234 SW 12th Ave • Deerfield Beach, FL 33442 • 800-222-2177 • 954-428-8745 fax • www.chemtec.com • info@chemtec.com
LPH SERIES
N O N - A D J U S T A B L E F L O W M O N I T O R
KEY FEATURES
Compact, Dependable, Economical
FEATURES
• Close On-Off Differential
• Visual Indication of Flow with Acrylic Model
• No Seals
• In Line Vertical Plumbing
• Materials: Acrylic, Brass or 316ss
• Confirms: Normal Flow Conditions
• Senses: High Flow and Low Flow Conditions
• Output: Switch Contact
Monitor Flows of Corrosive and Non-Corrosive Liquids and Gases
When fluid flows through the unit it causes the magnetic piston to move up at the
calibration point. This displacement is caused by the pressure differential from the
fluid flowing through the unit. The magnetic piston actuates a hermetically sealed
reed switch, which is encapsulated in the body of the unit, out of the fluid path.
Decreasing the flow below the calibration point causes the reed switch to de-actuate.
• Actuation points for air at 68˚ F and 14.7 PSIA with increasing flow.
• Deactuation (decreasing flow) averages
±
10% less than actuation (increasing flow).
• Flow setting accuracy 10% of calibration points shown.
• Repeatability
±
1%.
• Unit will pass greater flows.
∆P AT SET POINT
MBARS (INCHES OF WATER)
ALL UNITS 11.2 (4.5)
Corrections must be made for other gases, line pressures and temperatures.
Please consult your representative or the factory.
MODEL AIR WATER PORTS
SCC/M(SCFH) ML/M(GPH) FNPT
LPH-125 -0 50 (0.105) 1 (.016) 1/8”
-1 120 (0.254) 2 (.03171)
-2 560 (1.187) 16 ( .25369)
-3 750 (1.589) 30 (.47567)
-4 1,300 (2.755) 45 (.71350)
-5 1,400 (2.966) 50 (.79278)
-6 1,900 (4.026) 65 (1.0306)
-7 2,500 (5.297) 85 (1.3477)
-8 2,700 (5.721) 90 (1.4270)
-9 3,300 (6.992) 105 (1.6648)
-10 3,600 (7.628) 120 (1.9027)
-11 5,200 (11.02) 170 (2.6955)
-12 6,000 (12.71) 200 (3.1711)
LPH-250 -1 350 (0.742) 7 (0.111) 1/8 “
-2 6,000 (12.71) 200 (3.171)
-3 7,500 (15.89) 250 (3.964)
-4 9,500 (20.12) 315 (4.994)
-5 10,500 (22.25) 346 (5.486)
-6 12,500 (26.49) 400 (6.342)
-7 15,200 (32.21) 500 (7.928)
-8 24,000 (50.85) 760 (12.05)
LPH-375 -1 3,000 (6.36) 70 (1.110) 1/4 “
-2 15,200 (32.21) 475 (7.531)
-3 30,300 (64.20) 950 (15.06)
-4 37,000 (78.40) 1,425 (22.59)**
-5 45,300 (95.99) 2,200 (34.88)**
BODY WEIGHT MAX WORKING WETTED
MATERIAL OZ. (gm) PRESSURE PSIG (barg) PARTS
Acrylic 4 (113.4) 100 (6.89) Acrylic, 316SS, Epoxy
Brass 8 (226.8) 1500 (103.42) Brass, 316SS, Epoxy
316SS 8 (226.8) 3000 (206.84) 316SS, Epoxy
Teflon 4 (113.4) 80 (5.52) Teflon®
CALIBRATION POINTS
APPLICATIONS
• Analyzers
• Kidney Dialysis Machines
• Micro Biomedical Machines
• Laser Cooling Systems
• Bubbler Systems
• Pollution Sampling Equipment
CE Recognized 73/23/EEC/93/68/EEC
Recognized File E75356
OPERATION
PRESSURE LOSS TABLE
SPECIFICATIONS
TEMPERATURE OPERATING RANGE
**Teflon® encapsulated piston not available
1057 CTE LPH Series
• 0 to 220˚ F (-17 to 104˚ C) for 316ss, Brass and Teflon®
• 32 to 160˚ F (0 to 71˚ C) for Acrylic
For other temperature ranges consult factory.
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