Constant RCS-81H Type C

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Part #RCS-81H Type C
Constant Spring 

Part RCS-81H Type C Constant Spring Support   

The RCS-81H “TYPE C” manufactured using two(2) lugs to accommodate attachment to the building structure also allowing for the use of various types of attachments. (Example: RILCO Part #220). Available in most types of finishes.

Hanger Sizes

D

E

F

 

H

M

N

Total Travel (in.)

L

C

Factors

A
(max.)

1 - 9

8  7/16

1 1/4

7/8

1  1/2

6  1/8

4  1/8

≤ 4

13 15/16

5  1/2

14  5/8

1/2

>4 1/2

17 15/16

9  1/2

17  3/16

10 - 18

8  7/16

1  1/4

1/2

1  1/2

8  5/16

6  7/16

≤ 5

18  7/16

7  1/2

13  1/16

3/4

>5 1/2

21  7/16

10  1/2

15  7/16

19 - 34

14  7/16

2

5/8

2

12  7/16

8  9/16

≤ 5

26 15/16

8  1/2

19  7/8

1  1/4

>5 1/2

31  1/16

12  5/8

22

35 - 49

17  7/16

2  1/2

11/16

3

13  3/4

9 13/16

≤ 6

31  9/16

9  1/2

25  5/8

1  3/4

>6 1/2

39  9/16

17  1/2

30  1/8

50 - 63

26  3/16

3

15/16

4

17 11/16

11  1/4

≤8

45  9/16

13  3/8

30 11/16

2  1/4

8 1/2 to 11

53  9/16

21  3/8

30 11/16

>11 1/2

53  9/16

21  3/8

36

64 - 74

35  3/4

4

3  1/4

4  1/2

22  3/16

11

≤10 1/2

57  1/2

13  3/4

42  3/8

2  3/4

>11

63

19  1/4

42  1/2

75 - 83

35  3/4

4  1/2

3  5/8

5

27  3/16

11

≤10 1/2

57  1/2

12  3/4

45  3/4

3  1/4

>11

63

18  1/4

45  7/8

84-110

See RCS-81H Types A, B, C and E Constants Page

“A”-Rod and “K”-Hole Selection Chart

Loads (lbs)

0
800

801
1500

1501
2540

2541
4000

4001
6100

6101
9400

9401
13400

13401
18300

18301
24700

24701
31000

31001
39000

39001
48000

48001
58000

A Rod Size

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**

K-Hole Size

11/16

13/16

15/16

1  1/4

1  1/2

1  3/4

2

2  3/8

2  5/8

2  7/8

3  1/8

3  3/8

3 5/8

R

1 1/4

1  1/4

1  1/4

1  1/2

2

2  1/2

2  1/2

3

3

4

4

4

4 1/2

S

7/8

1  1/16

1  1/4

1  5/8

2

2  3/8

2  5/8

2  7/8

3  1/8

3  5/8

3  5/8

3  7/8

4 1/8

T

1/4*

1/4*

3/8

1/2

5/8

3/4

3/4

 

3/4

1

1

1

1

W

2  1/2

2  1/2

2  1/2

3

4

5

5

6

6

8

8

8

9

le rod suspension   ** 3 1/4 inch is furnished with 8 UN series thread.

 

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