Product Description
Brass core,heavy type,the inner core plate open more
PN 20
the spring is made of stainless steel 304
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Key Specifications
| size | A | H | R |  |
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| 1/2” | 12.5 | 51 | 34.5 | 20 | 120 |
| 3/4” | 14.5 | 60 | 42 | 10 | 100 |
| 1” | 15 | 65 | 48 | 10 | 60 |
| 1-1/4” | 18 | 78 | 60.5 | 6 | 48 |
| 1-1/2” | 18.5 | 87.5 | 72 | 4 | 24 |
| 2” | 21 | 100 | 84.5 | 2 | 16 |
| 2-1/2” | 24 | 112 | 101 | 2 | 12 |
| 3” | 26 | 122 | 114.5 | 2 | 8 |
| 4” | 29 | 135 | 144 | 1 | 6 |
