Brooks Instrument 3600 Series User Manual
Page 8
1-2
Section 1 Introduction
Installation and Operation Manual
X-VA-MT3600-eng
Part Number: 541B075AAG
February, 2011
Models MT3600, MT3601 & MT3602
Ambient Temperature Limits
-20°F to 122°F (-29°C to 50°C)
Operating Fluid Temperature Limits
Maximum: 500°F (260°C)
Minimum: -20°F (-29°C)
Minimum/Maximum temperature with:
Buna O-ring -20°F (-29°C) to 250°F (121°C)
EPR O-ring: -20°F (-29°C) to 300°F (149°C)
Kalrez
®
O-ring: -20°F (-29°C) to 400°F (204°C)
Metal (316SS) O-ring: -20°F (-29°C) to 400°F (204°C)
Silicone O-ring: -20°F (-29°C) to 400°F (204°C)
Teflon
®
O-ring: -20°F (-29°C) to 400°F (204°C)
Viton
®
fluoroelastomers O-ring: -20°F (-29°C) to 400°F (204°C)
Optional all welded construction: 500°F (260°C)
Note: Maximum Temperature Rating for all meters with alarm option is
250°F (121°C)
Materials of Construction
Metering Tube, Floats, Flanges, and Extension Well
Standard: 316 stainless steel
Optional: Monel™, Hastelloy C-276™, “Mill Certificates” (316 stainless
steel only), meter body per NACE Spec MR-01-75 (316 stainless steel
only)
Table 1-1 Capacities and Pressure Drop
1. All air flows given are at 14.7 psia and 70°F.
2. 1" and 1-1/2" meters not recommended for gas service,
due to stability of float.
3. Minimum operating pressure (downstream) on gas service is 35 psig for
1/2" size. Consult factory for other conditions.
Size 8
Size 10 (1")
Size 12 (1-1/2")
Pressure
Pressure
Pressure
Air
Water
Drop
Water
Drop
Water
Drop
scfh
gph
psi
gpm
psi
gpm
psi
23
5
_
5
1.75
20
2.00
58
15
1.25
_
_
30
2.75
120
30
1.50
10
3.75
40
4.75
195
50
1.00
15
4.75
50
5.75
425
100
1.50
_
_
_
_
790
180
3.25
_
_
_
_
1660
300
5.00
_
_
_
_