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Corken FD891 Compressor

The Corken FD891 Compressor is a heavy-duty, oil-free reciprocating compressor designed for high-pressure applications and a wide range of industrial gases, including LPG, ammonia, and other hydrocarbons. Its robust design and efficient performance make it an ideal choice for demanding applications requiring reliable and durable operation.

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The Corken FD891 Compressor is a heavy-duty, oil-free reciprocating compressor designed for high-pressure applications and a wide range of industrial gases, including LPG, ammonia, and other hydrocarbons. Its robust design and efficient performance make it an ideal choice for demanding applications requiring reliable and durable operation.

Specifications

Model

D891/FD891

Bore of cylinder: inches (mm)

4.5 (114.3)

Stroke: inches (mm)

4.0 (101.6)

Piston displacement cfm (m3/hr)

minimum @ 400 RPM

axmimum @ 825 RPM

 

56.7 (96.3)

117 (198.8)

Maximum working pressure: psig (bar g)

450 (31.0)

Maximum brake horsepower: hp (kW)

45 (34)

Maximum rod load: lb (kg)

7,000 (3,175)

Maximum outlet temperature: °F (°C)

350 (177)

Minimum inlet temperature: °F (°C)

-25 (-32)

Bare unit weight: lb (kg)

900 (408.2)

Maximum flow-propane: gpm (m3/hr)

694 (157.6) b

Class 300 RF flange/DIN flange option

No

 

Standard 107 Items

  1. Steel Baseplate:
    • A robust foundation for mounting and system stability.
  2. V-Belt Drive:
    • Transfers power efficiently from the driver to the compressor.
  3. Adjustable Driver-Side Base:
    • Allows precise alignment and belt tensioning.
  4. Enclosed Steel Guard:
    • Provides safety by fully covering the V-belt drive system.
  5. Suction and Discharge Pressure Gauges:
    • Real-time pressure monitoring for system safety and performance.
  6. 40-Micron Strainer:
    • Filters debris to protect the compressor.
  7. Non-Lube 4-Way Valve:
    • Maintenance-free design for directional gas flow control.
  8. Interconnecting Piping:
    • Pre-assembled for seamless integration.

Liquid Trap Options for Standard 107

  • 107 Mounting:

    • Mechanical liquid trap with ball float for manual liquid removal.
  • 107A Mounting:

    • Automatic liquid trap with one NEMA 7 liquid level switch for controlled liquid removal.
  • 107B Mounting:

    • Automatic liquid trap with two NEMA 7 liquid level switches, providing redundancy for added safety.
  • 107F Mounting:

    • Configures 107A or 107B with Class 300 RF flanged components and connections for high-pressure systems.

Standard 109 Items

  1. Steel Baseplate
  2. V-Belt Drive
  3. Adjustable Driver-Side Base
  4. Enclosed Steel Guard
  5. Suction and Discharge Pressure Gauges
  6. 40-Micron Strainer
  7. Non-Lube 4-Way Valve
  8. Interconnecting Piping

(Identical to the Standard 107 package for base items.)

Liquid Trap Options for Standard 109

  • 109 Mounting:

    • Mechanical liquid trap with ball float.
  • 109A Mounting:

    • Automatic liquid trap with one NEMA 7 liquid level switch.
  • 109B Mounting:

    • Automatic liquid trap with two NEMA 7 liquid level switches.
  • 109F Mounting:

    • Configures 109A or 109B with Class 300 RF flanged components and connections for enhanced durability and compatibility in high-pressure environments.

Mounting Style

Description

Part No.

Model Reference

Ship Weight (Ib) Compressor w/ Mounting

103 Style

Mounting includes steel baseplate, adjustable driver slide base, V-belt drive and enclosed belt guard. Pressure gauges are mounted on the compressor.

103-22

FD891

400

107B Style

Mounting includes steel baseplate, ASME code liquid trap with two NEMA 7 liquid level switches for alarm and to stop compressor. Non-lube 4-way valve interconnecting piping, strainer and adjustable driver slide base, V-belt drive and enclosed belt guard. Pressure gauges are mounted on the compressor.

