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Head Office:
6120 davies ROad edmOntOn, AB T6E 4M9 PH: (780) 485-2010 Fax: (780) 485-1938
Drayton Valley - Calgary - lloyDminster
Head Office:
6120 davies ROad edmOntOn, AB T6E 4M9 PH: (780) 485-2010 Fax: (780) 485-1938
Drayton Valley - Calgary - lloyDminster
DFS (FY-FS) HIGH PRESSURE
DUPLEX STEAM PUMP
Air • Steam • Gas Driven
Bulletin 07-03-207
V
ersion 2
VALVE POT TYPE DUPLEX STEAM PUMPS
With Piston Type Steam Valves – One-Piece Alloy Cast Iron Fluid End
DFS (FY-FS) SIZES AND RATINGS
SIZE *DISPLACEMENT
30 RPM 60 RPM
Diameter
of Steam
Cylinders
Diameter
of Fluid
Cylinders
Length
of
Strok
e
Steam End
Suitable
for Max
Pressure
Max Steam
Pressure for
Max Fluid
Pressure
Fluid End
Suitable for
Maximum
Pressure
Max Fluid
Pressure with
Max Steam
Pressure
in mm in mm in mm
lbs/
in2
kg/
cm2
lbs/
in2
kg/
cm2
lbs/
in2
kg/
cm2
lbs/
in2
kg/
cm2
Gallons
per
Rev.
Liters
per
Rev.
Gallons
per
Rev.
Liters
per
Rev.
Gallons
per
Rev.
Liters
per
Rev.
7.5 191 400 28.1 500 35.2 7.497 28.4 225 852 450 1703
7.25 184 400 28.1 530 37.3 6.987 26.5 210 795 419 1586
7 178 400 28.1 Test 570 40.1 6.511 24.6 195 738 391 1480
10 254 6.5 165 10 254 400 28.1 390 27.4 Pressure 91.4 650 45.7 5.593 21.2 168 636 336 1272
6 152 335 23.6 1300 psi 650 45.7 4.743 18.0 142 538 235 1079
5.5 140 280 19.7 650 45.7 3.961 15.0 119 450 238 902
5 127 235 16.6 650 45.7 3.247 12.3 97.4 369 195 738
Cylinder liners and pistons interchangeable in sizes listed in each group. Specifications subject to change without notice.
* Theoretical displacement with rods deducted (no slippage considered).
Stalling pressures are approximately 50% in excess of maximum fluid pressures.
SPECIFICATIONS:
No. of Pistons: 2
Stroke Length: 10”
Pump Weight: 4,350 lbs.
(1,973 kg)
Fluid Cylinder
Connections
Suction: 6”
Discharge: 4”
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(9$2!5,)#05-0).'s352&!#%05-0).'s35#+%22/$05-03s35#+%22/$3s05-0).'5.)43
$)%3%,.!452!,'!3%.').%3!.$'%.%2!4/23
Head Office:
6120 davies ROad edmOntOn, AB T6E 4M9 PH: (780) 485-2010 Fax: (780) 485-1938
Drayton Valley - Calgary - lloyDminster
For additional information contact your local representative or
Gardner Denver Pump Division,
1800 Gardner Expressway, Quincy, Illinois 62301
Customer Service Department
Telephone: (800) 682-9868 FAX: (217) 224-7814
Sales and Service in all major cities. 4/02
DFS (FY-FS) High Pressure
Duplex Steam Pump
Air • Steam • Gas Driven
STANDARD EQUIPMENT
Rods and pistons.
Liners and valves.
Wood skids.
All necessary drain cocks and
plugs.
OPTIONAL EQUIPMENT
Lubricator
Fluid liner pullers
Valve seat pullers
Surge chamber
Steel skid
Stainless steel valves
MATERIAL SPECIFICATIONS
STEAM END
COMPONENT STANDARD FITTED
MUD, GROUT &
CEMENT FITTED
OIL
SERVICE FITTED
BOILER FEED or
WATER SERVICE COMPONENT MATERIAL
Cylinder Cast Iron Cast Iron Cast Iron Cast Iron Cylinder Cast Iron
Liners Hardened Steel Hardened Steel Hardened Steel Bronze Piston Cast Iron
Suction
Manifold Cast Iron Cast Iron Cast Iron Cast Iron Packing
Braided
Polymer
Discharge
Manifold Cast Iron Cast Iron Cast Iron Cast Iron CONNECTIONS
Packing Braided Polymer Molded Convex Braided Polymer Braided Polymer Inlet 2”
Piston Iron Follower Type Steel Insert Type Iron Solid Type Bronze Follower Type Exhaust 2 ½”
Piston Rod Hardened Steel Hardened Steel Hardened Steel Bronze
Stuffing Box Cast Iron Cast Iron Cast Iron Cast Iron
Valve Steel Center Guided
Steel (Gravel)
Wing Guided Steel Center Guided Bronze Wing Guided
Valve Seats Steel Steel Steel Bronze
*Materials listed are furnished as standard equipment. Alternate materials available upon request.
MODEL DESIGNATIONS
MODEL FY-FS
Mud Service Fitted DFSA
Grout & Cement Service DFSD
Oil Service DFSG
General Service DFSR
Bronze Fitted (Water Svc) DFSK
Stroke 10”
Liner Size
Maximum 7.5”
Minimum 5"
Fluid End Type Cast Iron Two Piece
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