Process Rotative Speeds

 
Process rotative speeds are limited by frame to meet 875 fpm (4.45 m/s) piston speed for lubricated services and 750 fpm (3.81 m/s) piston speed for non-lubricated services.
 

 

Process Frames

Piston Speed, fpm

60 Hz Synchronous Motor Speed, rpm

Frame

Stroke

1200

900

720

600

JGA

3.00

600*

450

360

300

JGJ

3.50

700*

525

420

350

JGT

4.50

900#

675

540

450

JGD/JGK

5.50

1100#

825*

660

550

KBB

7.25

 

1088#

870*

725

 

 

Process Frames

Piston Speed, fpm

50 Hz Synchronous Motor Speed, rpm

Frame

Stroke

1500

1000

750

600

500

JGA

3.00

750*

500

375

300

250

JGJ

3.50

875*

583

438

350

292

JGT

4.50

1125#

750

563

450

375

JGD/JGK

5.50

 

917#

688

550

458

KBB

7.25

 

1208#

906#

725

604

 
 
 

 

Process Frames

Piston Speed, m/s

60 Hz Synchronous Motor Speed, rpm

Frame

Stroke

1200

900

720

600

JGA

76.20

3.05*

2.29

1.83

1.52

JGJ

88.90

3.56*

2.67

2.13

1.78

JGT

114.30

4.57#

3.43

2.74

2.29

JGD/JGK

139.70

5.59#

4.19*

3.35

2.79

KBB

184.15

 

5.52#

4.42*

3.68

 
 

 

Process Frames

Piston Speed, m/s

50 Hz Synchronous Motor Speed, rpm

Frame

Stroke

1500

1000

750

600

500

JGA

76.20

3.81*

2.54

1.91

1.52

1.27

JGJ

88.90

4.45*

2.96

2.22

1.78

1.48

JGT

114.30

5.72#

3.81

2.86

2.29

1.91

JGD/JGK

139.70

 

4.66#

3.49

2.79

2.33

KBB

184.15

 

6.14#

4.60#

3.68

3.07

 

*  Out of limit for non-lubricated applications

#  Out of limit for lubricated and non-lubricated applications

 
 

Ariel Corporation Process Application Manual  
2 November 2006