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Catalog excerpts
![GPA Series - 1](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_1m.jpg)
GPA SERIES LOW NOISE INTERNAL GEAR PUMP Quality Products for Mechanical & Fluid Power With pressure relief valve Without pressure relief valve
Open the catalog to page 1![GPA Series - 2](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_2m.jpg)
an excellence in engineering www.jbj.co.uk/gpa-series-internal-gear-pumps.html Fixed displacement internal gear pumps that can be driven by fixed or variable speed prime movers. Available in single, double, triple and quadruple configuration to suit a wide variety of applications. Displacements 1.7 to 63 cm3 per single pump or section. Maximum pressure 100 bar. Maximum speedup to 4,000 rev/min. Typessingle and multiple models. » Low noise. » Internal pressure relief valve option. » Heavy duty bearing option for indirect drives. » ISO metric mounting. » Choice of clockwise or anti-clockwise...
Open the catalog to page 2![GPA Series - 3](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_3m.jpg)
Low Noise, Internal Gear Pump GPA Series Ordering Codes GPA Series Ordering Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GPA Series Operating Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GPA Series Installation Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GPA Series Installation Dimensions (triple pumps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Open the catalog to page 3![GPA Series - 4](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_4m.jpg)
Low Noise, Internal Gear Pump General Description Fixed displacement internal gear pumps that can be driven by fixed or variable speed prime movers. Available in single, double, triple and quadruple configuration to suit a wide variety of applications. Basic Characteristics Displacements Maximum pressure Maximum speed Types 1.7 to 63 cm3 per single pump or section. 100 bar. up to 4,000 rev/min. single and multiple models. Features » Low noise. » Internal pressure relief valve option. » Heavy duty bearing option for indirect drives. » ISO metric mounting. » Choice of clockwise or...
Open the catalog to page 4![GPA Series - 5](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_5m.jpg)
Low Noise, Internal Gear Pump GPA Series Ordering Codes © Seals for phosphate ester fluids = Viton Omit if not required. © Monting flange P = 4-hole square mounting flange to ISO 3019/2, standard for frame size A3, so always fill in for A3 w/o = SAE 2-hole oval mounting flange (ISO 3019/1) Option for frame sizes by code A1 and A2 only. Model keys for pump variations by both number and frame sizes of pump sections. The keys have to be completed by displacement code(s) and from key ® on according to requirements. ©,©,© Displacement of single pump or pump section For multiple pumps of only one...
Open the catalog to page 5![GPA Series - 6](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_6m.jpg)
Low Noise, Internal Gear Pump GPA Series Operating Data Shaft Speed Limits, maximum speed (rev/min)* Operating Pressure * For burner fuel oils max. speed for all sizes n = 1800 rev/min. For phosphate esters and before using burner fuel oils, consult jbj Techniques technical office, telephone: +44 (0)1737 767493 or email: info@jbj.co.uk where limits are outside those for hydraulic oil. Whatever the temperature range is, ensure that viscosities stay within the limits in the ‘Hydraulic fluids' section. Hydraulic Fluids All pumps can be used with anti-wear oils or water-glycols. Burner fuels to...
Open the catalog to page 6![GPA Series - 7](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_7m.jpg)
Low Noise, Internal Gear Pump GPA Series Operating Data Internal coupling load* = (p2v2) + (pv) + (PV) *According to number of pump sections and maximum hydraulic load. Shaft Load internal Coupling Load If axial loading is envisaged or a quadruple pump is required, consult jbj Techniques technical office, telephone: +44 (0)1737 767493 or email: info@jbj.co.uk For indirect drives use only pumps fitted with the heavy duty bearing option; see ‘Model Code' section. Check drive shaft torque limits as for direct drives above and that transverse and axial loads to not exceed the following limits:
Open the catalog to page 7![GPA Series - 8](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_8m.jpg)
Low Noise, Internal Gear Pump GPA Series Installation Dimensions Outlet port for clockwise rotation Single pumps clockwise rotation models Double pumps Pumps with adjustable relief valves. Relief valve adjuster Inlet port for clockwise rotation models. Outlet port for counter clockwise rotation models Shaft internal thread, all models GPA Thread Thread size depth Port sizes (inlet and outlet the same size) GPA1 G (BSP) 1/2" Cover as shown for clockwise rotation models* Cover rotated through 180° for counter-clockwise models ' For counter-clockwise rotation the inlet and...
Open the catalog to page 8![GPA Series - 9](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_9m.jpg)
Low Noise, Internal Gear Pump GPA Series Installation Dimensions Single and double pumps Triple pumps and quadruple pumps of same frame sizes As for double pumps above but dimensions Q and Q+R are each increased by the following amounts for each additional section, related to the second section. Frame size A1 A2 A3 1 large + 1 small frame combinations Models without relief valves Models with relief valves Further dimensions as on previous page and above
Open the catalog to page 9![GPA Series - 10](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_10m.jpg)
Low Noise, Internal Gear Pump GPA Series Installation Dimensions GPA triple pumps Model Other dimensions as on the 2 previous pages
Open the catalog to page 10![GPA Series - 11](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_11m.jpg)
Low Noise, Internal Gear Pump GPA Series Installation Dimensions GPA triple pumps 2 large + 1 small frame combinations Models without relief valves Models with relief valves Other dimensions as on the 2 previous pages
Open the catalog to page 11![GPA Series - 12](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_12m.jpg)
Low Noise, Internal Gear Pump GPA Series Installation Dimensions GPA triple pumps Three frame size combinations Pumps without relief valves IF ! - Other dimensions as on the first two pages of this "Installation dimensions" section
Open the catalog to page 12![GPA Series - 13](https://img.directindustry.com/pdf/repository_di/15183/gpa-series-704524_13m.jpg)
Low Noise, Internal Gear Pump GPA Series Installation Dimensions Examples of variations for quadruple pumps (not to scale). The multiple possibilities for both frame size and displacement result in a number of more than 1,000 pump assemblies with different overall length and port distances (optional with/without relief valve). Overall length and port distance are not included here for the reason mentioned before. Contact jbj Techniques technical office if these dimensions are required. - without pressure relief valve - with pressure relief valve Quadruple pump assembled from 2 different...
Open the catalog to page 13All Jbj Techniques Limited catalogs and technical brochures
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