Quantech
113
Section 5: Technical data
Form QTC3-NM1
Issue date: 12/19/2023
55
2 in. deflection isolator cross-reference
LD13761A
12"
5"
2-3/4"
12-1/4"
8-3/8"
OPER.
HEIGHT
14"
5/8"
3/8"
Ø3/4"
TYP.(4)
3-1/2"
5/8-11UNC
TYP. (4)
2-3/4"
3/4"
7/8"
1-1/8"
3/8" GAP
5"
1/2" LIMIT
STOP &
NUT
NOTES:
1. ALL DIMENSIONS ARE IN INCHES, INTERPRET PER ANSI Y14.
2. STANDARD FINISH: HOUSING-POWDER COATED (COLOR:BLACK), SPRING-POWDER COATED (COLOR: SEE T
HARDWARE ZINC-ELECTROPLATE.
3. EQUIPMENT MUST BE BOLTED OR WELDED TO THE TOP PLATE TO MEET ALLOWABLE SEISMIC RATINGS.
4. ALL SPRINGS ARE DESIGNED FOR 50% OVERLOAD CAPACITY WITH EXCEPTION OF THE 2D-3280N & 2D-2870
5. REFER TO PAGE FOR INSTALLATION INSTRUCTIONS.
6. CONSULT FACTORY FOR CONCRETE INSTALLATION.
1. All dimensions are in inches, interpret per ANSI
Y14.
2.
black), spring-powder coated (color, see table be-
low) hardware - zinc-electroplate.
3. Equipment must be bolted or welded to the top
plate to meet allowable seismic ratings.
4. All springs are designed for 50% overload capac-
ity with exception of the 2D-3280N and 2D-2870.
5. See next page for installation instructions.
6. Consult factory for concrete installation.
Restrained vibration isolator for 2 inch deection
Model P/N
RATED LOAD
(LB)
RATED
DEFLECTION
(IN.)
SPRING RATE
(LB/IN.)
SOLID LOAD
(LB)
COLOR
CODE
ALLOWABLE
G RATING
HORIZONTAL
029-25336-006 (688690) 150 2.4 62 234 WHITE 34.7
029-25336-008 (688691) 320 2.3 140 490 YELLOW 16.3
029-25336-009 (688692) 460 2.3 200 688 GREEN 11.3
029-25336-010 (688693) 710 2.2 330 1072 DK BROWN 7.3
029-25336-011 (688694) 870 1.9 460 1312 RED 6.0
029-25336-012 (688695) 1200 1.9 638 1818 RED/BLACK 4.3
029-25336-013 (688697) 1450 1.8 900 2450 TAN 3.6
029-25336-014 (688698) 1690 1.7 1140 2892 PINK 3.1
029-25336-015 (688699) 2000 1.7 1318 3342 PINK/BLACK 2.6
029-25336-016 (688700) 2640 1.5 1854 4283 PINK/GRAY 2.0
029-25336-017 (688701) 3080 1.5 2004 4629
PINK/GRAY/
ORANGE
1.7
029-25336-018 (688702) 3740 1.8 2134 4930
PINK/GRAY/DK
BROWN
1.4
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