Description
Product Overview
The KF-25 Aluminium Wing Nut Hinge Clamp by Space-Parts is engineered to deliver a secure, leak‑free connection for a wide range of vacuum applications. Crafted from high‑grade aluminum, the clamp offers exceptional strength while remaining lightweight, making it ideal for both stationary installations and portable setups. The integrated centering ring aligns the mating flanges precisely, while the quick‑install O‑ring provides an instant seal that resists corrosion and chemical attack. With a compact footprint of 2.1 x 2 x 1.2 inches and a weight of just five ounces, the clamp is easy to handle and store. Its design conforms to the standard KF‑25 thread, ensuring compatibility with most vacuum components, including degassing chambers, vacuum ovens, and vent lines. The product is packaged as a set of two clamps, giving users the flexibility to replace or expand their vacuum system without additional purchases.
![[Product front view showing all components]](https://www.bestpro.store/wp-content/uploads/2026/07/3052c925e7b24415bb5c979ecbf3c1b5.jpg)
Usage
These clamps excel in environments where a reliable vacuum seal is critical. In laboratory settings, they secure connections between glass or metal vacuum chambers and pumping equipment, preventing leaks that could compromise experimental results. In industrial applications, the clamps are used to join hose sections in vacuum dust collection systems, ensuring consistent airflow and particle capture. They are also suitable for hobbyist projects such as custom vacuum ovens or small‑scale distillation rigs, where ease of installation and durability are paramount. The clamp’s quick‑install O‑ring allows technicians to assemble or disassemble connections rapidly, reducing downtime during maintenance or reconfiguration. Because the aluminum body does not bend under typical operating pressures, users can trust the clamp to maintain its integrity over repeated cycles.
Why Choose Us
Space-Parts stands out for its commitment to quality manufacturing and rigorous testing. Each KF-25 clamp undergoes dimensional verification to guarantee a perfect fit with standard KF‑25 components, eliminating the guesswork often associated with aftermarket parts. The aluminum material is sourced from reputable suppliers and undergoes anodized treatment to enhance corrosion resistance, extending the product’s service life even in harsh chemical environments. Our design incorporates a dual‑action mechanism: the wing nut provides a strong, repeatable clamping force, while the hinge allows for fine‑tuned adjustments without the need for additional tools. Customer support includes detailed installation guides, responsive technical assistance, and a straightforward return policy, ensuring that users receive both a high‑performance product and peace of mind.
Key Features
- Robust aluminum construction delivers long‑lasting durability and resistance to corrosion.
- Integrated centering ring ensures precise alignment of flanges for a perfect seal.
- Quick‑install O‑ring provides an instant, leak‑free connection without additional tools.
- Standard KF‑25 thread compatibility fits a wide range of vacuum components and hoses.
- Responsive customer support and easy replacement policy for hassle‑free ownership.
FAQ
What size vacuum hoses are compatible with the KF-25 clamp?
The KF-25 clamp is designed for hoses and components that use the standard KF‑25 (25 mm) flange size, which is common in many laboratory and industrial vacuum systems.
Can the clamp be used with stainless steel components?
Yes, the clamp’s aluminum body works well with stainless steel flanges, providing a secure seal without damaging the metal surfaces.
How many times can the clamp be opened and closed before it needs replacement?
Thanks to the high‑quality aluminum and precision machining, the clamp can be cycled dozens of times while maintaining its clamping force and seal integrity.
Is the O‑ring included in the package?
Each set includes two clamps, each equipped with its own O‑ring, so you have everything needed for immediate installation.
What is the recommended torque for tightening the wing nut?
For optimal performance, tighten the wing nut until it is snug but avoid over‑tightening; a moderate hand‑tightened force is sufficient to achieve a leak‑free seal.





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