7: ...Seal Plate 28 Nut 14 Seal Packings 50 Spacer Ring Zenith Single Stream Pump Type HLB 5592 HLB Series Diagram 3 6 00 8 00 X 27 Screw Packing Housing 12 Packing Gland 58 Screw Packing 1 Front Plate 7 D...
Страница 8: ...ng tank and air dry Be careful not to bang parts together 7 Inspect all parts for nicks burrs score marks and other signs of wear The plates and faces of the gears may be hand blocked on 400 600 grit...
Страница 9: ...even increments using a crossing pattern to the manufacturer s recommended limit It is especially impor tant to rotate the gears frequently during this operation See Table 2 on page 10 for screw torq...
Страница 10: ...45 45 1 2 13 1 300 110 In critical applications where control of bolt preload is important the torque tension relation should be determined by experimenting on the actual parts involved including thre...
Страница 11: ...Disassemble and clean pump replace any damaged parts 5 Possible internal damages Disassemble and clean pump replace damaged parts Consult factory Excessive seal 1 Worn seal plate Replace seal plate a...
Страница 12: ...ty of operating conditions and applications for these products or systems the user through its own analysis and testing is solely responsible for making the final selection of the products and systems...
