Spaenaur Catalog 14 - Digital Flipping Catalog

Disc Springs (Washers) Rondelles à ressort (Belleville)

Inch Pouce

This series of Disc Springs has been specifically designed for heavy bolted sections, such as those used in electrical industries - on bus bar applications, transformers, etc. They are widely used to compensate for developed looseness due to thermal expansion of bolted sections. Theseconical springwashersarenot asaccurately formed as our AI series, which are generally used for lighter loads and more predictable load/deflection characteristics. SPDisc Springs aremade of high quality spring steel, heat treated toRockwell C43-50. 17-7PHstainless steel is heat treated to Rockwell hardness C40-48. SP/SSP Series STEEL AND STAINLESS STEEL for HEAVY BOLTED SECTIONS Materials: High-grade SPRING STEEL , in self colour or phosphate finish, our option. 17-7PH STAINLESS STEEL

For INCH Bolt Sizes - ELECTRICAL INDUSTRY APPLICATIONS Bus Bar Joints | Transformers - AUTOMOTIVE - FARM IMPLEMENTS

D

d

O.H.

h

t

D

IMPORTANT NOTE: SP Series Disc Springs are not pre-stressed. They are designed for static bolted applications only. See Series AM or AI as shown on other pages, for other applications.

Load Values for Stainless Steel approx. 95% of Spring Steel values shown.

● Prefix Cross-Reference Part No. with an SP for Steel and SSP for Stainless Steel.

●

NOMINAL

INCH DIMENSIONS 3)

Cross-Ref.

TLOB

thgieWdaoL

SPAENAUR No.

STAINLESS

EZIS PSS/PS

M rep talF )2 )1

1) When delivered. 2) After first loading. 3) Load ± 20% of nominal shown. Note : Values for Load at Flat shown in the table are computed.

STEEL STEEL Part No.

Inch D d t

O.H. O.H. (in lbs.) (in lbs.)

— 680-852 680-203 680-853 680-205 680-854 680-207 680-855 680-209 680-856 680-211 680-804

— —

52203 62704 73205 83705 94308

.197 .087 .012 .020 .016 65 .236 .106 .016 .026 .020 146 .276 .126 .020 .030 .025 210 .315 .146 .020 .031 .027 176 .354 .169 .031 .043 .037 590 .433 .209 .039 .055 .047 1070 .551 .252 .050 .067 .056 1390 .669 .291 .059 .079 .070 1800 .709 .331 .078 .102 .088 4755

0.08 0.16 0.26 0.34 0.68

1/8" #5

#6

5/32" #8

3/16" #10

1.3 2.5 4.8 6.9

115310 146412 177415 188420 218425 241130 291325 321335 351530 391540 391735 421740 471950 522160 702870 188420 231120

680-213 680-215 680-217

1/4"

680-B08-1C

—

—

5/16" 5/16"

680-B07-1Y

680-219 680-861

.827 .331 .098 .118 .108 5345 12.5 .906 .413 .078 .106 .094 3200 11.4 .945 .413 .118 .146 .130 8000 18.9 1.142 .512 .098 .130 .116 4700 22.9 1.260 .512 .138 .169 .156 9900 40.0 1.378 .591 .125 .157 .141 6500 40.7 1.535 .591 .157 .197 .181 12000 70.0 1.535 .669 .138 .185 .162 10000 58.5 1.654 .669 .157 .204 .201 13000 90.0 1.850 .748 .197 .244 .222 20000 125.0 2.047 .827 .236 .287 .246 31000 169.0 2.756 1.102 .276 .362 .317 46000 392.0

3/8" 3/8" 1/2" 1/2"

680-B09-1N 231120

680-B18-1P

680-223 680-225

680-B21-1Y 680-B06-1P

680-227 680-864 680-229 680-865

9/16" 9/16"

—

680-231

▲ 680-233

5/8" 5/8"

680-868 680-867

680-235 680-237

CATALOG 14

—

—

680-239 680-870

3/4"

1"

680-245

—

A typical application of SP/SSP Series Disc Springs

680-217ZP 680-221ZP

5/16

.709 .331 .079 .102 .088 4755 .906 .413 .0798 .106 .094 3200

6.9

(Mechanical Zinc) (Mechanical Zinc)

3/8

11.4

680-233MZ Mechanical Zinc

▲

D50

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