107B-17

FD891

950

109B Style

Mounting includes steel baseplate, ASME automatic liquid trap with two NEMA 7, liquid level switches for alarm and to stop compressor, interconnecting piping, adjustable driver slide base, V-belt drive and enclosed belt guard. Pressure gauges are mounted on the compressor.

109B-21

FD891

800

 

 

 

 

Service

 

 

 

Capacity 1

 

 

 

Displacement cfm

 

 

 

Compressor

 

 

Driver Sheave Size P.D." 2

Driver Horsepower

 

 

 

Piping Size 3

Liquid Transfer and Residual Vapor

Recovery

Liquid Transfer without Residual Vapor

Recovery

Model

RPM

1,750 RPM

1,450 RPM

100°F

80°F

100°F

80°F

Vapor

Liquid

 

Small bulk plants

23

4

91

400

A 3.0

B 3.6

5

3

3

3

3/4

1-1/4

29

5

91

505

B 3.8

B 4.6

5

5

5

5

3/4

1-1/4

34

6

91

590

B 4.6

B 5.6

5

5

5

5

1

1-1/4

40

7

91

695

B 5.4

B 6.6

5

5

5

5

1

1-1/2

39

7

291

345

A 3.0

A 3.6

3

3

3

3

1

1-1/2

 

 

Unloading single tank car or transport

45

8

91

800

B 6.2

B 7.4

7-1/2

7-1/2

7-1/2

7-1/2

1

1-1/2

44

8

291

390

A 3.4

B 4.0

5

3

3

3

1

1-1/2

50

9

291

435

A 3.8

B 4.6

5

5

3

3

1

1-1/2

56

10

291

490

B 4.4

B 5.2

5

5

5

5

1

2

61

11

291

535

B 4.8

B 5.8

5

5

5

5

1

2

66

12

291

580

B 5.2

B 6.2

7-1/2

5

5

5

1

2

71

13

291

625

B 5.6

B 6.6

7-1/2

5

7-1/2

5

1-1/4

2

79

14

291

695

B 6.2

B 7.4

7-1/2

7-1/2

7-1/2

7-1/2

1-1/4

2

84

15

291

735

B 6.6

B 8.0

10

7-1/2

10

7-1/2

1-1/4

2-1/2

84

15

491

345

A 3.0

A 3.6

7-1/2

7-1/2

5

5

1-1/4

2-1/2

89

16

291

780

B 7.0

B 8.6

10

10

10

10

1-1/4

2-1/2

89

16

491

370

A 3.2

A 3.8

7-1/2

7-1/2

7-1/2

5

1-1/4

2-1/2

 

 

 

 

Unloading two or more tank cars

at one time or large transport with excess flow valves of adequate capacity

95

17

491

390

A 3.4

B 4.0

7-1/2

7-1/2

7-1/2

7-1/2

1-1/4

3

101

18

491

415

A 3.6

B 4.4

10

7-1/2

7-1/2

7-1/2

1-1/4

3

106

19

491

435

A 3.8

B 4.6

10

7-1/2

7-1/2

7-1/2

1-1/4

3

108

20

491

445

B 4.0

B 4.8

10

7-1/2

7-1/2

7-1/2

1-1/4

3

114

21

491

470

B 4.2

B 5.0

10

7-1/2

7-1/2

7-1/2

1-1/4

3

119

22

491

490

B 4.4

B 5.2

10

10

7-1/2

7-1/2

1-1/4

3

125

23

491

515

B 4.6

B 5.6

10

10

10

7-1/2

1-1/4

3

130

24

491

535

B 4.8

B 5.8

15

10

10

10

1-1/4

3

136

25

491

560

B 5.0

B 6.0

15

10

10

10

1-1/4

3

141

26

491

580

B 5.2

B 6.2

15

10

10

10

1-1/4

3

147

27

491

605

B 5.4

B 6.4

15

10

15

10

1-1/4

3

152

28

491

625

B 5.6

B 6.6

15

15

15

15

1-1/2

3

158

29

491

650

B 5.8

B 7.0

15

15

15

15

1-1/2

3

163

30

491

670

B 6.0

 

