SS PROVER SPECIFICATIONS
                                              

1. CONSTRUCTION

BUILT TO N.I.S.T HANDBOOK 105-3STANDARDS AND API    MANUAL OF PETROLEUM MEASUREMENT STANDARDS CHAPTER 4
2  .   CALIBRATION 
FACTORY CERTIFIED USING STANDARDS TRACEABLE TO NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY.
3  .   NOMINAL CAPACITY
1500 LITTER - CAUBRATED "TO DELIVERD" AT 15 DEG C
4  .   NOMINAL DIAMETER
50 INCH
5  .   NOMINAL HEIGHT
80 INCH
6  .   PROVER WEIGHT (DRY)
1000 LB
7  .   METERIAL 
TYPE 304 STAINLESS STEEL
8  .   DRAIN VALVE 
CENTER DRAIN, 3 INCH BUTTERFLY VALVE
9  .  DESING
REINFORCING BANDS TO PREVENT DISTORTION OF PROVER WHEN FULL WITH LIQUID AND WHEN BEING TRANSPORTED.
10 .  TEMPERATURE MEASUREMENT
(3) STAINLESS STEEL THERMOMETER WALLS, ONE NEAR TOP OF BODY, ONE IN THE MIDDLE OF THE BODY AND ONE NEAR BOTTOME OF BODY.
11 .  LEVEL INDICATION
(2) SPIRIT LEVELS LOCATED 90 DEG FROM ONE ANOTHER
12 .  VOLUME INDICATION
ALUMINUM GRADUATED SCALE
13 .  SCALE GRADUATIONS
250 ML INCREMENTS
14 .  REQUIRED SCALE RANGE
±11250 MLLITERS. THE GAUGE SCALE SHALL BE GRADUATED BOTH ABOVE AND BELOW THE NOMINAL CAPACITY GRADUATION BY AN AMOUNT NOT LESS THAN 1% OF THE  PROVER VOLUME.
15 . TOLERANCE
0.05% SCALE ACCURACY
16.  DATA PLATE
ENGRAVED BRASS
17 .  GAUGE GLASS FITTING
STAINLESS STEEL
18 .  LIFTING LOOPS
(2) LIFTING LOOPS ATTACHED TO TOP BAND OF PROVER
19 .  SIGHT FLOW INDICATOR
INSTALLED BETWEEN PROVER DRAIN VALVE AND LEVELING BALL JOINT TO ENSURE DRAIN TIME MEETS NIST (30 SECOND AFTER MAIN FLOW CESSATION) DRAIN REQUIREMENTS. ALSO USED TO CHECK DRAIN VALVE FOR LEAKAGE.
20 .  FILL
STAINLESS STEEL "TOP LOADING-SUBMERGED FILL" PIPE PASSES THROUGH THE UPPER CONE AND EXTENDS TO THE BOTTOM CONE, REDUCING FOAMING WHILE FILLING.
21 .  NECK COVER
STAINLESS STEEL HINGED LOCKING COVER FOR TOP OF NECK TO PREVENT CONTAMINATION OR DAMAGE DURING TRANSPORTATION. ANOTHER COVER PROTECTS THE GAUGE GLASS FROM ACCIDENTAL BREAKAGE.
22 .  LEGS
(3) NON-ADJUSTABLE BOLT DOWN LEGS