Thank you for your interest in our MiDP S390/S391 Series 2-Port Inert Diaphragm Poppet Proportional Valve. Please fill out your information below to access the download. We’ll also send a link to the download to the email address you provided, so you have it for future reference.
A local distributor may contact you in a few days to answer any further questions.
If you need to speak to a Humphrey representative, please call 1.800.477.8707 for general inquiries or 1.800.477.8709 for technical support.