Griswold 811 ANSI Replacement Pump
100% dimensionally interchangeable with Griswold 811 ANSI Series
Back pull-out design for fast maintenance without disturbing piping
Fully open impellers with external adjustment for solids-laden fluids
Product Details
| Application | Chemical processing, refineries, general industrial process fluids |
| Flow Rate | Up to 7,000 GPM (1,590 m3/h) |
| Head Range | Up to 900 ft (275 m) |
| Temperature | Up to 500F (260C) |
| Materials | Ductile Iron, 316SS, Alloy 20, CD4MCuN, Hastelloy C-276 |
| Pressure Rating | ASME/ANSI B73.1 |
Performance Comparison: Griswold 811 vs ANSI Pumps Pro
The table below compares the Griswold 811 ANSI Series with our equivalent ANSI B73.1 process pump. Our replacement pump is 100% dimensionally interchangeable — no piping modifications, no baseplate changes required.
| Parameter | Griswold 811 ANSI Series | ANSI Pumps Pro Equivalent |
|---|---|---|
| Max Flow Rate | 7,000 GPM (1,590 m³/h) | 7,000 GPM (1,590 m³/h) |
| Max Head | 900 ft (275 m) | 730 ft (223 m) |
| Max Temperature | 500°F (260°C) | 700°F (371°C) ✅ |
| Standard | ASME/ANSI B73.1 | ASME/ANSI B73.1 |
| Design | Back pull-out | Back pull-out |
| Impeller | Fully open, rear adjustment | Fully open, external adjustment |
| ATEX Compliance | Optional | Available on request |
| Lead Time | Industry standard 16-20 weeks | 6-10 weeks |
100% Dimensional Interchangeability
Every component of our Griswold 811 replacement pump is machined to the same critical dimensions as the original. This means:
- Wet-end components — Casing, impeller, stuffing box cover, and seal chamber are fully interchangeable with Griswold 811 parts
- Power-end components — Bearing housing, shaft, bearings, and frame adapter share identical mounting dimensions
- Baseplate footprint — Identical bolt-hole pattern; no drilling or welding required
- Piping connections — Suction and discharge flange dimensions match exactly
- Shaft height and spacing — Maintains perfect alignment with existing motor/driver
Material Cross-Reference
We offer all alloy families that Griswold supports, plus additional exotic options:
| Component | Griswold 811 Material | ANSI Pumps Pro Material |
|---|---|---|
| Standard Casing | Ductile Iron (ASTM A536) | Ductile Iron (ASTM A536) |
| Standard Impeller | CF8M / 316SS | CF8M / 316SS |
| High-Corrosion | Alloy 20 (CN7M) | Alloy 20 (CN7M) |
| Duplex Stainless | CD4MCuN | CD4MCuN (1B) |
| Exotic Alloys | N/A | Hastelloy C-276, Titanium Gr.2, Zirconium 702 |
| Shaft | 316SS | 316L SS (upgraded standard) |
| Certification | ASTM material certs | EN 10204 3.1 MTR with PMI verification |
Why ANSI Pumps Pro for Griswold 811 Replacement?
- Faster Delivery: 6-10 week lead time vs. 16-20 weeks industry standard — keep your project on schedule
- Full Material Traceability: Every heat number traceable to mill certificates with positive material identification (PMI) verification
- External Impeller Adjustment: Set clearance in minutes without removing the pump from piping — reduces maintenance downtime by up to 60%
- Lower Total Cost: Competitive pricing with 5-year unconditional power frame warranty
- Technical Support: Direct access to our engineering team for application review, material selection, and performance verification
Contact our engineering team → for a customized Griswold 811 replacement quote with performance curve and dimensional drawing.
Product Inquiry
Fill out the form below and our team will provide a customized quote for this product.