HY-GRADEPrecisionEngineeredCheck Valves

HY-Grade is CE certified HY-Grade is ISO 9001 Certified
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  • Deprecated function: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in _charts_google_populate_chart_axes() (line 136 of /usr/share/nginx/vhosts/hygrade/sites/all/modules/charts/modules/charts_google/charts_google.inc).
  • Deprecated function: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in _charts_google_populate_chart_axes() (line 135 of /usr/share/nginx/vhosts/hygrade/sites/all/modules/charts/modules/charts_google/charts_google.inc).
  • Deprecated function: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in _charts_google_escape_icu_characters() (line 332 of /usr/share/nginx/vhosts/hygrade/sites/all/modules/charts/modules/charts_google/charts_google.inc).
  • Deprecated function: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in _charts_google_escape_icu_characters() (line 332 of /usr/share/nginx/vhosts/hygrade/sites/all/modules/charts/modules/charts_google/charts_google.inc).
Hy-Grade | Quality and Precision

Quality and Precision

Since 1984, HY-GRADE has built a reputation for complete customer satisfaction by employing stringent quality guidelines and precise manufactoring techniques.
Hy-Grade | Problem Solving

Problem Solving

HY-GRADE manufactures check valves which are engineered with features that solve common check valve problems.
Hy-Grade | Wide Range of Application

Wide Range of Applications

HY-GRADE offers a full line of check valves used across many applications and industries; Oil & Gas, Pulp & Paper, Chemical, Petrochemical, Refining, Mining, Marine and Power.

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