Band width: 19mm (0.75”)
Material: W2 301/W2 304
Free running torque: 6 in-lbs (0.7 Nm)
Suggested installation torque: 77 in-lbs (9 Nm)
A spring loaded hose clamps (also known as a constant-tension hose clamp or thermostatic T-bolt clamp) is a specialized high-performance clamping device that integrates the robust holding power of a standard T-bolt clamp with a precision-engineered Belleville washer spring assembly. This combination provides automatic, continuous compensation for thermal expansion, vibration, and hose relaxation, making it the preferred solution for extreme-duty applications in dynamic environments.

Key Components of T bolt spring loaded hose clamp
Heavy-Duty T-Bolt Mechanism: Features the same high-strength band and T-head bolt locking into a forged housing as a standard T-bolt clamp, ensuring exceptional static holding strength.
Belleville Washer Spring Stack: The defining component. A series of conical disc springs (Belleville washers) is assembled under the bolt head or within a dedicated spring housing. These springs are pre-calibrated to exert a specific, constant load (e.g., 50 lbs, 100 lbs).

Principle of Constant Tension:
During initial installation, the clamp is torqued until the spring stack is fully compressed ("collapsed"). This indicates the target pre-load has been achieved.
As the system operates, temperature cycles cause the hose, pipe, and fitting materials to expand and contract. The spring assembly automatically flexes, maintaining near-constant pressure on the joint.
This prevents the common failure mode of standard clamps: loosening due to thermal cycling ("heat cycling") or hose material creep over time.

Advantages of T bolt spring loaded hose clamps
Maintains Seal Integrity Under Dynamic Conditions: Actively compensates for thermal expansion/contraction and material relaxation, virtually eliminating leak paths that develop over time.
Superior Vibration & Fatigue Resistance: The constant spring force dampens vibrations and prevents fretting or loosening at the connection point, critical in high-RPM automotive or aerospace applications.
Prevents Over-Tightening: The "collapse point" of the spring provides a visual and tactile torque indicator, reducing the risk of damaging thin-walled hoses or expensive alloy fittings.
Long-Term Reliability: Drastically reduces the need for maintenance re-tightening. Ideal for sealed or hard-to-access systems.

Package of spring loaded hose clamps
1. bulk in carton
2.bag+carton+pallet
3.neutral box+neutral carton+pallet
4.plastic box+carton+pallet
5.customized color box+customized color carton
