catalogue - Düker GmbH & Co KGaA

5 Tapping
220
clamp type 88 and 89
for water PN 16
Construction: Type 88, Tapping clamp with internal pipe thread acc. to DIN 2999.
Type 89, Tapping clamp with flange outlet DN 40 or DN 50.
Both types are suitable for mounting on pipes with diameters from DN 80 up to DN 300 and useable for cast iron – as
well as for steel – and asbestos cement pipes.
The clamping bands (Stainless steel, plastic coated) are packed as a unit together with all necessary accessories
and are allocated to the types and diameters of the pipes.
Materials: Tapping clamp made of ductile cast iron acc. to DIN EN 1563. Coating: inside and outside hot melt
epoxy powder coating, optional inside enamelled.
Fig. 88 Fig. 89
Field of application (water up to 40 °C; gas acc. to G 260/1)
Water – test-pressure
bar
21
DN
Fig. 88
Weight in kg ≈
output ø d
1" / 1
80 —
300
1 / 4 " 1 1 Dimensions and weights
/ 2 " / 2"
3 3
Available as blank clamp, too.
Max. operating pressure
bar
in case of operating temperature up to 40 °C
16
Fig. 89
Weight in kg ≈
output DN 1
DN 40 DN 50
6,3 7,0
Clamping bands for tapping clamps type 88
and 89 and for tapping valves “TOP“ and “TOPsi“
Construction: Flat clamping band for the dimensions DN 80 – 300 and useable for cast iron-, cast iron cement coated
as well as for steel- or asbestos cement pipes PN 12,5.
The clamping bands ( stainless steel, plastics coated ) are packed as a unit together with all necessary accessories and
are allocated to the types and diameters of the pipes.
Material: Flat band with welded on threaded bolts made of stainless steel 1.4301, passivated and powder coated.
Washers made of stainless steel 1.4104. Nuts made of stainless steel 1.4571 with slide coating. Thread protectors made
of plastics. Saddle gaskets made of high quality elastomer.
a = Clamping band for cast iron pipes (bitumen / PE coated)
b = Clamping band for cast iron pipes (cement coated)
c = Clamping band for steel pipes acc. to DIN 2448, series 1
d = Clamping band for steel pipes acc. to DIN 2448, series 3
e = Clamping band for ac pipes PN 12,5 acc. to DIN 19 800
Dimensions ( Dimensions in mm )
DN
80
100
125
150
200
250
300
a
pipe-
outside-ø
98
118
144
170
222
274
326
b
pipe-
outside-ø
106
126
154
180
232
286
338
c
pipe-
outside-ø
88,9
114,3
139,7
168,3
219,1
273,0
323,9
d
pipe-
outside-ø
—
108
—
159
—
—
—
e
pipe-
outside-ø
row a
row a
row b
row b
row b
row b
352
5221