Description
The GRACO G-Chem Beam Pump (SKU:. A23003) is a positive displacement plunger pump designed for chemical injection applications. It features a 1/4″ Chromex coated plunger and HNBR (Hydrogenated Nitrile Butadiene Rubber) seals, ensuring robust performance and chemical resistance. This pump is intended for reliable, low-maintenance chemical dosing in industrial and oilfield environments.
Key Features:
- Positive displacement plunger pump
- G-Chem Beam Pump, 1/4″ plunger
- Chromex coated plunger, HNBR seals, stainless steel wetted parts (unless otherwise noted)
- Varies by model; for similar 1/4″ simplex models, up to 2500 psi (17.2 MPa, 172 bar) possible (confirm with specific model documentation)
- Designed for chemical injection systems, compatible with various chemicals depending on seal material
- Easy access to plunger and packings for maintenance
- Plunger packings can be replaced in 10 minutes or less
- Robust and simple design with adjustable fluid packing
- Proprietary poppet style check valve to prevent sticking
- Same high-quality drive train as other GRACO chemical injection pumps
Applications:
Chemical injection for oilfield, industrial, and agricultural applications; suitable for use with pumpjacks and other automated systems
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing systems
- Follow manufacturers instructions for mounting and plumbing
- Ensure proper alignment and secure mounting to prevent vibration and leaks
- Use compatible chemical hoses and fittings rated for the intended pressure and chemical
- Regularly inspect and maintain seals and packings for optimal performance
- Replace plunger packings as needed (typically every 612 months or as per operating conditions)
- Check for leaks and wear during routine maintenance
- Keep pump and surrounding area clean to prevent contamination






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