PTFE lined metal hose

Brief Introduction:

Nominal diameter: DN50~600mm 2″~24″

Pressure rating: PN 10/16/25/150LB/10K/16K

Working temperature: 0~420℃

Connection: flange

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PTFE Expansion Joints / Connectors

Industrial PTFE expansion joints are manufactured of unreinforced molded PTFE bellows and are standard with ANSI 150# ductile iron drilled flanges with stainless steel reinforcing rings and limit bolts (pre-set from factory). These expansion joints are available in 2, 3, or 5 convolutions with various allowable movements as noted below (also often referred to as couplings for 2-convolutions, expansion joints for 3-convolutions, and bellows for 5-convolutions, respectively).

Parameter

Nominal diameter DN Inner diameter Outer diameter Minimum bending radius Working pressure
(mm) Bellows Braid mesh Static Dynamic Single braid mesh Double braid mesh
8 8.8 13.2 14.4 50 110 15 20
10 11.7 16.5 17.7 65 145 185 20
15 13.5 19.5 21.1 80 180 18 20
20 20 27 28.6 120 270 10 15
25 27 34.5 36.1 160 360 6.3 10
32 32 40 41.6 175 400 4 6.3
40 39.6 52 53.6 225 510 4 6.3
50 49.7 62 63.6 280 640 3 5
65 61.2 80.2 81.8 410 915 3 5
80 79 96.3 97.9 486 1030 3 5
100 101.2 119.6 121.2 610 1340 2.5 4
125 124.1 145.3 146.9 700 1540 2.5 4
150 149.4 180.8 182.4 810 1780 2.5 4
200 176 240 243.2 1000 2000 2.5 4
250 248 290 294 1250 2500 2.5 4
300 298 350 354 1500 3000 1.6 2.5
350 347 400 404.8 1750 3500 1.6 2.5
400 397.6 460 464.8 2000 4000 1.6 2.5

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