Resources

pdf
143 KB
Temperature vs. Stem Height – P122 260F 265F Break Point – Dilavest P122
pdf
149 KB
Temperature vs. Stem Height – MS 9404 225F 225F Break Point – MS 9404
pdf
151 KB
Temperature vs. Stem Height – MS 9287 214F 214F Break Point – MS 9287
pdf
150 KB
Temperature vs. Stem Height – MS 9405 210F 210F Break Point – MS 9405
pdf
146 KB
Temperature vs. Stem Height – MS 9224 198F 198F Break Point – MS 9224
pdf
54 KB
Temperature vs. Stem Height – MS 9134 188F 188F Break Point – MS 9134
pdf
140 KB
Temperature vs. Stem Height – MS 9802 180F 180F Break Point – MS 9082
pdf
144 KB
Temperature vs. Stem Height – MS 9403 174F 174F Break Point – MS 9403
pdf
136 KB
Temperature vs. Stem Height – W2052 164F 164F Break Point – W2052
pdf
155 KB
Temperature vs. Stem Height – P77SH 162F 162F Break Point – Dilavest P77 SH
pdf
150 KB
Temperature vs. Stem Height – W2042 158F 158F Break Point – W2042
pdf
145 KB
Temperature vs. Stem Height – W2032 148F 148F Break Point – W2032
pdf
134 KB
Temperature vs. Stem Height – W1043 148F 148F Break Point – W1043  
pdf
133 KB
Temperature vs. Stem Height – W1033 138F 138F Break Point – W1033  
pdf
139 KB
Temperature vs. Stem Height – MS 9289 135F 135F Break Point – MS 9289
pdf
126 KB
Temperature vs. Stem Height – MS 9380 130F 130F Break Point – MS 9380
pdf
133 KB
Temperature vs. Stem Height – W1023 126F 126F Break Point – W1023
pdf
149 KB
Temperature vs. Stem Height – P45 113F 113F Break Point – Dilavest P45
22 documents

Frequently Asked Questions

Keystone specializes in wax-based thermal actuators. Some unique characteristics of wax-based actuators is that they do not require any power source and do not require any calibration or maintenance when in service.

Our thermal actuators are designed to operate within a wide temperature range, typically they actuate at temperatures ranging from 60°F to 225°F and are capable of withstanding temperatures from -40°F to 275°F, ensuring reliable performance in diverse environmental conditions.

Wax-based thermal actuators do not require any power source. The unique design of wax-based thermal actuators is such that they respond the environmental conditions around them using simple science without the need for any external power.

Yes, we understand that each project may have unique requirements. We provide customization options to tailor our thermal actuators to meet specific application needs, including modifications to size, mounting options, or control interfaces.

Our actuators are always responding to the environment around them. So as the environmental conditions change, the actuator is instantly changing with it.

Our thermal actuators are built with high-quality materials and undergo rigorous testing to ensure durability and reliability. Depending on usage and environmental factors, the expected lifespan is 50,000 cycles or more.

Yes, our team of experienced engineers is available to provide technical support and assistance throughout the integration process, including system design, installation guidance, and troubleshooting.

Keystone has an extensive quality control program based around ISO 9001. ISO 9001 is an internationally recognized standard for quality management systems (QMS). It provides a framework and set of principles for organizations to ensure that their products and services consistently meet customer requirements and regulatory standards while enhancing customer satisfaction. The ISO 9001 standard outlines various requirements that organizations need to fulfill to establish, implement, maintain, and continually improve their quality management systems.

Keystone product are RoHS compliant.

Our lead time for standard orders is typically 8-12 weeks, subject to availability and order volume. For custom or large-scale orders, lead times may vary and will be communicated during the quotation process.

We believe a strong America will benefit Keystone, it’s employees, it’s vendors, and the community at large. We are proud to do our part here at home. All raw materials used at Keystone are exclusively domestic materials. Keystone is proud to be able to claim that 99% of the parts and material used in our products are Made In America.

Our pricing structure is competitive and transparent, reflecting the quality and performance of our thermal actuators. We offer bulk discounts for large orders and provide detailed quotations upon request, including costs for components, customization, and shipping.

No, we take great pride in being family owned and operated. Several generations of our family work daily in our operations alongside our office cats and dogs!

News & Updates