15

15

15

15

1-1/2

3

163

30

691

400

B 4.4

B 5.2

15

15

10

10

1-1/2

3

168

31

491

695

B 6.2

B 7.4

15

15

15

15

1-1/2

3

171

31

691

420

B 4.6

B 5.6

15

15

10

10

1-1/2

3

179

32

491

740

B 6.6

B 8.0

15

15

15

15

1-1/2

3

178

32

691

440

B 4.8

B 5.8

15

15

10

10

1-1/2

3

186

34

691

455

B 5.0

B 6.0

15

15

15

10

1-1/2

3

193

35

691

475

B 5.2

B 6.2

15

15

15

10

1-1/2

3

200

36

691

495

B 5.4

B 6.4

15

15

15

15

1-1/2

3

 

 

Unloading large  tank cars, multiple vessels, barges or terminals

208

38

691

510

B 5.6

B 6.8

20

15

15

15

1-1/2

4

215

39

691

530

B 5.8

B 7.0

20

15

15

15

1-1/2

4

223

41

691

550

B 6.0

A 7.0

20

15

15

15

1-1/2

4

230

42

691

565

B 6.2

B 7.4

20

15

15

15

2

4

237

43

691

585

B 6.4

A 7.4

20

15

15

15

2

4

245

45

691

605

B 6.6

B 8.0

20

15

15

15

2

4

252

46

691

620

B 6.8

 

20

20

15

15

2

4

260

47

691

640

B 7.0

A 8.2

20

20

20

15

2

4

275

48

691

675

B 7.4

B 8.6

25

20

20

20

2

4

297

54

691

730

B 8.0

B 9.4

25

20

20

20

2

4

319

58

691

785

B 8.6

 

25

20

25

20

2

4

334

60

691

820

TB 9.0

A 10.6

30

25

25

20

2

4

452

82

D/FD891

580

5V 7.1

5V 8.5

30

30

30

30

3

6

623

113

D/FD891

800

5V 9.75

5V 11.8

 

40

40

30

3

6

 

 

 

 

Service

 

 

 

Capacity 1

 

 

 

Displacement cfm

 

 

 

Compressor

 

 

Driver Sheave Size P.D." 2

Driver Horsepower

 

 

 

Piping Size 3

Liquid Transfer and Residual Vapor

Recovery

Liquid Transfer without Residual Vapor

Recovery

Model

RPM

1,750 RPM

1,450 RPM

100°F

80°F

100°F

80°F

Vapor

Liquid

 

Small bulk plants

23

4

91

400

A 3.0

B 3.6

5

3

3

3

3/4

1-1/4

29

5

91

505

B 3.8

B 4.6

5

5

5

3

3/4

1-1/4

34

6

91

590

B 4.6

B 5.6

5

5

5

5

1

1-1/4

40

7

91

695

B 5.4

B 6.6

5

5

5

5

1

1-1/2

43

7

291

345

A 3.0

A 3.6

5

3

3

3

1

1-1/2

 

 

Unloading single tank car or transport

46

8

91

800

B 6.2

B 7.4

7-1/2

5

5

5

1

1-1/2

45

8

291

390

A 3.4

B 4.0

5

3

3

3

1

1-1/2

50

9

291

435

A 3.8

B 4.6

5

5

3

3

1

1-1/2

56

10

291

490

B 4.4

B 5.2

5

5

5

3

1

2

62

11

291

535

B 4.8

B 5.8

7-1/2

5

5

5

1

2

67

12

291

580

B 5.2

B 6.2

7-1/2

5

5

5

1

2

72

13

291

625

B 5.6

B 6.6

7-1/2

5

5

5

1-1/4

2

80

14

291

695

B 6.2

B 7.4

7-1/2

7-1/2

7-1/2

5

1-1/4

2

85

15

291

735

B 6.6

B 8.0

10

7-1/2

7-1/2

7-1/2

1-1/4

2-1/2

85

15

491

345

A 3.0

A 3.6

7-1/2

7-1/2

5

5

1-1/4

2-1/2

90

16

291

780

B 7.0

B 8.6

10

7-1/2

7-1/2

7-1/2

1-1/4

2-1/2

90

16

491

370

A 3.2

A 3.8

10

7-1/2

5

5

1-1/4

2-1/2

 

