Check Valves

Testing Protocols for Turf & Landscape Irrigation Equipment

Version 2.3: Test Protocol

Pop-up Sprinkler Head Check Valves Version 2.3 (PDF) (Last updated June 18, 2014)

 

This test protocol is finalized and will be used to test manufacturer products. Tested products will have results posted.

Version 2.2: Test Protocol

Sprinkler Head Check Valve Testing Protocol Version 2.2 (PDF) (Last updated March 20, 2014) 

Responses to Public Comments to Version 2.2 

 

The update adds a test to measure the performance of the check valve in a non-perpendicular position (see Annex A, A.9). Submit comments to SWAT using this form and send to iaswat@irrigation.org.

 

Version 2.1: Test Protocol

Sprinkler Head Check Valve Testing Protocol Version 2.1 (PDF) (Last updated Dec. 18, 2013) 

 

Version 2.0 Test Protocol

Sprinkler Head Check Valve Testing Protocol Version 2.0 (PDF) (Last updated March 26, 2012) 

 

Public comments and responses (PDF) (Last updated Dec. 18, 2013) 

 

Draft 1: Test Protocol

Sprinkler Head Check Valve Testing Protocol First Draft (PDF) (Last updated May 7, 2012) 

  

Public comments received (PDF) (Last updated Aug, 31, 2012)

  

Response to comments (PDF) (Last updated March 26, 2012)