QTY. 1. WELKER ENGINEERING CO. SUGAR LAND TX. CONSTANT PRESSURE 500 CC SAMPLE CYLINDER

QTY. 1. WELKER ENGINEERING CO. SUGAR LAND TX. CONSTANT PRESSURE 500 CC SAMPLE CYLINDER SERIAL NO. 17252 W/CASE WELKER ENGINEERING COMPANY MAT. SS EC-4100 D.O.T E 7657 1800 PSI U.S.A. 4/91 W.O. 76546 2X.120 TP-316 SANDVIK SMLS GF ASTM-A-269/213AVG/WALL HT.460983 ASHCROFT GAUGES 0-2000 PSI WITH WELKER 316 ¼" NON ROTATING STEM VALVES. 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