Constant Springs Homepage > Fig. PTP 100-A - Constant Spring Hangers

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constant spring

*Drawing shown for down travel

Figure PTP 100-A is a vertical constant suspended from a beam. It can be furnished either with single rod suspension or double rod suspension as shown above. The single rod suspension must be mounted flush to the bottom of the beam where the suspension rod is 1/4 inch thicker than J-Rod. Note that the rod take out (RTO) for the single rod suspension must be adjusted by subtracting 1/4 inch from the values given in the tables below. When ordering specify the type of suspension required. For load and travel not in the tables, please call for dimensions.

 

HOW TO ORDER: Specify size, figure number, description, type, load, actual travel and direction and total travel. For load and travel not in the tables, please call for dimensions. Ordering Checklist.

 

Important Notes:

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE NOTED

  • RTO- Rod take out for down travel
  • D- J Rod position for down travel
  • E- J Rod position for up travel
  • F- Maximum length for the load range
  • WT- Maximum weight for the load range
J-Rod Selection

LOAD (lbs)

0

765

766

1491

1492

2402

2403

3868

3869

5663

5664

9121

9122

13354

13355

17775

17776

23659

23660

28627

28628

38103

38104

46104

46105

60000

J-ROD

1/2

5/8

3/4

1

1 1/4

1 1/2

1 3/4

2

2 1/4

2 1/2

2 3/4

3

3 1/4

 

Subtract 1/4 inch of the rod take out (RTO) for single rod suspension only from the tables below

Total Travel 1 1/2 to 4 Inches

LOAD RANGE (lbs)

J-ROD

RTO*

A

B

C

D

E

F

G

I

L

M

WT (lbs)

44 -243

1/2

13 5/16

16 3/8

9 11/16

6 5/8

3 3/4

2

12

1 7/8

12 5/8

7 5/8

8

65

244 - 1018

1/2

13 5/16

17 3/8

10 1/8

8 5/8

3 3/4

2

15

2 3/8

12 5/8

11 5/8

8 3/8

105

5/8

13 3/16

1019 - 3516

5/8

13 1/4

17 3/8

11 1/8

8 5/8

3 3/4

2

22

2 3/8

12 5/8

11 5/8

9 1/4

225

3/4

13 1/8

1

14 7/8

3517 - 7538

1

15 5/16

20 3/8

12 1/2

8 5/8

4 5/16

2 9/16

33

3 1/2

13 3/8

11 5/8

10 1/8

395

1 1/4

16 1/16

1 1/2

16 1/16

7539 - 16159

11/2

16 15/16

23 9/16

15 3/8

12 3/4

5 9/16

3 7/8

44

4 3/8

14 13/16

18 3/8

12 5/8

1045

1 3/4

18 3/16

2

21 15/16

16160 - 31490

2

24 1/8

24 1/4

18 15/16

12 3/4

6 3/4

5

58

6 1/2

11 1/4

18 3/8

16 1/16

1700

2 1/4

25 7/8

2 1/2

25 5/8

2 3/4

27 3/8

*Rod Take Out (RTO) is for down travel [ Add 4 inches for up travel ]
 
Total Travel 4 1/2 to 6 Inches

LOAD RANGE (lbs)

J-ROD

RTO*

A

B

C

D

E

F

G

I

L

M

WT (lbs)

34 -183

1/2

13 5/16

18 11/16

12

6 5/8

4 1/2

1 7/8

12

2

14 11/16

7 5/8

10 1/16

75

184 -765

1/2

13 5/16

19 11/16

12 1/2

8 5/8

4 1/2

1 7/8

15

2 3/4

14 3/16

11 5/8

10 1/2

115

766 - 2402

5/8

13 1/4

19 11/16

13 5/8

8 5/8

4 1/2

1 7/8

22

2

15 11/16

11 5/8

11 1/2

230

3/4

13 1/8

2403 - 5663

1

15 5/16

22 13/16

15

8 5/8

5 1/4

2 5/8

33

3 1/4

16 5/16

11 5/8

12 7/16

400

1 1/4

16 1/16

5664 - 12140

1 1/2

16 1/2

25 1/4

17 5/16

12 3/4

5 3/4

3 1/8

44

3 3/4

17 3/4

18 3/8

14 7/16

1035

1 3/4

17 3/4

12141 - 23659

1 3/4

19 15/16

26 5/8

20 7/8

12 3/4

7 1/4

4 5/8

58

6 5/8

13 3/8

18 3/8

17 7/8

1640

2

23 11/16

2 1/4

25 7/16

*Rod Take Out (RTO) is for down travel [ Add 6 inches for up travel ]
 
Total Travel 6 1/2 to 8 Inches

LOAD RANGE (lbs)

J-ROD

RTO*

A

B

C

D

E

F

G

I

L

M

WT (lbs)