 

 

 

Unloading two or more tank cars

at one time or large transport with excess flow valves of adequate capacity

96

17

491

390

A 3.4

B 4.0

10

7-1/2

5

5

1-1/4

3

102

18

491

415

A 3.6

B 4.4

10

7-1/2

7-1/2

7-1/2

1-1/4

3

107

19

491

435

A 3.8

B 4.6

10

7-1/2

7-1/2

7-1/2

1-1/4

3

110

20

491

445

B 4.0

B 4.8

10

7-1/2

7-1/2

7-1/2

1-1/4

3

115

21

491

470

B 4.2

B 5.0

10

7-1/2

7-1/2

7-1/2

1-1/4

3

120

22

491

490

B 4.4

B 5.2

15

10

7-1/2

7-1/2

1-1/4

3

126

23

491

515

B 4.6

B 5.6

15

10

7-1/2

7-1/2

1-1/4

3

131

24

491

535

B 4.8

B 5.8

15

10

10

7-1/2

1-1/4

3

138

25

491

560

B 5.0

B 6.0

15

10

10

7-1/2

1-1/4

3

142

26

491

580

B 5.2

B 6.2

15

10

10

7-1/2

1-1/4

3

148

27

491

605

B 5.4

B 6.4

15

10

10

10

1-1/4

3

153

28

491

625

B 5.6

B 6.6

15

10

10

10

1-1/2

3

160

29

491

650

B 5.8

B 7.0

15

15

10

10

1-1/2

3

165

30

491

670

B 6.0

 

15

15

15

10

1-1/2

3

165

30

691

400

B 4.4

B 5.2

15

15

10

10

1-1/2

3

170

31

491

695

B 6.2

B 7.4

15

15

15

10

1-1/2

3

173

31

691

420

B 4.6

B 5.6

15

15

10

10

1-1/2

3

181

32

491

740

B 6.6

B 8.0

15

15

15

15

1-1/2

3

180

32

691

440

B 4.8

B 5.8

15

15

10

10

1-1/2

3

188

34

691

455

B 5.0

B 6.0

20

15

10

10

1-1/2

3

195

35

691

475

B 5.2

B 6.2

20

15

10

10

1-1/2

3

203

36

691

495

B 5.4

B 6.4

20

15

15

10

1-1/2

3

 

 

Unloading large  tank cars, multiple vessels, barges or terminals

211

38

691

510

B 5.6

B 6.8

20

15

15

10

1-1/2

4

218

39

691

530

B 5.8

B 7.0

20

15

15

15

1-1/2

4

226

41

691

550

B 6.0

A 7.0

20

15

15

15

1-1/2

4

233

42

691

565

B 6.2

B 7.4

20

15

15

15

2

4

240

43

691

585

B 6.4

A 7.4

20

20

15

15

2

4

248

45

691

605

B 6.6

B 8.0

20

20

15

15

2

4

255

45

691

620

B 6.8

 

25

20

15

15

2

4

263

47

691

640

B 7.0

A 8.2

25

20

15

15

2

4

278

48

691

675

B 7.4

B 8.6

25

20

15

15

2

4

301

54

691

730

B 8.0

B 9.4

25

20

20

15

2

4

323

58

691

785

B 8.6

 

30

25

20

20

2

4

338

60

691

820

TB 9.0

A 10.6

30

25

20

20

2

4

459

82

D/FD891

580

5V 7.1

5V 8.5

40

30

30

30

3

6

633

113

D/FD891

800

5V 9.75

5V 11.8

 

40

40

30

3

6

 

Compressor repair Kits

part number

5578-x2A

model number

891m3

Suction valve assembly

3732-X

discharge valve assembly

3733-X

Valve cage

Connecting rod bearing (pair)

3542 (2)2

Packing set

1725-2X,

3810-X1

Piston rings

1739 (8)2

ring expanders

1740 (8)2

Gasket set1

3970-X1A

O-ring1

O-ring1

O-ring1

Oil seal

3526

Oil seal

Adapter plate gasket


piston Assembly

ref. no.

part no.

