Wilden GPX1 Original Metal Natural GODD Pumps

1/2″ | 13 mm

Wilden GPX1 Original Metal Natural GODD Pumps ensures reliability without sacrificing ease of maintenance. With simple installation and easy serviceability, it’s ready for rugged utilitarian applications where compressed natural gas is used as the energy source to drive the pump.

Available wetted path materials are aluminum or stainless steel.

Wilden GPX1 Original Metal Natural GODD Pumps come equipped with the Pro-Flo X™ Air Distribution System (ADS) that provides superior flow rates, variable control, the patented Efficiency Management System (EMS™), maximum Mean Time Between Repair (MTBR) and lube-free operation.

Available elastomer material is Buna-N.

NPT/BSPT threads are available to meet your specific application requirements.

Wilden GPX1 Original Metal Benefits and Features

The Successful Solution

  • CSA-certified for compressed natural gas use as pump energy source
  • Intrinsically safe
  • Clamped connections for faster maintenance
  • Self-priming
  • Variable flow and pressure
  • Dry-run capable
  • Shear-sensitive
  • Portable & submersible
  • Ease of operation and maintenance


  • Longest Mean Time Between Repair (MTBR)
  • Proven air distribution systems (ADS)
  • Simplicity of design
  • Anti-freezing ADS
  • Increased On/Off reliability


  • Lower operational costs and downtime

Wilden GPX1 Original Metal Performance


(Liquid Chambers and Manifolds)

MaterialShip Wt
Aluminum6 kg (13 lbs)
Stainless Steel9 kg (20 lbs)


Center SectionAluminum
Air ValveAluminum


  • TO 61.7 LPM (16.3 GPM)


  • 6.9 BAR (100 PSI)


  • 5.9 m (19.3′) Dry, 7.9 m (26.1′) Wet


  • 1.6 mm (1/16″)


  • Rubber – 0.09 l (0.023 gal)

Elastomer Options

MateriaTemperature Limits
Buna-N-12.2 to +82.2°C (+10 to +180°F)


UL (Underwriters Laboratory)


Wilden pumps have been certified UL 79 in order to meet the stringent requirements of the Oil & Gas industries. You can now have the confidence when selecting Wilden pumps for your tough pumping applications. Wilden pumps can be used when dispensing gas products, fuels, petroleum’s, and or any lubricating applications. This UL certification is indicative of Wilden’s pledge to providing our customers with the latest certifications to meet the stringent demands of your applications.

CSA (Canadian Standards Association)


CSA (Canadian Standards Association) test products for compliance to national and international standards, and issue certification marks for qualified products. Certification marks tell customers and users that a product has been evaluated by a formal process-involving examination, testing and follow-up inspection-and that it complies with applicable standards for safety and performance. The CSA certification document has been prepared, approved, and published by CSA International, and contains rules, requirements, or procedures for an orderly approach to a specific activity. CSA standards includes product design requirements, test methods, classifications, recommended practices, and other considerations. This certification is designed to meet many standards that define safety requirements intended to reduce the risk of personal injury.

ATEX (ATmosphere EXplosible)


It is only natural that the worldwide leading producer of air-operated, double-diaphragm pumps complies with the ATEX 100A directive for explosive atmospheres. The European community and their safety are of utmost importance to us. We take responsibility for not only our product, but also for the supporting documentation and compliance of necessary directives. Wilden is proud to introduce our metallic X pumps that comply with ATEX 94/9/EC Group I, category M2 and Group II, category 2 zones G & D. Our plastic X pumps comply with ATEX 94/9/EC Group II, category 2, zone G.

CE Mark (Conformité Européene – European Conformity)


Wilden Pump & Engineering LLC has met the criteria for placing the CE mark on our product line. On December 3, 1999, Wilden fully self-certified its product line by meeting all the regulations of the Machinery and PED (Pressure Equipment) Directives. Every pump manufactured by Wilden will now receive the CE mark. Each pump box will also include a Safety Supplement manual in the eleven official languages of the European Community. This CE mark certification is indicative of Wilden’s pledge to providing our distributor network with all the sales tools necessary to excel in a global economy.

Wilden GPX1 Original Metal Pumps

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