25 - 151

1/2

17 5/16

21 1/4

14 1/2

6 5/8

5 9/16

2

12

2 1/4

16 3/4

7 5/8

12 5/16

90

152 - 632

1/2

17 5/16

22 1/4

15

8 5/8

5 9/16

2

15

2 1/4

17 3/4

11 5/8

12 3/4

130

633 - 1985

1/2

17 3/8

22 1/4

16

8 5/8

5 9/16

2

22

2 1/4

17 3/4

11 5/8

13 5/8

255

5/8

17 1/4

3/4

17 1/8

1986 - 4680

3/4

17 9/16

25 1/8

16 7/8

8 5/8

6 1/16

2 1/2

33

3

19 1/8

11 5/8

14 1/8

420

1

19 5/16

1 1/4

20 1/16

4681 - 10033

1 1/4

20 1/2

27 13/16

19 15/16

12 3/4

6 13/16

3 1/4

44

3 1/2

20 13/16

18 3/8

16 13/16

1090

1 1/2

20 1/2

1 3/4

21 3/4

10034 - 19552

1 3/4

23 1/2

30 3/16

23 7/16

12 3/4

9 5/16

5 3/4

58

4 3/4

20 11/16

18 3/8

20 1/8

1700

2

27 1/4

2 1/4

29

*Rod Take Out (RTO) is for down travel [ Add 8 inches for up travel ]
 
Total Travel 8 1/2 to 10 Inches

LOAD RANGE (lbs)

J-ROD

RTO*

A

B

C

D

E

F

G

I

L

M

WT (lbs)

21 - 125

1/2

19 5/16

23 3/4

16 5/8

6 5/8

6 5/8

2 1/8

12

2 3/4

18 1/4

7 5/8

14 1/4

100

126 - 522

1/2

19 5/16

24 13/16

16 7/8

8 5/8

6 5/8

2 1/8

15

2 3/4

19 5/16

11 5/8

14 3/8

145

523 - 1640

1/2

19 3/8

24 3/4

18

8 5/8

6 5/8

2 1/8

22

2 3/4

19 1/4

11 5/8

15 3/8

280

5/8

19 1/4

3/4

19 1/8

1641 - 3868

3/4

19 1/8

27 1/4

18 3/4

8 5/8

6 7/8

2 3/8

33

3 1/2

20 1/4

11 5/8

15 3/4

430

1

20 7/8

3869 - 8292

11/4

22 1/16

29 7/8

21 3/4

12 3/4

7 3/8

2 7/8

44

3 1/2

22 7/8

18 3/8

18 3/8

1115

1 1/2

22 1/16

8293 - 16159

1 1/2

22 15/16

31 1/16

23 15/16

12 3/4

8 5/8

4 1/8

58

5 1/4

20 9/16

18 3/8

20 1/2

1685

1 3/4

24 3/16

2

27 15/16

*Rod Take Out (RTO) is for down travel [ Add 10 inches for up travel ]
 
Total Travel 10 1/2 to 12 Inches

LOAD RANGE (lbs)

J-ROD

RTO*

A

B

C

D

E

F

G

I

L

M

WT (lbs)

17 - 103

1/2

21 5/16

26 3/8

19

6 5/8

7 5/8

2 1/4

12

3 1/4

19 7/8

7 5/8

16 3/8

120

104 - 432

1/2

21 1/4

27 3/8

19 1/2

8 5/8

7 5/8

2 1/4

15

3 1/4

20 7/8

11 5/8

16 3/4

160

433 - 1491

1/2

21 5/16

27 3/8

20 1/8

8 5/8

7 5/8

2 1/4

22

3 1/8

21 1/8

11 5/8

17 5/16

300

5/8

21 3/16

1492 - 3197

3/4

21 1/8

29 3/4

21

8 5/8

7 5/8

2 1/4

33

3 3/8

23

11 5/8

17 13/16

475

1

22 7/8

3198 - 6853

1

23 5/16

32 1/2

23 7/8

12 3/4

8 3/8

3

44

3 5/8

25 1/4

18 3/8

20 5/16

1170

1 1/4

24 1/16

1 1/2

24 1/16

6854 - 13354

1 1/2

24 15/16

33 5/8

26 1/8

12 3/4

9 5/8

4 1/4

58

3 1/4

29 1/8

18 3/8

22 1/2

1710

1 3/4

26 3/16

*Rod Take Out (RTO) is for down travel [ Add 12 inches for up travel ]
 
Total Travel 12 1/2 to 14 Inches

LOAD RANGE (lbs)

J-ROD

RTO*

A

B

C

D

E

F

G

I

L

M

WT (lbs)

17 - 94

1/2

23 5/16

28 5/8

20 15/16

6 5/8

8 1/2

2 1/8

12

3 3/4

21 1/8

7 5/8

18 1/8

135

95 - 392

1/2

23 5/16

29 11/16

21 1/2

8 5/8

8 1/2

2 1/8

15

3 3/4

22 3/16

11 5/8

18 5/8

180

393 - 1232

1/2

23 5/16

29 11/16

22 11/16

8 5/8

8 1/2

2 1/8

22

3 3/4

22 3/16

11 5/8

19 5/8

330

5/8

23 3/16

1233 - 2906

5/8

23 1/4

32 5/16

23

8 5/8

8 3/4

2 3/8

33

3 3/4

24 13/16

11 5/8

19 9/16

510

3/4

23 1/8

1

24 7/8

2907 - 6230

1

25 5/16

34 3/4

26 1/16

12 3/4

9 1/4

2 7/8

44

4 1/4

26 1/4

18 3/8

22 5/16

1225

1 1/4

26 1/16

1 1/2

26 1/16

6231 - 12140

1 1/2

26 1/2

35 1/2

27 13/16

12 3/4

10

3 5/8

58

3 3/4

28

18 3/8

24

1755

1 3/4

27 3/4

*Rod Take Out (RTO) is for down travel [ Add 14 inches for up travel ]

 

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