Brooks Instrument BM50 - Manual (Page 10)

1-2
Section 1 Introduction
Installation and Operation Manual
X-PD-BM-Ovals-eng
Part Number: 541B031AAG
January, 2009
BM Oval Series
Ambient temperature: -4°F to 104°F (-20°C - +40°C)
Meter sizes BM04, BM07, BM10 & BM50 have been subjected to a 4
times maximum working pressure test.
Meter size BM04 has been subjected to a 3 times maximum working
pressure test.
Outputs
Reed Switch
Detection Method: Reed Switch, Two wire SPST N/O contact.
Max. Voltage: 150 Vdc maximum.
Contact Capacity: 0.25 AMPS
Rating 3 Watts
Hall Effect Switch
Detection Method: Hall effect switch
Response Frequency: 1,000 Hz maximum
Output Pulse: Unfactored voltage pulse
Input/Output = 4.5 to 24 Vdc (4.6 ~ 9 mA)
Open Collector 25 mA output NPN compatible with digital logic.
Reverse power protection.
Table 1-2 Maximum Working Pressures and Temperatures
MODELS
Materials BM04, BM10 BM40, BM50 BM07
Body Rotors(Gears) Max. Press. Max Temp. Max. Press. Max Temp. Max. Press. Max Temp.
PSIG(kPa) F(C) PSIG(kPa) F(C) PSIG(kPa) F(C)
Aluminum, Screwed PPS 800(5500) 176(80) 260(1792) 176(80) N/A N/A
Aluminum, Flanged, 150 lb PPS 275(1896) 176(80) 260(1792) 176(80) N/A N/A
Aluminum, Screwed 316 Stainless Stl. 800(5500) 248(120) 260(1792) 248(120) N/A N/A
Aluminum, Flanged, 150 lb. 316 Stainless Stl. 275(1896) 248(120) 260(1792) 248(120) N/A N/A
316SS, Screwed PPS 800(5500) 176(80) 260(1792) 176(80) N/A N/A
316SS, Flanged, 150 lb. PPS 275(1896) 176(80) 260(1792) 176(80) N/A N/A
316SS, Screwed 316 Stainless Stl. 800(5500) 248(120) 260(1792) 248(120) N/A N/A
316SS, Flanged, 150 lb. 316 Stainless Stl. 275(1896) 248(120) 260(1792) 248(120) N/A N/A
316 SS, Tri-Clover 316 Stainless Stl. See BM10 Tri-Clover below N/A N/A N/A N/A
PPS, Screwed only PPS N/A N/A N/A N/A 150(1000) 176(80)
Bronze, Screwed only PPS See BM10 Bronze Body Below N/A N/A N/A N/A
MODELS
Materials BM10 Tri-Clover BM10, BRONZE BODY
Body Rotors(Gears) Max. Press. Max Temp. Max. Press. Max Temp.
PSIG(kPa) F(C) PSIG(kPa) F(C)
316 SS, Tri-Clover 316 Stainless Stl. 150(1000) 176(80) N/A N/A
Bronze, Screwed only PPS N/A N/A 800(5500) 176(80)
Notes:
The maximum pressure with mechanical display limits above applications to 500 psig (3450 kPa) or the lesser of the meter listed.
All pressures listed are at 100° F (38° C) for higher temperatures, pressure will be reduced per the standard flange specification
ANSI B16.5.
*
* BM50 available with flanges only.