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USE
Rigid PVC fittings are suitable for connecting PVC pressure Pipes in
the following fields :
Irrigation
Water Distribution
Chemical Plants
Water Treatment
Swimming Pools
Food Processing Plants .
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RANGE
Complete dimensional item ranges as the following series : (L) , (R)
and (T).
L series : solvent welding BS series (BS 4346/1)
R series : form BS solvent welding to BS 21 parallel threaded (BSP).
T series : form BS solvent welding to metri solvent welding.
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MATERIAL
Fittings supplied in rigid PVC (polyvinile chloride) unplastified
And stabilized suitable for conveying potable water and food Stuff .
Material Chemical resistances according to ISO/TR 10358.
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GASKETS
Standard gaskets for unions and stubs are in EPDM (ethylene -
polypropylene rubber). Other materials are available upon request.
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SANITARY REGULATIONS
Our PVC compound is not toxic and it i suitable for conveying
potable water and food stuff in accordance with the Prescriptions of
National Authorities in Italy , (C.M.102 d.t.d. 02.12.78).
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MECHANICAL RESISTANCES
The following dates are referred to water or not particularly
aggressive fluids , at a working temperature of 20° C.
Max working pressure in Bar
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SERIES |
DIMENSIONS
|
CLASS
|
NP |
|
Solvent welding (L) |
from 3/8" to 8" |
E |
15 |
|
BS plain-ISO plain (T) |
from 3/8" to 6" |
E |
15 |
|
Adaptor (R) |
from 3/8" to 2" |
E |
15 |
|
from 3/8" to 2" |
D |
12 |
Note: 1) Class D; 2) Class C;
Safety factors at 20°C
|
CLASS |
NP NOMINAL PRESSURE |
1 Hour |
50 Years |
|
E |
15 Bar |
3,6 |
2,1 |
|
D |
12 Bar |
4,5 |
2,6 |
|
C |
9 Bar |
6,0 |
3,5 |
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MAX WORKING PRESSURE AS PER TEMPERATURE
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COUPLING TOLERANCES FOR SOLVENT WELDING BS SERIES, IN ACCORDANCE
WITH:
Fitting complying with:
BS 3505 BS 3506
The following table reports diameters and tolerances of our
fittings, according to prescription.
Dimensions in MM
|
(L)
D |
Outside diam.
of male fittings |
Inside diam.
of female fittings
|
|
Min. |
Max. |
Min. |
Max. |
|
3/8"
|
17.00 |
17.20 |
17.10 |
17.30 |
|
1/2"
|
21.20 |
21.40 |
21.30 |
21.50 |
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3/4"
|
26.60 |
26.80 |
26.70 |
26.90 |
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1"
|
33.40 |
33.60 |
33.50 |
33.70 |
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11/4"
|
42.10 |
42.30 |
42.20 |
42.40 |
|
11/2"
|
48.10 |
48.30 |
48.20 |
48.40 |
|
2"
|
60.20 |
60.40 |
60.30 |
60.50 |
|
21/2"
|
75.10 |
75.40 |
75.10 |
75.30 |
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3"
|
88.70 |
89.00 |
88.80 |
89.10 |
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4"
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114.10 |
114.40 |
114.20 |
114.50 |
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5"
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140.00 |
140.40 |
140.10 |
140.40 |
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6"
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168.00 |
168.40 |
168.20 |
168.50 |
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8"
|
218.80 |
219.30 |
219.00 |
219.40 |
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The
data given in this catalogue are offered in good faith, and may be
revised without warning. Tecno Plastic can not assume liability
characteristics not directly involved international standards. |
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