 

description

 

Qty

d891

3925-x1 (4-1/2")

1.

7002-025-TP100A

Screw, orlo gr. 8 (torque to 8 ft•lbs)

4

2.

3927

Piston cap

1

3.

2902

Shim washer, thick

As req.

2902-1

Shim washer, thin

 

4.

1739

Piston rings

 

4

1739-2

Alloy 50 rings—opt.

1739-3

Peek rings—opt.

5.

1740

Expander ring

4

6.

3604

Lock nut (torque to 150 ft•lbs)

1

7.

3730

Thrust washer

2

8.

3925

(4-1/2" diameter)

Piston

1

9.

3603

Shim washer, thick

As req.

3603-1

Shim washer, thin

10.

3812 (not shown)

Loctite tube—620

1


four-Way valve repair Kits

description

trim

part number

Connection sizes

 

Four-Way Valve repair Kits

 

PTFE and buna-N trim

3122-X

1"

3123-X

1¼"

3130-X

2"


Compressor head and valve

ref no.

part no.

description

1.

3923

Cylinder cap

2.

3924

Cylinder head (4-1/2")

3.

2-246 b

O-ring

4.

7001-050 NC150A

bolt, 1/2 - 13 x 1-1/2" hex head

Gr 5 (Torque to 65 ft•lbs)

5.

2714-1

Valve cap

6.

2-031 b

O-ring

7.

2715

Holddown screw

8.

1764

Valve cover plate

9.

2-235 b

O-ring

10.

3570-1

Valve cage

11.

3732-X

Suction valve assembly (4-1/2")

12.

3733-X

discharge valve assembly (4-1/2")

13.

2114a

Valve gasket

14.

7001-043 NC150A

bolt, 7/16 - 14 x 1-1/2" hex head

(Torque to 37 ft•lbs)

15.

3827

Valve seat (4-1/2")

16.

3828

Stud

17.

3830c

Valve plate, outer

18.

3831c

Valve plate, inner

19.

3829c

Spring

20.

3826

Valve bumper (4-1/2")

21.

3805-X1c

Valve repair kit (1st stage)


model 891 gasket set (3970-x1A)

part number

description

Quantity

1281

Filter screen screw gasket

1

1761

Crankcase gasket

1

2-036A

O-ring, buna-N

8

2-231A

O-ring, buna-N

4

2-238A

O-ring, buna-N

2

2114

Valve gasket, aluminum

8

2131

bearing carrier gasket

1

4127

Lubricator gasket

1

1760

Inspection plate gasket

1

2-031A

O-ring, buna-N

8

2-228A

O-ring, buna-N

1

2-235A

O-ring, buna-N

8

2-246A

O-ring, buna-N

4

2123

Crankcase inspection plate gas

1

3874

Access cover gasket

2

3906

Gasket spiral wound

2


Crosshead guide

ref no.

part no.

description

Qty

1.

3922

Cylinder

1

2.

1054

drain valve (lubricated models)

1

3.

1071

Nipple, 1/4" x close

1

4.

2-246_a

O-ring for cylinder

2

5.

3442

Pipe plug, 1/4" NPT

3

6.

7001-050NC175A

bolt, 1/2" 13 x 1-3/4" hex head gr 5

24

7.

3793-2S

Flange (inlet/outlet)

2

8.

2-231_a

O-ring for flange

2

9.

3253

roll pin

1

10.

2405-1

Crosshead guide

1

11.

1064

Elbow, 1/4" NPT

1

12.

3974

Tag

1

13.

1761

Gasket, crankcase

1

14.

1760

Gasket, inspection cover

1

15.

1721

Inspection cover

1

16.

7012-010NC025b

bolt, 10 - 24 x 1/4" Phillip hd.

10


packing Assembly

ref no.

part no.

description

1.

3926

Packing barrel (4-1/2")

2.

2-238_a,c

O-ring

3.

3906

Crush gasket

4.

3817

Packing cup (Not included in 3810-X1 packing set)

5.

2-036_a,d

Cup O-ring

6.

3810

Segmented packing (radial—tangent) pair

6.1.

