RELIEVE VALVE FOR HVAC AHU SIZE :15 A REF : NH3,FREON NO:07458 TP :3.3 MPA SPOUT :2.50 MPA CLOSE :2.13 MPA TO BE DELIVER WITH CERTIFICATE: C600: CERTIFICATE OF CONFORMITY YLNG TAG NO.: 31-QA-09-2A/B/C 32-QA-09-2A/B/C 35-QA-09-12A/B/C 36-QA-09-2A/B/C 37-QA-09-13B 37-QA-09-13D MANUFACTURER : 101495 DONGYANG ENG MANUFACTURER PART NUMBER: 7458