TOUGH SIMPLE GEAR PUMPS COST EFFECTIVE TOUGH SIMPLE COST EFFECTIVE. Tel: / Int'l: Fax: / Int'l:

Transcription

1 GEAR PUMPS TOUGH TOUGH SIMPLE SIMPLE COST EFFECTIVE COST EFFECTIVE

2 NOMAD GEAR PUMPS California-based JDA GLOBAL LLC, the world s largest provider of after-market diaphragm pump products, in conjunction with the world s largest after-market gear pump manufacturing contractor, is proud to offer NOMAD GEAR PUMPS, featuring a proven positive displacement design with intermeshing rotor and idler. The NOMAD GEAR PUMP features a retrofittable design when compared to the world s largest manufacturer of internal gear pumps. Thus, ALL NOMAD GEAR PUMP PARTS are interchangeable with the leading brand. The NOMAD GEAR PUMP product features cast housings in 7 connection port sizes, available with packing or mechanical seals. Furthermore, JDA GLOBAL s procurement hubs in India, China and Mexico ensure low cost, high quality products. INTERNAL GEAR Internal gear pumps feature positive displacement design to handle high viscosity liquids. They are equipped with casings that can be positioned to meet common piping configurations, while featuring only two mobile parts for ease of maintenance. HOW IT WORKS Liquid enters the suction port between the rotor and idler teeth. Liquid travels through the pump between the teeth of the gear-within-a-gear principle. The crescent shape divides the liquid and acts as a seal between the suction and discharge ports. The pump head is now nearly flooded, just prior to forcing the liquid out of the discharge port. Intermeshing gears of the idler and rotor form locked pockets for the liquid which assures volume control. Rotor and idler teeth mesh completely to form a seal equal distant from the discharge and suction ports. This seal forces the liquid out of the discharge port. 2

3 NG-SERIES NG-124A/4124A The threaded bearing housing, with its large diameter allows for cartridge mechanical seal installation (except on NG-AK and NG-AL models). One-piece cast bracket provides rigid foundation to maximize seal and bearing life. The stuffing box accepts packing, numerous component mechanical seals, or a wide variety of cartridge seals (except on NG-AK and NGAL models) Rotor end clearance can be adjusted to compensate for wear or for higher temperatures or viscosities by rotating the threaded bearing housing. The casing can be rotated in 45 increments permitting eight different port positions. Internal relief valve standard to protect the pump. FEATURES 1. The stuffing box on all sizes accepts packing, component single mechanical seals, or cartridge seals without modifications. 2. Bearing housing provides easy rotor end clearance adjustment to compensate for viscosity or wear One-piece Bracket minimizes deflection on shaft. Positive Displacement, Internal Gear pumping principle. Low maintenance cost. Main applications: These pumps are built to continuous or intermittent duty for such applications as circulating, transferring, or service in general industrial, petroleum uses.

4 GENERAL EXPLODED VIEW NG-124A/4124A ITEM DESCRIPTION Locknut Lockwasher End Cap for Bearing Housing Bearing Spacer Collar (Outer) Lip Seal Ball Bearing Bearing Housing Bearing Spacer Collar (Inner) Ring Half Round Grease Fitting Mechanical Seal Bracket Bushing Bracket Capscrew for Bracket Bracket Gasket Pipe Plug Casing Head Gasket Rotor and Shaft Idler Idler Bushing Idler Pin Head Capscrew for plain or valve type Head Capscrew for valve Relief valve Gasket Relief valve MATERIALS OF CONSTRUCTION NG SERIES NG-124A/4124A 4 Bracket Casing Head Rotor (**) Idler (**) Idler Pin/ Rotor Shaft Cast Iron Cast Iron Cast Iron Cast Iron Cast Iron Carbon Steel Bushings Packing Mechanical Seal Relief Valve Bronze / Carbon Graphite Teflon Graphite Buna / Viton (optional) Iron (**) Depends on operating conditions material can be changed to carbon steel.

