FLEXWELL

Safety Pipe

1 corrugated

inner medium

pipe of stain-

less steel

2 corrugated

outer contain-

ment pipe of

stainless steel

3 polyethylene

casing

Positive pressure

leak detector

1 leak detector

2 pressure

reservoir

3 double-walled

corrugated

FLEXWELL

Safety Pipe

with measuring

branch and

test valve

4 distributor

FSR 1.01.02

2

3

1

DLR-

G ...

1

3

4

2

Physical properties FLEXWELL Safety Pipe

Material:

Operating pressure inner pipe:

Monitoring pressure outer pipe,

permanent:

inner pipe

outer pipe

reinforcing band

corrosion proofing

vacuum

positive pressure

vacuum

positive pressure

1.4404/1.4571

1.4301

steel

PE-LD casing

suction pipe up to –0.8 bar

up to 25 bar (depending on nominal bore)

–0.7 bar

up to 25 bar (depending on operating pressure and nominal bore)

Dimensions

Type

FSR 13/ 25

FSR 30/ 48

FSR 39/ 60

FSR 48/ 71

FSR 60/ 83

FSR 75/107

FSR 98/134

FSR 127/175

FSR 200/262

Nominal

bore

DN

12

25

32

40

50

65

80

100

150

Inner

Outer

diameter

diameter

mm

mm

13

25

30

48

39

60

48

71

60

83

75

107

98

134

127

175

200

262

Volume

Weight

Bending

inner pipe

radius

l/m

kg/m

cm

0.13

0.52

30

0.80

1.40

50

1.30

2.00

60

2.00

2.90

60

3.00

3.80

70

5.10

6.20

90

8.40

9.00

120

14.00

18.10

150

23.20

29.00

400

Subject to technical alterations

19.08.2024 KIWA Subject to technical changes. Page 5