JCH Check valves with inspection plug Type 2290 has now been VA- approved
Type 2290 has been assigned the following order numbers
Type 2290 3/8" VVS Nr. 430327-003
Type 2290 1/2" VVS Nr. 430327-004
Type 2290 3/4" VVS Nr. 430327-006
Type 2290 1" VVS Nr. 430327-008
Type 2290 1.1/4" VVS Nr. 430327-010
Type 2290 1.1/2" VVS Nr. 430327-011
Type 2290 2" VVS Nr. 430327-012
