• strict warning: Non-static method view::load() should not be called statically in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/views/views.module on line 1118.
  • strict warning: Declaration of views_handler_field::query() should be compatible with views_handler::query($group_by = false) in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/views/handlers/views_handler_field.inc on line 0.
  • strict warning: Declaration of content_handler_field::element_type() should be compatible with views_handler_field::element_type($none_supported = false, $default_empty = false, $inline = false) in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/cck/includes/views/handlers/content_handler_field.inc on line 0.
  • strict warning: Declaration of views_handler_sort::options_validate() should be compatible with views_handler::options_validate($form, &$form_state) in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/views/handlers/views_handler_sort.inc on line 0.
  • strict warning: Declaration of views_handler_sort::options_submit() should be compatible with views_handler::options_submit($form, &$form_state) in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/views/handlers/views_handler_sort.inc on line 0.
  • strict warning: Declaration of views_handler_sort::query() should be compatible with views_handler::query($group_by = false) in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/views/handlers/views_handler_sort.inc on line 0.
  • strict warning: Declaration of views_handler_filter::options_validate() should be compatible with views_handler::options_validate($form, &$form_state) in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/views/handlers/views_handler_filter.inc on line 0.
  • strict warning: Declaration of views_handler_filter::query() should be compatible with views_handler::query($group_by = false) in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/views/handlers/views_handler_filter.inc on line 0.
  • strict warning: Declaration of views_plugin_query::options_submit() should be compatible with views_plugin::options_submit($form, &$form_state) in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/views/plugins/views_plugin_query.inc on line 0.
  • strict warning: Declaration of views_plugin_style_default::options() should be compatible with views_object::options() in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/views/plugins/views_plugin_style_default.inc on line 0.
  • strict warning: Declaration of views_plugin_row::options_validate() should be compatible with views_plugin::options_validate(&$form, &$form_state) in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/views/plugins/views_plugin_row.inc on line 0.
  • warning: Creating default object from empty value in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/date/date/date.module on line 661.
  • strict warning: Non-static method view::load() should not be called statically in /home/kelsotech/www/kelsotech/wwwroot/sites/all/modules/views/views.module on line 1118.

Vacuum Relief Valve

The development of Kelso's vacuum relief valve was driven by customers’ demand for a better performing VRV due to high failure rates of current products in the market.  Kelso is dedicated to the development of best available safety technologies that deliver long term reliable high performance.  Our new innovative VRV features our patented constant force pressure springs and meets the new DOT-117 tank car specifications. Kelso's VRV is available as 1.5, 3 or 4.5 psi with a 2.5 inch threaded connection or flange