Stainless Steel Flexible Couplings
Larson Electronic Glass offers in addition to glass to metal adaptors a collection of standard fractional sized flexible couplings mounted on standard vacuum flange types including CF, ISO Kwik-Flange® and Large-Flange® from 3/4” thru 6”.
Features:
- 8 standard sizes from 3/4 thru 6 inch
- Other non-standard sizes available
- Type 321 SS bellows
- Choice of type 304 SS flanges
- CF type flange
- ISO Kwik-Flange®
- ISO Large-Flange®
Larson Electronic Glass offers "Stainless Steel Flexible Couplings" available in 8 standard sizes from 3/4 inch through 6 inch. Bellows are type 321 stainless steel. Flanges are type 304 stainless steel. Dimensions are in inches unless otherwise noted.
| Image | Stainless Steel Flexible Couplings | Flange | Flange O.D. | Bellows I.D. | Free Length (A) | Compressed length (B) | Price | Model Number | Part Number | Price |
|---|---|---|---|---|---|---|---|---|---|---|
 | 3/4" Stainless Steel Flexible Coupling | 1.33" CF | 1.33" | .67" | 4-1/2" | 3-3/4" | 168 | SFC-075-F1 | 322102 | $210 |
 | 3/4" Stainless Steel Flexible Coupling | NW16 | 1.18" | .67" | 4" | 3-1/8" | 168 | SFC-075-K1 | 322104 | $210 |
 | 1" Stainless Steel Flexible Coupling | 2-3/4" CF | 2.73" | 1.00" | 4" | 3-1/8" | 196 | SFC-100-F2 | 322122 | $245 |
 | 1" Stainless Steel Flexible Coupling | NW25 | 1.57" | 1.00" | 4" | 3-1/8" | 196 | SFC-100-K2 | 322123 | $245 |
 | 1-1/2" Stainless Steel Flexible Coupling | 2-3/4" CF | 2.73" | 1.25" | 4" | 3-1/8" | 208 | SFC-150-F2 | 322162 | $260 |
 | 1-1/2" Stainless Steel Flexible Coupling | NW40 | 2.16" | 1.25" | 4" | 3-1/8" | 208 | SFC-150-K4 | 322165 | $260 |
 | 2" Stainless Steel Flexible Coupling | 3-3/8" CF | 3.37" | 1.75" | 4" | 3-1/8" | 336 | SFC-200-F3 | 322192 | $420 |
 | 2" Stainless Steel Flexible Coupling | NW50 | 2.95" | 1.75" | 4" | 3-1/8" | 336 | SFC-200-K5 | 322194 | $420 |
 | 2-1/2" Stainless Steel Flexible Coupling | 4-1/2" CF | 4.47" | 2.25" | 6" | 4-1/2" | 488 | SFC-250-F4 | 322212 | $610 |
 | 2-1/2" Stainless Steel Flexible Coupling | NW63 | 3.74" | 2.25" | 6" | 4-1/2" | 488 | SFC-250-L6 | 322214 | $610 |
 | 3" Stainless Steel Flexible Coupling | 4-5/8" CF | 4.62" | 2.50" | 6" | 4-1/2" | 616 | SFC-300-F5 | 322232 | $770 |
 | 3" Stainless Steel Flexible Coupling | NW80 | 4.33" | 2.50" | 6" | 4-1/2" | 616 | SFC-300-L8 | 322234 | $770 |
 | 4" Stainless Steel Flexible Coupling | 6" CF | 5.97" | 3.50" | 6" | 4-1/2" | 695 | SFC-400-F6 | 322272 | $870 |
 | 4" Stainless Steel Flexible Coupling | NW100 | 5.12" | 3.50" | 6" | 4-1/2" | 695 | SFC-400-L10 | 322274 | $870 |
 | 6" Stainless Steel Flexible Coupling | 8" CF | 7.97" | 5.50" | 8" | 5-3/4" | 924 | SFC-600-F8 | 322292 | $1,155 |
 | 6" Stainless Steel Flexible Coupling | NW160 | 7.09" | 5.50" | 8" | 5-3/4" | 924 | SFC-600-L16 | 322294 | $1,155 |