+1-774-517-5300 Mon - Fri 08:00 A.M. - 5:00 P.M. EST (UTC-5) 253 Pleasant Street West Bridgewater, MA 02379
Made in the USA
ISO 9001:2015


KOSO HAMMEL DAHL is a world-leading manufacturer of high-quality control valves, actuators, and accessories for the automation market. Formed through the integration of the HAMMEL DAHL brand and the advanced technology of its parent company, Nihon KOSO, the company represents years of experience serving both general and specialty applications in various industries, including chemical, power generation, industrial gas, oil and gas, metals and minerals, as well as pulp and paper.

KOSO HAMMEL DAHL offers a full line of top guided, cage guided, and specialty valve products in the following categories:

  • General Service Control Valves
  • Severe Service Control Valves
  • Cryogenic Service Control Valves
  • Actuators and Accessories

Whether your needs are minor modifications to standard products, specialty materials, or one of our many industry-specific solutions, we have the experience and commitment to meet your needs.

Unparalleled Customer Satisfaction

First and foremost, KOSO HAMMEL DAHL is committed to customer satisfaction. This dedication is evident in the high quality and attention to detail found in all of our products and services.

Our customers have relied upon our short lead-times, competitive pricing, and unrelenting devotion to delivering on time. Furthermore, our commitment to your satisfaction extends to our technical support team, which is there to provide commissioning services, spare parts, repairs, information, documentation, or anything else you need.

Contact Us

For questions, concerns, or more details about any of our products or services, please contact us via phone at +1 774-517-5300 orĀ email us.