Product Quality

Quality Policy

“Clarke Valve is dedicated to providing the highest quality industrial valves to our customers, defect-free, and on time.
We are committed to satisfying all customer and applicable requirements and to the continual improvement of our business, products, processes, and quality management system. All valves produced by Clarke are designed, inspected, and tested in strict conformance to the applicable industrial valve standards and codes to ensure maximum product safety and reliability.”

From ASME B16.34 to ISO 5211, Clarke Valve proudly conforms to, or maintains certifications for, more than 20 respected industry standards, ensuring seamless integration and zero disruptions when a customer makes the choice to deploy the Dilating Disk™ Valve.

View the full list of standards and certifications

ISO 9001:2015 Certificate

The ISO 9000 family of quality management systems standards is designed to help organizations ensure that they meet the needs of customers and other stakeholders while meeting statutory and regulatory requirements related to a product or service.

Download: ISO 9001:2015 Certificate

ISO 15848-1:2015 Certificate

“Industrial valves – Measurement, test and qualification procedures for fugitive emissions” outlines the testing requirements for control valves and isolation valves. Control valves must cycle from 40% open to 60% open more than 100,000 times to achieve a CC3 endurance rating, and must allow less than 50 parts per million by volume leakage of methane to achieve the Class AM tightness rating.

Download: ISO 15848-1:2015 Certificate-Fugitive Emissions Test Report

API 641 Certification: Group A

The American Petroleum Institute (API) 641 standard, “Type Testing of Quarter-Turn Valves for Fugitive Emissions,” applies to all stem seal materials, and requires a stringent maximum allowable leakage of 100 parts per million by volume (PPMv). This API test standard calls for 610 cycles of the valve​ under extreme temperature fluctuations to evaluate emissions performance over an accelerated life cycle.

Download: API 641 Group A Certification

PED Module H Certificate (CE Marking)

Clarke Valve has implemented, operates and maintains a quality assurance system as described in the Pressure Equipment Directive 2014/68/EU Annex III,  Module H for the scope of “Design and manufacture of dilating disk and/or shutter valves.”

“The manufacturer is authorized to provide the pressure equipment produced within the scope of the assessed quality assurance system with the following Notified Body Number: CE 0036.”

Download: Clarke Valve PED Module H Certificate_English_2019

Canadian Registration Number (CRN)

The drawings, engineering calculations, and materials of construction for the Dilating Disk™ Valve have been approved by ABSA, TSSA, and ACI, and are exempt in all other Provinces, by virtue of their conformance with the pressure and temperature ratings defined by  ASME B16.34.

Download: ABSA CRN Approval (Alberta)

Download: ACI CRN Approval (NB,NL,NS,PE,NT,NU,YT)

Download: TSSA CRN Approval (Ontario)

SIL 3 Certification

Clarke Valve has been assessed per the relevant requirements of IEC 61508 : 2010 Parts 1-7, and meets requirements providing a level of integrity to Systematic Capability: SC 3 (SIL Capable) | Random Capability: Type A, Route 1H Device.

Download: SIL 3 Certification


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