Van Air Systems MDV400 Level Switch-Alarm - Manual

PRINTED IN THE USA © VAN AIR SYSTEMS INC. 2950 MECHANIC STREET, LAKE CITY, PA 16423 PAGE 1
OCTOBER 2007
P/N 432-10036-C
INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS
SENTINEL ®
MOTORIZED BALL VALVE WITH ADJUSTABLE CYCLE TIME
Model MDV400I
WARNINGS
DO NOT REMOVE OR REPLACE ANY PART OF THE PRODUCT WHILE IT IS UNDER PRESSURE. SERIOUS PER-
SONAL INJURY AND/OR DAMAGE TO THE PRODUCT MAY RESULT.
DO NOT OPERATE THE PRODUCT IF THERE ARE ANY PRESSURE LEAKS. IF A LEAK IS PRESENT, THE PRODUCT
MAY BE UNSAFE TO OPERATE. REMOVE THE PRODUCT FROM SERVICE IMMEDIATELY.
DO NOT OPERATE THIS PRODUCT ABOVE ITS MAXIMUM OPERATING PRESSURE AND/OR TEMPERATURE.
WHEN INSTALLING THIS PRODUCT, BE SURE TO COMPLY WITH ALL LOCAL, STATE, INTERNATIONAL, AND/OR
GOVERNMENT LAWS, RULES, REGULATIONS AND CODES APPLICABLE TO YOUR INSTALLATION.
DO NOT INSTALL THIS PRODUCT IN A MANNER THAT DISCHARGES TOWARDS PEOPLE OR EQUIPMENT. SERI-
OUS INJURY AND/OR DAMAGE MAY RESULT.
PROPER DISPOSAL OF DRAINED LIQUIDS THROUGH THIS PRODUCT ARE THE RESPONSIBILITY OF THE USER.
For optimum performance and safety, please read and understand all instructions before installation.
Personnel must use safe working practices and observe all applicable local and international regulations, safety, health and legal requirements
when installing and operating this product. Improper operation or maintenance of this product could be potentially dangerous resulting in an
accident causing injury or death. Van Air Systems cannot anticipate every possible circumstance which represents a potential hazard. The
Warnings in this manual cover the most common potential hazards and are therefore not all-inclusive. The installation and maintenance of this
product must be in strict accordance with this instruction manual or the warranty will be invalidated
.
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NOTES:
1. RATED PRESSURE: BRASS 600 PSIG COLD WOG
SS 900 PSIG COLD WOG
2. VALVES ARE FULL PORT 2 PIECE BALL VALVES
3. AVAILABLE ELECTRICAL:
-115VAC-1PH-50/60HZ, Max current 1.7 amps
-230VAC-1PH-50/60HZ, Max current 0.9 amps
-12VDC, Max current 1.7 amps
-24VDC, Max current 0.9 amps
(DC Voltage units are supplied with power cords but without plug)
4. NEMA 4 ENCLOSURE
5. AMBIENT TEMPERATURE OPERATING RANGE:
0 TO 120°F
6. VALVE INTERNAL MATERIALS
BRASS VALVES:
BALL-CHROME PLATED BRASS
STEM- BRASS
SEAT-PTFE
SEAT BACKUP RING-VITON
316SS VALVES: BALL-316SS
STEM-316SS
SEATS-RPTFE
SEAT BACKUP RING-VITON
VALVE
SIZE
(NPT)
VALVE
MATERIAL
DIMENSIONS
WEIGHT
(LBS)
ACTUATOR
TORQUE
(IN/LBS)
FLOW
COEFFICIENT
CV A B C
1/2"
BRASS
5.55 2.63 6.52 8.16 150* 19.0
3/4" 5.73 2.99 6.72 8.39 150* 34.4
1" 5.90 3.34 7.23 8.83 150* 50.2
1-1/4" 6.06 3.66 7.56 9.70 150* 103.7
1-1/2" 6.30 4.13 8.32 10.65 150* 268.4
2" 6.63 4.80 8.91 12.96 300 309.2
2-1/2" 7.28 6.10 9.90 16.14 600 629.0
3" 7.67 6.88 10.72 21.16 600 1018.2
1/2"
STAINLESS
STEEL
(316SS)
5.55 2.64 6.83 8.18 150* 19.0
3/4" 5.77 3.07 6.99 8.67 150* 34.4
1" 6.00 3.55 7.63 9.66 150* 50.2
1-1/4" 6.20 3.94 8.03 10.42 150* 103.7
1-1/2" 6.43 4.41 8.87 11.65 150* 268.4
2" 6.89 5.32 9.61 14.88 300 309.2
* ACTUATOR TORQUE FOR UNITS WITH DC VOLTAGE IS 300 IN/LBS.
FIGURE 1