FLYGT Duplex Stainless Steel Water Pump Accessories Spacer Ring

Our proprietary brand delivers end-to-end technical solutions in fluid machinery and engineering. From industrial control systems and mechanical seals to overseas field engineering support, we cover the full spectrum of pump-related technical services.

Backed by a portfolio of specialized technologies and product lines, we offer world-class technical support, sales assistance, and integrated product solutions — including pumps, frequency converters, servo drives, PLC-HMI systems, industrial control cabinets, motors, mechanical seals and assemblies, couplings, gearboxes, and comprehensive engineering services (such as on-site 3D scanning reverse molding of pump replacement parts and overseas engineer dispatch for equipment debugging).

FLYGT Duplex Stainless Steel Spacer Ring is a precision-engineered stationary component designed to maintain axial clearance and positioning within FLYGT submersible sewage lifting pumps. The spacer ring prevents metal-to-metal contact between rotating and stationary assemblies, reducing wear and extending the service life of bearings, shafts, and seals.

Manufactured from duplex stainless steel for excellent resistance to corrosion, erosion, and chloride-induced stress cracking in wastewater environments. Each ring is reverse-engineered using FARO 3D laser scanning to ensure exact dimensional match with FLYGT originals, and CNC-machined to tight tolerances for trouble-free installation.

Standard applications include municipal sewage treatment plants, industrial wastewater facilities, and flood control pumping stations.

Spacer ring material selection depends on your media chemistry, temperature, and abrasive content:

• Cast Iron (HT200/HT250) — Standard economic option for clean water and non-corrosive sewage
• Wear-Resistant Cast Iron — High-chromium alloy; suitable for abrasive media with high solids content
• Cast Steel (WCB/WCC) — Higher tensile strength for high-pressure pump assemblies
• Stainless Steel (304/316/316L) — Corrosion-resistant for chemically aggressive wastewater and effluent
• Duplex Stainless Steel (2205/2507) — Superior chloride pitting and stress corrosion resistance; recommended for seawater and saline wastewater applications
• Cast Alloy Steel — Custom alloy formulations for high-temperature or highly corrosive operating conditions

All materials are accompanied by mill test certificates conforming to ASTM, DIN, EN, ISO standards. Free material recommendation service available based on your operating parameters.

No original drawings? No issue. Simply send your worn spacer ring sample or high-resolution photographs, and we will:

1. 3D Laser Scanning (FARO Edge) — Capture complete dimensional data with ±0.05mm accuracy
2. Digital Model Reconstruction — Convert scan data to CAD model; validate fit and clearance using simulation
3. Prototype & First Article Inspection — Produce sample ring; verify dimensional interchangeability and surface finish
4. Batch Production — Full CNC production with complete traceability documentation

Reverse-engineering lead time: 15–20 days from sample receipt to first article approval.