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Model Flow Range Pressure Temperature Speed Inlet/Outlet
Number (gpm) Range (psi) Range (°F) (rpm) Ports
DHT302-S-6 4 - 80 6000 32 - 250 300 - 6000 1-5/16"-12UN #16 O-ring
DHT402-S-6 4 - 100 6000 32 - 250 300 - 6000 1-5/16"-12UN #16 O-ring
DHT602-F-3 6 - 160 3000* 32 - 250 300 - 6000 1-1/2” C61 4-Bolt Flange
DHT602-S-7 6 - 160 7000 32 - 250 300 - 6000 1 7/8”-12UN #24 O-ring
DHT802-F-3 7 - 210 3000* 32 - 250 300 - 6000 1-1/2” C61 4-Bolt Flange
DHT802-S-7 7 - 210 7000 32 - 250 300 - 6000 1 7/8"-12UN #24 O-ring
Model Flow Range Pressure Temperature Speed Inlet/Outlet
N
umber (lpm) Range (bar) Range (°C) (rpm) Ports
DHT302-B-6 8 - 300 0 - 420 10 - 120 300 - 6000 1” BSPF
D
HT402-B-6 10 - 400 0 - 420 10 - 120 300 - 6000 1” BSPF
DHT602-F-3 20 - 600 0 - 210 10 - 120 300 - 6000 Code 61 - 1 1/2" 4-bolt Flange
D
HT602-S-7 20 - 600 0 - 480 10 - 120 300 - 6000 1 7/8" - 12 UN
DHT802-F-3 20 - 800 0 - 210 10 - 120 300 - 6000 Code 61 - 1 1/2" 4-bolt Flange
DHT802-S-7 20 - 800 0 - 480 10 - 120 300 - 6000 1 7/8" - 12 UN
Specification
EU Specification
US Specification
Connections
Flow block connection by flexible hoses 1 - 2 metres (3 - 6ft) long.
Adaptors
Adaptor Fitting kits and flanges are available to suit the range of flow blocks. Consult the sales office.
Flow
Measured by the electronic count of an axial turbine. The large digital display reads in lpm, UK gpm
or US gpm, selected by push button and indicated by a cursor arrow on the display.
Accuracy: ± 1% of indicated reading (over 15 - 100% of range).
Pressure
Glycerine filled dual scale pressure gauge bar / psi connected by capillary tube to a shuttle valve
built into the flow block thereby always indicating the high pressure side of the valve regardless of
flow direction.
Accuracy: ±1.6% of full scale.
Temperature
Sensed by a thermistor pick-up in the oil flow for fast response.Temperature is displayed in °C or °F
for either the internal or external flow block.
Accuracy: ± 1°C, 2°F.
Speed
Rotational speed of motor shafts etc., can be measured by optional infra-red phototachometer using
one or more reflective marks. Range 300 - 6000 rpm.
Accuracy: ± 1/4% of full scale with one count per revolution.
Seals
Viton seals compatible with oil, water/oil emulsion are fitted as standard. EP seals for phosphate-
ester are available to special order.
Dimensions (Millimetres)
DHT302/402: 240 Wide, 200 Deep, 200 High
Weight: Unpacked 6.5 kg, Shipped 7 kg (Approx.)
DHT602/802: 245 Wide, 225 Deep, 225 High
Weight: Unpacked 10 kg, Shipped 11 kg (Approx.)
Dimensions (Inch)
DHT302/402: 9.45" W, 7.87" D, 7.87" H
Weight: Unpacked 14.33 lb
Shipped approximately 15.4 lb
DHT602/802: 9.65" W, 8.86" D, 8.86" H
Weight: Unpacked 22 lb
Shipped approximately 24.2 lb
* per J508 SAE C61 standard
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