QTY. 1. WELKER ENGINEERING CO. SUGAR LAND TX. CONSTANT PRESSURE 1000 CC SAMPLE CYLINDER

QTY. 1. WELKER ENGINEERING CO. SUGAR LAND TX. CONSTANT PRESSURE 1000 CC SAMPLE CYLINDER SERIAL NO. 28984 D.O.T.-E 7657 M5701X 03/07 TESTED 3600 PSI 1800 PSIG MAOP MAT'L INCONEL INLET FLANGE NO. 15364 OUTLET FLANGE NO. 15789 CYLINDER NO. 15883. WITH D.O.T APPROVED CYLINDER CARRYING CASE MEETS OR EXCEEDS D.O.T REQUIREMENTS OF CFR TITLE 49. WELKER CONSTANT PRESSURE CYLINDER IS THE CONTAINER FOR THE SAFE COLLECTION AND TRANSPORT OF ACCURATE SAMPLES FOR LABORATORY ANALYSIS. PRE-CHARGING THE CONSTANT PRESSURE CYLINDER WITH AN INERT GAS OR PIPELINE GAS ALLOWS THE SAMPLE TO BE COLLECTED AT PIPELINE PRESSURE. NO PRESSURE DROP DURING SAMPLE COLLECTION PROTECTS AGAINST PHASE CHANGE AND ENSURES SAMPLE INTEGRITY. IN THE LABORATORY CONNECT A GAS SUPPLY WITH PRESSURE EQUAL TO PIPELINE PRESSURE TO THE PRE-CHARGE SIDE OF THE CYLINDER. AS THE SAMPLE IS INJECTED INTO THE ANALYZER FULL PRESSURE IS MAINTAINED IN THE CYLINDER