GPI GNT Specifications
Precision Meters - GBT, GIT & GNT
Model GNT
NPT Fitting
GNT shown here
with Local Display
A c cu r Ac y : ± 0 . 5%
Select Your Meter Size:
1/2 inch 1 inch 2 inch
3/4 inch 1-1/2 inch 3 inch
For Your Special Application Needs:
Model GNT HT
For High Temperatures
(This model is not available in 3 inch)
Sensor Options:
■ Low Drag Pickup
(1/2 in. turbines)
■ Standard Pickup
(3/4 to 3 in. turbines)
Electronics Options:
■ GG510 (Display with
Pulse Output)
■ GX510 (Display with
4-20 mA Output)
■ GA510 (4-20 mA Output)
■ SC510 (Scaled Pulse Output)
SPECIFICaTIONS
Design Type: Turbine
Housing Material: 316 Stainless Steel
Meter Sizes Available:
For GNT: NPT Taper (Male) 1/2” 3/4” 1” 1-1/2” 2” 3”
For GBT: BSP (Male) 1/2” 3/4” 1” 1-1/2” 2” 3”
For GIT: ISO Taper (Male) 1/2” 3/4” 1” 1-1/2” 2” 3”
For High Temperature✱: 1/2” 3/4” 1” 1-1/2” 2” —
Flow Range: 1/2” (051) 0.8 - 6.0 GPM (3.0 - 22 LPM)
3/4” (075) 1.6 - 16 GPM (6.0 - 60 LPM)
3/4” (075E) 2.3 - 23 GPM (8.7 - 87 LPM)
1” (100) 6.7 - 67 GPM (25.2 - 252 LPM)
1-1/2” (150) 17.7 - 177 GPM (67.0 - 670 LPM)
2” (200) 33 - 330 GPM (125.0 - 1250 LPM)
3” (300) 60 - 600 GPM (227.1 - 2271 LPM)
Accuracy (Linearity): ± 0.5%
Repeatability: ± 0.1%
Pressure Rating: 1/2” to 2” = 5,000 PSI / 340 BAR
3” = 2,500 PSI / 170 BAR
Operating Temperature Range:
For Tungsten Carbide: -100°F to +225°F (-74°C to +107°C)
For High Temperature ✱: -450°F to +800°F (-268°C to +426°C)
Typical K-Factor: 1/2” (051) 10,000
3/4” (075) 3,750
3/4” (075E) 2,608
1” (100) 896
1-1/2” (150) 340
2” (200) 181
3” (300) 50
Wetted Materials:
Housing: 316 Stainless Steel
Sleeve Bearings: Tungsten Carbide
Thrust Bearing: Tungsten Carbide
Shaft: Tungsten Carbide
Rotor: CD4MCu Stainless Steel
Rotor Supports: 316 Stainless Steel
Recommended Strainer Size:
1/2” 40 mesh
3/4” 40 mesh
1” 40 mesh
1-1/2” 18 mesh
2” 14 mesh
3” 14 mesh
Frequency Output: 1/2” (051) 125 - 1000 Hz
3/4” (075) 100 - 1000 Hz
3/4” (075E) 100 - 1000 Hz
1” (100) 100 - 1000 Hz
1-1/2” (150) 100 - 1000 Hz
2” (200) 100 - 1000 Hz
3” (300) 50 - 500 Hz
✱
Requires High Temp Pickup.
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4
06/08 ML-1800-6
Precision Meters - GBP, GIP & GNP
Model GNP
NPT Fitting
GNP shown here
with Local Display
A c cu r Ac y : ± 0 . 5%
Select Your Meter Size:
1/2 inch 1 inch 2 inch
3/4 inch 1-1/2 inch
Sensor Options:
■ Low Drag Pickup
(1/2 in. turbines)
■ Standard Pickup
(3/4 to 3 in. turbines)
Electronics Options:
■ GG510 (Display with
Pulse Output)
■ GX510 (Display with
4-20 mA Output)
■ GA510 (4-20 mA Output)
■ SC510 (Scaled Pulse Output)
SPECIFICaTIONS
Design Type: Turbine
Housing Material: 316 Stainless Steel
Meter Sizes Available:
For GNP: NPT (Male) 1/2” 3/4” 1” 1-1/2” 2”
For GBP: BSP (Male) 1/2” 3/4” 1” 1-1/2” 2”
For GIP: ISO Taper (Male) 1/2” 3/4” 1” 1-1/2” 2”
Flow Range: 1/2” (050)* 0.6 - 6.0 GPM (2.2 - 22 LPM)
1/2” (051) 0.8 - 6.0 GPM (3.0 - 22 LPM)
3/4” (075) 1.6 - 16 GPM (6.0 - 60 LPM)
3/4” (075E) 2.3 - 23 GPM (8.7 - 87 LPM)
1” (100) 6.7 - 67 GPM (25.2 - 252 LPM)
1-1/2” (150) 17.7 - 177 GPM (67.0 - 670 LPM)
2” (200) 33 - 330 GPM (125.0 - 1250 LPM)
Accuracy (Linearity): ± 0.5%
Repeatability: ± 0.1%
Pressure Rating: 1/2” to 2” = 5,000 PSI / 340 BAR
Operating Temperature Range: -100°F to +185°F (-74°C to +85°C)
Typical K-Factor: 1/2” (050)* 10,000
1/2” (051) 10,000
3/4” (075) 3,750
3/4” (075E) 2,608
1” (100) 896
1-1/2” (150) 340
2” (200) 181
Wetted Materials:
Housing: 316 Stainless Steel
Sleeve Bearings: PTFE
Thrust Bearing: 440C Stainless Steel
Shaft: 316 Stainless Steel
Rotor: CD4MCu Stainless Steel
Rotor Supports: 316 Stainless Steel
Recommended Strainer Size:
1/2” 40 mesh
3/4” 40 mesh
1” 40 mesh
1-1/2” 18 mesh
2” 14 mesh
Frequency Output: 1/2” (051)* 125 - 1000 Hz
3/4” (075) 100 - 1000 Hz
3/4” (075E) 100 - 1000 Hz
1” (100) 100 - 1000 Hz
1-1/2” (150) 100 - 1000 Hz
2” (200) 100 - 1000 Hz
✱
1/2 in. (050) requires RF Pickup.
section 1: g series precision products
ML-1800-6 06/08
buy smart.buy value.buy
5
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