Promises are Good. Performance is Best.


Sales Terms and Conditions

Our Sales Terms and Conditions apply to all sales by co-ax valves inc. to the purchaser of any and all products manufactured and/or distributed by co-ax and to all quotations and offers made by and purchase orders accepted by co-ax pursuant to an Order Acknowledgement.

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Sales Terms and Conditions Document

Procurement Terms and Conditions

The co-ax valves inc. Purchasing Terms and Conditions shall apply to all purchase orders to our vendors for all products or services.

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Procurement Terms and Conditions Document

General Operating Instructions

Our general operating instruction is valid for all armatures manufactured by müller co-ax ag. It contains all important advices regarding the installation, working and maintenance and can be seen or downloaded here.

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General Operating Instructions Document

CSA/UL Certificate

The ETL Listed Mark indicates that the product has been tested by ITS ETL SEMKO, and found to be in compliance with the following accepted national standards.

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CSA/UL Certificate Document

Control Valve Operating Instructions

For our control valves there are additional specific operating instructions. They contain necessary supplemental operating information which is not contained in the general operating instructions or on the data sheet.

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SPI 08 · SPP 15 PC · SPI 32 Document
HPI 08 · HPP 15 PC · HPI 32 Document
SPP-1/2 15 DR Document
RMQ 10 - 32 Document
SPB 08 · SPB 65 Document
SPB-N / SPB-S / SPB-H 15/32/50 Document
HPB 08 · HPB 65 Document
HPB-N / HPB-S / HPB-H 15/32/50 Document

ISO 9001:2015 Certificate

The Quality System of co-ax valves inc. including its implementation, meets the requirements of the standard ISO 9001:2015.

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ISO 9001:2015 Certificate Document

Return Goods Procedure and Policy

As an ISO 9001:2015 certified corporation co-ax valves inc. is committed to providing our customers with products, service and support that exceeds their expectations. With that in mind co-ax valves inc. fully understands the time and cost involved to process return material requests. We believe if all parties follow the following procedures, returns can be processed in a timely manner and will allow us to provide the service and support that our customers expect of us.

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Return Goods Procedure and Policy Document

co-ax valves inc. brochure

A brief guide to coaxial valve technology and innovation for OEM and MRO applications.

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co-ax valves inc. brochure Document

Adobe Reader

All of our data sheets and operating instructions are available in PDF-Format. You need the Adobe Reader in order to display them or print them out. If you do not yet have the Adobe Reader installed on your computer, you can download it from