Some Detailed Technical Info on our Industrial Valves and Strainers

This page includes more detailed information on various Sure Flow Equipment products. It also includes details on the quality codes and standards that Sure Flow Equipment follows. If you can’t find the information here that you’re looking for please contact our Engineering Department and we’ll happy to provide it.


Weld Procedure Development

Retainerless Check Valves

Knife Gate Valves Technical Specifications

A primer on industrial valves and strainers

A Checklist of some of the more common factors to take into account when selecting a strainer or filter.

Strainer Options

Y-Strainer Flow Rate Vs. Pressure Drop Charts

Custom Strainer Screens – Perforated Metal and Mesh


Quality Codes and Standards


What is the International Organization for Standardization (ISO)

What is the American Society of Mechanical Engineers (ASME)

What is the Technical Standards & Safety Authority (TSSA)

What is the National Board of Boiler and Pressure Vessel Inspectors (NB)

What is a Canadian Registration Number (CRN)?

Butterfly Valves: Seat Materials

Technical Data Library

Conversion Factors, Decimal Equivalents, Relative Sizes of Particles and Viscosity Conversion

Perforated Metal and Mesh Open Area Data & Mesh Inch/Micron Conversion Chart