5 GENERAL OPERATING DATA NG SERIES NG-124A/4124A Based on 750 SSU and S.G. NG-H NG-HL Port Size (in) 1½ 1½ Flow (GPM) 17 2 Discharge Pressure (PSI) Speed (RPM) NG-K NG-KK NG-L / NG-LQ NG-LL Port Size (in) 2 2 2½ Flow (GPM) Discharge Pressure (PSI) Speed (RPM) NG-LS NG-Q NG-QS Port Size (in) 4 6 Flow (GPM) 209 / / / 15 Discharge Pressure (PSI) 150 / / / 200 Speed (RPM) 640 / / / 50 5

6 NG-4195 SERIES Rotor end clearance can be adjusted to compensate for wear or for higher temperatures or viscosities by rotating the threaded bearing housing. Internal relief valve standard protect the pump. to One-piece cast bracket provides rigid foundation to maximize seal and bearing life. FEATURES All sizes of NG-4195 pumps are furnished with single mechanical seal.. Main applications: These pumps are built to continuous or intermittent duty for such applications as circulating, transferring, or service in general industrial, petroleum uses. The smaller size pumps (NG-GG4195, NG-HL4195 and NG-HJ4195) can be directly connected to either 1800 or 1200 RPM motors. The rest of the sizes can be directly connected to 1200 RPM motors. 6

7 GENERAL EXPLODED VIEW NG-4195 SERIES ITEM DESCRIPTION Locknut Snap Ring, Outer Ball Bearing, Outer Bearing Housing with Setscrews Snap Ring, Inner Ball Bearing, Inner Casing Pipe Plug Mechanical Seal Rotor and Shaft Idler Bushing Idler and Bushing O-Ring Gasket for Head Idler Pin, Plain Head and plain Idler Pin Cap screw for Plain head Relief Valve Gasket Internal Relief Valve Cap screw for Valve MATERIALS OF CONSTRUCTION NG-4195 SERIES Casing Head Rotor (**) Idler (**) Idler Pin/ Rotor Shaft Bushings Mechanical Seal Relief Valve Cast Iron Cast Iron Cast Iron Cast Iron Carbon Steel Carbon Graphite Buna / Viton (optional) Iron (**) Depends on operating conditions material can be changed to carbon steel. 7

8 GENERAL OPERATING DATA NG-4195 SERIES Based on 100 SSU and S.G. Port Size (in) NG-GG NG-HJ4195 1½ NG-HL4195 1½ Flow (GPM) Pressure (PSI) Speed (RPM) Port Size (in) Flow (GPM) Pressure (PSI) NG-AS4195 2½ NG-AK4195 2½ NG-AL Speed (RPM) DIMENSIONS NG-4195 SERIES NG-H NG-HL A B C D E (DIA) E (keyway) 0.19 x x 0.09 F G NG-K NG-KK NG-L NG-H NG-HL NG-K H I J K 5.5 L M N O 9.25 NG-KK NG-L Dimensions in inches 8

9 NG-AK A B 4.8 C 2.5 D E (DIA) E (keyway) F G NG-AL NG-AK H I 2.81 J 4.5 K L M 2.88 N 0.5 O NG-AL NG-LQ NG-LL NG-NG-LS A B C D 2.44 E (DIA) E (keyway) 0.8 x 0.19 F G NG-Q x NG-LQ NG-LL NG-LS H I J K L M N O NG-Q Dimensions in inches 9

10 A B C D E F G H I J NG-QS K L M N O P Q R S NG-QS A B D E F G H J K L NG-GG4195 NG-HJ4195 NG-HL ½ 1½ M N O P S T U V W X NG-GG4195 NG-HJ4195 NG-HL FLAT 0.19 x x Dimensions in inches 10

11 NG-AS4195 A 2½ B 5.0 D E 2.88 F G H J K L 1.25 M NG-AK4195 NG-AL4195 2½ N O P S T U V W X Y Z NG-AS NG-AK4195 NG-AL Dimensions in inches 11

12