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7750 Series - Stainless Steel
These 316L Stainless Steel meters feature flange connections, all welded construction (no elastomers),
and an end to end length of 250mm. A float and tapered tube design provides longer, more linear scales.
A 4-20mA transmitter option adds to its versatility.

Description
Overall Length
250 Millimeters
Metering Tube
316L Stainless Steel
Internal Components
316L Stainless Steel
Inlet/Outlet Fittings
150# or 300# Flange, Vertical
Elastomers
All Welded Construction, No O-rings or Gaskets
Options
Alarm
Single or Dual, Inductive Slot Sensor
4-20 ma Transmitter
Certified Calibrations
Conform to ISA RP 16.6
Scales
Can be produced in any volumetric unit

Liquid Compatible
Gas Compatible
Alarm Compatible
7720
Performance
Capacities
33 GPH to 16.5 GPM — Water
2.2 SCFM to 76 SCFM — Air
Scale
120 mm Direct reading, detachable
Accuracy
± 3% of Full Scale Flow
Turndown
10:1
Repeatability 1%
Max Temperature
400° F (204° C)
Max Pressure
Stainless Steel Flange Class
Temp F 150# 300#
200° 225 psi 600 psi
300° 200 psi 540 psi
400° 180 psi 515 psi
Ambient Temperature
33° F to 125° F (1° C to 52° C)

Specifications
Order
Number		 Full Scale Flow
GPM-Water		 Meter
Size		 Dimension (Inches) 150 #
Flange
F		 300 #
Flange
F
A B C D E
706 33.0 GPH 1/2" 5.82 4.90 2.91 9.84 3.83 3.50 3.75
708 1.1 GPM 1/2" 5.82 4.90 2.91 9.84 3.83 3.50 3.75
710 2.0 GPM 1/2" 5.82 4.90 2.91 9.84 3.83 3.50 3.75
712 4.0 GPM 1/2" 5.82 4.90 2.91 9.84 3.83 3.50 3.75
716 5.0 GPM 1" 5.82 4.90 3.25 9.84 3.95 4.25 4.90
718 10.0 GPM 1" 5.82 4.90 3.25 9.84 3.95 4.25 4.90
720 16.5 GPM 1" 5.82 4.90 3.25 9.84 3.95 4.25 4.90
Order
Number		 Full Scale Flow
SCFM - AIR		 Meter
Size		 Dimension (Inches) 150 #
Flange
F		 300 #
Flange
F
A B C D E
705 2.2 SCFM 1/2" 5.82 4.90 2.91 9.84 3.83 3.50 3.75
707 4 SCFM 1/2" 5.82 4.90 2.91 9.84 3.83 3.50 3.75
709 8 SCFM 1/2" 5.82 4.90 2.91 9.84 3.83 3.50 3.75
711 16.5 SCFM 1/2" 5.82 4.90 2.91 9.84 3.83 3.50 3.75
715 20 SCFM 1" 5.82 4.90 3.25 9.84 3.95 4.25 4.90
717 42 SCFM 1" 5.82 4.90 3.25 9.84 3.95 4.25 4.90

 

Alarm Options:
Inductive Slot Sensor
Like inductive ring sensors, slot sensors are 2-wire, DC, low-current devices and are designed to be used with a remote intrinsic safety barrier/switch isolator. Single or dual slot sensors are available for the 7700 Series.		 Sensor Specifications
Power Supply: 5-25 VDC
(from Switch Isolator)
Max Current, Target Present: 1 mA
Max Current, Target Absent: 15 mA
Temperature Limits: -14°F to +212°F
Output: NAMUR
Repeatability: 0.01 mm
Switching Frequency: 2 kHz
Sensor Approvals*:
UL Listed: General Purpose
FM Approved: Intrinsically Safe*
CSA Certified: Intrinsically Safe*
Cenelec: Intrinsically Safe*		 Power Supply:
12 to 33 Vdc
Maximum Current Consump.: 40 mA
Temperature Limits: -13° F to 158° F (-25 to 70° C)
Output: 4 to 20 mAdc
Accuracy: <0.5%
Linearity: +0.4%
Influence from bearing play: ±0.1%
Temperature influence (amb): 0.03% per °C
Power supply influence: ±0.1%
Load resistance influence: ±0.1% at R max.
*Specifications shown here are for the transmitter only and should not be confused with the actual performance capabilities of the flowmeter.

Ordering:
Use the following guide to determine the specific product number you require.
7
7
5
 
2
0
     
Meter Connection Type Float Material O-Ring Material Optional Alarm/Transmitter Order Number
Series 150# R.F. Flanged - 2 316L SS - 2 No O-ring - 0 None - 0 See Specifications
Table
300# R.F. Flanged - 3     With Transmitter - T
    One Alarm (Inductive Slot Sensor) - A
    Two Alarms (Inductive Slot Sensors) - D
  Example: 775 - 2 - 2 - 0 - 0 - 716
Download Product Specifications in PDF Format
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