

Pumps
Normblock Multi Series
(7.5, 10, 15, 20, 25 & 30 HP)
The SPECK Normblock Multi Series has been designed to run at 1750 rpm providing efficient and quiet operation. The plastic housing is corrosion resistant, delivering long life and dependable performance.
Features
- Available in 7.5, 10, 15, 20, 25 & 30 HP Models.
- The housing is made of high performance, corrosion resistant polyurethane.
- Superior slow (1750 rpm) running design reduces vibrations resulting in quiet operation. <em>Please Note: The noise level from both the motor and pump are greatly influenced by how they are installed. Consideration should be given to minimize vibration and noise transmission.</em>
- Heavy duty energy efficient totally enclosed fan cooled (TEFC) motor, Class F insulation, protection class IP 55. Sealed ball bearings need no lubrication.
- Shaft coupling allows for the motor to be replaced without replacing the mechanical seal.
- A high wear and rugged Carbon/SIC – EPDM mechanical seal allows for a long life and long maintenance intervals. SiC/SiC seals are available.
- Available with 5", 6", and 8" suction.
- Optional 6" and 8" strainer tanks for horizontal flooded suction applications.
- Every pump is tested to factory & customer’s specifications, with comprehensive individualized test results.
Support
Frequently Asked Questions
Quick answers about Speck aquaculture pumps, filters, VFDs, and how to get the right system for your facility.
What is the Speck Normblock Multi Series (7.5, 10, 15, 20, 25 & 30 HP) used for?
The Speck Normblock Multi Series (7.5, 10, 15, 20, 25 & 30 HP) is part of the Speck Aquaculture Pumps lineup for commercial and industrial water circulation and life-support systems in hatcheries, aquariums, research centers, and aquatic habitats.
Where can I download Speck Normblock Multi Series (7.5, 10, 15, 20, 25 & 30 HP) documentation?
Product flyers, manuals, and related documents for the Speck Normblock Multi Series (7.5, 10, 15, 20, 25 & 30 HP) are linked on this product page when available. For additional files or sizing help, contact Speck Aquaculture at (800) 223-8538 or info.usa@speck-pumps.com.
How do I request pricing or technical support?
Use the Contact page at speckaquaculture.com/contact/, call (800) 223-8538 in the US or (904) 739-2626 outside the US, or email info.usa@speck-pumps.com with your application details.