QTY. 1. WELKER ENGINEERING CO. SUGAR LAND TX. CONSTANT PRESSURE 1000CC SAMPLE CYLINDER, SERIAL NO. 28909, D.O.T.-E 7657 1800, M5701, 02/07, TESTED 3600 PSIG, 1800 PSIG MAOP, MAT’L INCONEL, INLET FLANGE NO. 15515, OUTLET FLANGE NO. 15789, NO. ON CYLINDER 15883, 3 WELKER ENGINEERING ½” NEEDLE VALVES NO. NV-1FF 753, NV1FF 1028 AND NV-1MF 753 ALL STAINLESS  6000 PSI, 2 WELKER ENGINEERING CO. GAUGES 0-2000 PSI, TAG INFO  ON INLET SIDE SD-105432, 9-12-12, 60 M0, 1900 PSI, WELKER SD-86606W, N-3044, TAG ON OUTLET SIDE SD-105431, 9-12-12, 60 MO, 1900 PSI, WELKER SD-86606W, N-3044. 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, THUS ENSURING A REPRESENTATIVE SAMPLE AND REPEATABLE RESULTS FOR ACCURATE BILLING.

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