ptfe_moduled_expantions_bellow
PTFE_MOULDED_EXPANSION_BELLOWS_LineDaigram

Standard Scope Of Supply

NO. Description MOC
1. Flange Ductile Iron / CS / SS 304/ SS 316
2. Moulded Bellows PTFE – ASTM D4895
3. Reinforcement Rings SS 304
4. Drilling ANSI B16.5, #150
5. Bolts & Nuts MS Zinc Coated BS 1083/BS 916 / SS
Note:

Numbers of convolutes are depends on length of the Bellows

* 5 or more convolute options are available on request

Dimensional Data

Size Max. Pressure
@25°C
(Kg/Cm2)
ØD F/F Ø C* G rX N
+ / – mm
No of Holes P.C.D. M
DN25-1” 10 21 50 47.6 10 10 5 4 79.4 15.9
DN40-1 1/2” 10 36 55 68.3 10 10 5 4 98.4 15.9
DN50-2” 10 48 70 87.3 12 15 8 4 120.7 19.0
DN80-3” 10 74 100 117.5 12 25 8 4 152.4 19.0
DN100-4” 10 97 100 150.8 14 25 12 8 190.5 19.0
DN150-6” 8 140 100 203.2 14 25 15 8 241.3 22.2
DN200-8” 8 190 150 255.6 16 28 20 8 298.5 22.2
DN250-10” 8 235 150 311.2 20 28 10 12 361.9 25.4
DN300-12” 8 286 200 365.1 24 30 08 12 431.8 25.4

The compensation factor (r x ) shown above do not apply to lateral or angular instalation at the same time.

*Ø C indicates minimum flare diameter required as per ASTM F1545
¤ Dn300 will be supplied in 5 convolute.

Technical Information subject to change without notice.