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Sandman 612L20B-B Basic Pedestal 12x12x14-7/8 Centrifugal Pump

SPECIFICATIONS

Size	12" x 12"
Capacity	Up to 2725 m³/h
Head	Up to 46 m
Speed	700-1250 rpm
Impeller size	14.88'' (378mm)
Max. power	125HP
Max. solids	1.88 inch (48mm)
Seal material	Tungsten carbide
Materials	Cast Iron Casing, Ductile Iron Impeller, etc

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612L20B-B Centrifugal Pump Brief Description

Sandman^® 612L20B-B Basic Pedestal Standard Centrifugal Pump 12-inch suction and discharge configuration and a 14.88-inch impeller, this heavy-duty standard centrifugal pump is intended for high-volume fluid transfer in demanding industrial, mining, oilfield, wastewater, and water-handling applications.

High-volume transfer: Designed for demanding fluid movement duties.
Flexible sourcing: An alternative supply option for pump replacements and spare parts.
Excellent performance: Delivering superior flow stability at a fraction of the lifecycle cost.

Feature Deep Dive

Precision Engineering: 14.88-Inch Impeller
The 14.88-inch impeller is a key hydraulic design parameter for this pump size. Together with operating speed, impeller geometry, casing design, and system resistance, it determines the achievable flow, head, and efficiency.

High-volume hydraulic design: Intended for applications that require substantial liquid throughput.

Speed-based performance adjustment: The 700–1,250 rpm reference range provides a starting point for evaluating operating requirements.

Duty-point matching: Select the operating point according to the required flow, total dynamic head, and available motor power.

Application-specific configuration: Confirm liquid properties, solids characteristics, and suction conditions before final selection.

The benefit is not simply a large impeller. It is the opportunity to match hydraulic performance to the actual operating duty rather than oversizing the pump or running it away from its preferred operating range.

Model 612L20B‐B Technical Specifications

Parameter	Specification
Model	612L20B-B
Pump type	Standard centrifugal pump
Product category	High-volume centrifugal pump
Suction size	12 inch (304.8 mm nominal)
Discharge size	12 inch (304.8 mm nominal)
Impeller diameter	14.88 in (approximately 378 mm)
Flow rate	Up to 2,725 m³/h
Total head	Up to 46 m
Operating speed	700–1,250 rpm
Maximum power	125 HP (90 kW)
Max. solids handling	1.88 inch (48 mm) spherical solids
Casing material	Cast iron, subject to configuration
Impeller material	Ductile iron, subject to configuration
Seal	Mechanical seal (TC)
Drive arrangement	Basic pedestal, driver and coupling requirements to be confirmed
Typical applications	Industrial water transfer, mining, oilfield, wastewater and compatible process fluids

Applications & Industries

Proven performance across demanding industrial environments

🏭 Municipal Water & Wastewater
High-volume water transfer, stormwater management, and wastewater treatment facilities requiring reliable continuous operation.

⚡ Power Generation
Cooling water circulation, condensate transfer, and auxiliary systems in power plants where uptime is critical.

🏗️ Construction & Dewatering
Large-scale dewatering operations, flood control, and construction site water management.

⛏️ Mining & Minerals
Mine dewatering, process water transfer, and slurry handling in demanding mining environments.

🛢️ Oil & Gas
Produced water handling, transfer operations, and process water systems in upstream and midstream facilities.

🌾 Agriculture & Irrigation
Large-scale irrigation systems, water transfer, and agricultural processing facilities.

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Frequently Asked Questions

Take things simplify

Is the Sandman 612L20B-B a replacement for the GR 612L20B-B?

It is intended to be evaluated as an alternative for compatible applications. Before confirming interchangeability, compare the performance curve, mounting dimensions, shaft and bearing arrangement, seal configuration, materials, and connection details.

Alternative procurement

Can I request a quotation using only my existing pump model?

Yes. Provide the model number and, if available, the nameplate photograph, serial number, performance curve, and installation drawing. Additional operating data will help us assess the replacement more accurately.

Flexible drive arrangement

What does Basic Pedestal mean?

It identifies the pump's basic pedestal drive configuration rather than a complete motor-driven package. Confirm exactly which components are included in the quotation.

Impeller design for high-volume

What is the advantage of a 14.88-inch impeller?

The impeller diameter is one of the principal factors affecting pump performance. A larger impeller diameter can increase the head and capacity available from a centrifugal pump, depending on its hydraulic design and operating speed. However, performance does not depend on diameter alone. Impeller geometry, casing passages, clearances, and system conditions are equally important.

Large-passage design

Can this pump handle solids?

The reference specification for the GR 612L20B-B lists spherical solids handling up to 48 mm. Confirm the corresponding capability of the supplied Sandman configuration, particularly when pumping irregular solids, abrasive mixtures, or viscous liquids.

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