3814

Segmented packing (tangent—tangent) pair

7.

3811

back-up ring

8.

7002-025OC100A

Screw, 1/4-20 x 1" socket head

9.

3885

Cartridge

10.

2-231_a

O-ring

11.

1732b

Oil deflector ring

12.

5000-175

retainer ring

13.

1728

Washer

14.

1731

Spring

15.

1724

Male packing ring

16.

1725

V-ring packing

17.

1723

Female packing ring

18.

3810-X1e

Segmented packing set

19.

1725-2X

V-ring packing set


flywheel Assembly

Assembly number

Assembly name

 

3852-X

Flywheel assembly (flywheel, hub, and three bolts)

3852

Flywheel: 21.2"

O.d., 5 groove

 

H J-2.125

Hub with three bolts and lockwashers


Connecting rod Assembly

ref no.

part no.

description

1.

3544-X3

Crosshead assembly

2.

3590

retainer ring

3.

3540

Wrist pin

4.

3541-Xa,b

Wrist pin bushing

5.

1726b

bolt

6.

3785-Xa

Connecting rod assembly

7.

3785a

Connecting rod

8.

3542a

Connecting rod bearing

9.

1727a,c

Nut


Crankcase Assembly

ref no.

part no.

description

1.

1737

bearing cone

2.

3638

Spacer

3.

3635

drive sprocket

4.

1284

Crankshaft orifice

5.

2135

drive pin

6.

2933

Link pin

7.

3786

Crankshaft

8.

3503

Flywheel key

9.

3580

bearing cone

10.

3786-X1

Crankshaft assembly

11.

7001-031NC075A

bolt, 5/16 - 18 x 3/4" hex head

12.

2122

Inspection cover

13.

2123

Gasket, inspection cover

14.

2-210_d

O-ring

15.

3225-X1

Oil bayonet assembly (w/O-ring)

16.

2126

breather ball

17.

3579

bearing cup

 

18.

3589

bearing adjustment shim (.005")

2589-1

bearing adjustment shim (.007")

2589-2

bearing adjustment shim (.020")

19.

3539

bearing cover

20.

3526

Oil seal

21.

1280

Filter screw

22.

1281

Gasket, filter

23.

2-116_d

O-ring

24.

1276

Washer

25.

1275

Oil filter screen

26.

3443

Pipe plug, 1/2" NPT steel

27.

3221

Crankcase

28.

7001-037NC100A

bolt, 3/8 - 16 x 1" hex head Gr. 5

29.

3875

Access cover

30.

7003-025NC037E

Screw, 1/4 - 20 x 3/8"

31.

3874

Gasket, access cover

32.

1515-X

Closure cap assembly

33.

7001-025NC050A

bolt, 1/4 - 20 x 1/2" hex head

34.

1515

Closure cap

35.

1516

Closure body

36.

2-218_d

O-ring

37.

1290

relief valve adjusting screw

38.

2-011_d

O-ring

39.

1291

Adjusting screw locknut

40.

1292

relief valve spring

41.

1293

relief valve ball

42.

4222-Xc

Oil filter adapter assembly (w/pin)

43.

2-228_d

O-ring

44.

2849-1Xc

Oil pump assembly

45.

2851

Spring guide

46.

2852

Oil pump spring

47.

3219

Pump shaft adapter

ref no.

part no.

description

48.

2-112_d

O-ring

49.

2805-Xb

Pump shaft bushing

50.

1629

Pipe plug, 1/16 NPT fl. seal

51.

1736

bearing cup

52.

1302

Oil pressure gauge

53.

1044

bushing, 1/8 x 1/4 NPT

54.

3220-2

bearing carrier

55.

3289

Pipe plug, 1/4 NPT fl. seal

56.

2131

bearing carrier gasket

57.

2961-X

Air release valve assembly

58.

2590

Pipe plug, 1/8 NPT fl. Seal

59.

4225

Filter

60.

2798

Pump cover pin (included w/4222-X)

61.

3220-2X

bearing carrier assembly


Additional Assembly

Assembly number

Assembly name

3221-X1a

Crankcase assembly (M3, 4, 8, 9) without lubrication

 

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