Sluice Gate Engineering Archives - Pequoig Gear Works

06 Apr The True Cost of “Low Bid”: Pequoig vs. Commodity Imported Gearboxes

Posted at 10:19h in Compliance & Regulatory Center, Our Gearboxes, PGW-101, PGW-102, PGW-103, PGW-104 by Brad Stevens 0 Comments

The Hidden Liability of Offshore Procurement In the competitive world of municipal bidding, the "lowest price" often seems like the path of least resistance. However, for 2026 water and wastewater projects funded by federal grants, a "commodity" gearbox sourced from overseas is no longer just a...

06 Apr PGW 103 vs. PGW 104: Choosing the Right Actuator for High-Thrust Infrastructure

Posted at 10:16h in Engineering & Technical Library, Our Gearboxes, PGW-103, PGW-104 by Brad Stevens 0 Comments

When designing large-scale municipal water systems or hydroelectric intake towers, the choice of manual actuation is one of the most critical mechanical decisions in the project lifecycle. Specifying a unit that is undersized leads to mechanical failure; specifying one that is oversized adds unnecessary cost...

04 Apr Scaling Up: The Engineering Challenges of 3.5″ Stem Actuation

Posted at 00:35h in Engineering & Technical Library, PGW-104 by Brad Stevens 0 Comments

When Scale Redefines the Problem In the world of heavy municipal infrastructure, "scale" is more than just a measurement—it is a physical challenge that changes the behavior of materials under load. When a project transitions from a standard 1.5" stem to an oversized 3.5" diameter stem,...

03 Apr Mechanical Advantage vs. Friction: Why 85% Efficiency Matters in a 2:1 Bevel Gear Set.

Posted at 23:44h in Engineering & Technical Library, PGW-102 by Brad Stevens 0 Comments

The Physics of Manual Actuation When an engineer specifies a geared operator like the PGW 102, they are making a strategic calculation to manage input torque. In theory, a 2:1 ratio should cut the required user effort exactly in half. However, in the real world of...

03 Apr Efficiency Matters: How Needle Roller Thrust Bearings Reduce Operator Fatigue

Posted at 22:13h in Engineering & Technical Library, PGW-101 by Brad Stevens 0 Comments

In manual valve and gate actuation, "Efficiency" isn't just a buzzword—it is a direct measurement of how much energy is lost to friction before it ever reaches the stem. For a plant operator tasked with opening a heavy sluice gate, the difference between a 70%...

06 Apr The True Cost of “Low Bid”: Pequoig vs. Commodity Imported Gearboxes

06 Apr PGW 103 vs. PGW 104: Choosing the Right Actuator for High-Thrust Infrastructure

04 Apr Scaling Up: The Engineering Challenges of 3.5″ Stem Actuation

03 Apr Mechanical Advantage vs. Friction: Why 85% Efficiency Matters in a 2:1 Bevel Gear Set.

03 Apr Efficiency Matters: How Needle Roller Thrust Bearings Reduce Operator Fatigue

info@pequoiggearworks

Precision-engineered flow control solutions by Pequoig Gear Works, purpose-built for critical water, oil, gas and industrial infrastructure.

Our Gear Boxes