730-2120 - Trident Marine Stainless Steel Constant Torque Clamp | Aztek Computers
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SKU: J71GMLURGC |  Mfg. Part: 730-2120  |  0 Reviews  |     Share

730-2120 - Trident Marine Stainless Steel Constant Torque Clamp 5/8" Band, Hose I.D. - 2-3/8" to 3", Hose O.D. - 2.75" t

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Product Overview

Stainless Steel Constant Torque Clamp 5/8" Band, Hose I.D. - 2-3/8" to 3", Hose O.D. - 2.75" to 3.625"

Virtually all rubber hose compresses (cold flow) after installation of clamping device, resulting in an almost immediate torque loss that can exceed 80% of installation torque. Similarly, virtually all metal connections expand as a system heats up, and then contracts as the system cools. Conventional worm gear, T-bolt, and other clamps are passive, in that expansion or contraction of components cannot be compensated for with out re-tightening or loosening the clamps. This clamping system is an “active” clamping mechanism, which monitors and then compensates for the changes by actually changing diameter through a unique worm gear Belleville assembly.

Specifications:

  • Hose I.D. - 2-3/8" to 3", Hose O.D. - 2.75" to 3.625"
  • Recommend max. torque - smaller id. sizes up to 730-3000 - 30 to 70 in.-lbs, larger id. sizes above 730-3000 - 50 to 120 in.-lbs

Construction:

  • Band & Housing: 304 Stainless Steel 5/8” Wide Band
  • Bellville Spring Washers & Screw: 401 Stainless Steel

Expert Overview

The Trident Marine Stainless Steel Constant Torque Clamp, part number 730-2120, is designed for securing hoses in systems where thermal cycling or material compression can lead to clamp loosening. This active clamping mechanism addresses the issue of torque loss that commonly occurs after initial installation due to rubber hose cold flow or metal component expansion and contraction. Unlike passive clamping devices, this system utilizes a unique worm gear Belleville assembly to continuously adjust its diameter, maintaining consistent clamping force without manual retightening. It is suitable for hose inner diameters ranging from 2-3/8" to 3" and outer diameters from 2.75" to 3.625". Constructed from 304 stainless steel for the band and housing, and 401 stainless steel for the Belleville spring washers and screw, it offers a durable solution for maintaining secure connections in demanding operational environments.

Product Details

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  • Trident Marine
  • 730-2120
  • New
  • 0 lbs
  • 5 X 5 X 5
  • Sep 03, 2026
  • Aug 26, 2026
Product Identifiers: Brand: Trident Marine • Part #: 730-2120 • Category: Hose & Cable Clamps

Frequently Asked Questions

What hose sizes is this clamp compatible with?

This clamp is designed for hoses with an inner diameter (I.D.) of 2-3/8" to 3" and an outer diameter (O.D.) of 2.75" to 3.625".

What problem does a constant torque clamp solve compared to standard clamps?

Conventional clamps can lose significant torque due to rubber hose compression (cold flow) or thermal expansion/contraction of system components. This constant torque clamp actively compensates for these changes, maintaining a consistent clamping force without the need for re-tightening.

What materials are used in the construction of this clamp?

The band and housing are made from 304 stainless steel with a 5/8" wide band. The Belleville spring washers and screw are constructed from 401 stainless steel.

What is the recommended maximum torque for installation?

For this clamp, which falls into the smaller I.D. size category (up to 730-3000), the recommended maximum torque is between 30 to 70 in.-lbs.

730-2120 - Trident Marine Stainless Steel Constant Torque Clamp 5/8" Band, Hose I.D. - 2-3/8" to 3", Hose O.D. - 2.75" t

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