1-5
Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
3809 Indicator Only Indicator with Alarm
1
Indicator with Transmitter
1
Size Standard Hi
h Temperature Standard Hi
h Temperature Standard Hi
h Temperature
-58° thru 420° F 617° F -22° thru 320° F 450° F -22° thru 195° F 300° F
-50° thru 215° C 325° C -30° thru 160° C 230° C -30° thru 90° C 150° C
-58° thru 420° F 617° F -22° thru 320° F 617° F -22° thru 195° F 400° F
-50° thru 215° C 325° C -30° thru 160° C 325° C -30° thru 90° C 200° C
3819 Indicator Only Indicator with Alarm
1
Indicator with Transmitter
1
Size Standard High Temperature Standard High Temperature Standard High Temperature
-22° thru 300° F 300° F -22° thru 300° F 300° F -22° thru 195° F 300° F
-30° thru 150° C 150° C -30° thru 150° C 150° C -30° thru 90° C 150° C
Indicator Onl
2
Indicator with Alarm or Transmitter
-58° thru 150° F
-50° thru 65° C
1. High Temperature option not available with Explosion Proof Housing
2. Ambient Temperature below -22° F / -30° C requires Low Ambient Temperature Option
-30° thru 65° C
7 & 8
10 thru 16
7 thru 13
-22° thru 150° F
Table 1-2 Model MT 3809 Pressure Ratings*
617°F
1200
1200
1200
1000
600°F
1200
1200
1200
1000
500°F
1300
1300
1300
1100
400°F
1400
1400
1400
1200
300°F
1400
1400
1400
1200
Threaded NPT
7 & 8
10
12
13
200°F
1500
1500
1500
1300
-20°F to 100°F
1500
1500
1500
1300
316L Stainless Steel (psig at indicated temperature)
* Model MT 3819 pressure ratings dependent on flange rating.
**Flanges are dual certified 316L/316 stainless steel.
617°F
134
448
899
600°F
140
450
905
500°F
170
480
955
400°F
195
515
1030
300°F
215
560
1120
Flange Rating**
150 lb.
300 lb.
600 lb.
200°F
240
620
1240
-20°F to 100°F
275
720
1440
316/316L Stainless Steel (psig at indicated temperature)
Table 1-3 Maximum Fluid Temperatures at 104°F (40°C) Ambient
309 &3819 Minimum and Maximum Ambient Temperature