UK
Adaptors to convert Metric Fittings to Imperial pipe
7786 Class C Low Density BS1972/67 Code
7787 Class D Low Density BS1972/67 Code
Nominal Size
Fitting Size
Nominal Size
Fitting Size
£ ea
£ ea
PL077806003 PL077806005 PL077806007 PL077806010 PL077806013 PL077806015 PL077806020
3/8” 1/2” 3/4”
20 20 25 32 50 50 63
1.88 1.57 1.88 2.19 5.35 5.35 8.02
PL077807005 PL077807007 PL077807010 PL077807013 PL077807015
1/2” 3/4”
20 25 32 50 50
1.57 1.88 2.19 5.35 5.35
1”
1”
1 1/4” 1 1/2”
1 1/4” 1 1/2”
2”
7788 Class C High Density BS3284/67 Code
7789 Class D High Density BS3284/67 Code
Nominal Size
Fitting Size
Nominal Size
Fitting Size
£ ea
£ ea
PL077808005 PL077808007 PL077808010 PL077808013 PL077808015 PL077808020
1/2” 3/4”
20 25 32 50 50 63
1.57 1.88 2.19 5.35 5.35 8.02
PL077809003 PL077809005 PL077809007 PL077809010 PL077809013 PL077809015 PL077809020
3/8” 1/2” 3/4”
20 20 25 32 50 50 63
1.88 1.57 1.88 2.19 5.35 5.35 8.02
1”
1 1/4” 1 1/2”
1”
1 1/4” 1 1/2”
2”
2”
7995 Normal Gauge IS 134:1977 Code
7996 H eavy Gauge IS 134:1977 Code
Nominal Size
Fitting Size
Nominal Size
Fitting Size
£ ea
£ ea
PL079905005 PL079905007 PL079905010 PL079905013 PL079905015 PL079905020
1/2” 3/4”
20 25 32 50 50 63
1.19 1.43 1.68 3.88 4.92 7.70
PL079906005 PL079906007 PL079906010 PL079906013 PL079906015
1/2” 3/4”
20 25 32 50 50
1.19 1.43 1.68 3.88 4.92
1”
1”
1 1/4” 1 1/2”
1 1/4” 1 1/2”
2”
For fitting instructions see page 67.
Pipe Sizes of Imperial Polyethylene (Alkathene)
Class
OD (mm)
3/8”
1/2”
3/4”
1”
1 1/4”
1 1/2”
2”
Min Max OD 17.00 - 17.30 21.20 - 21.50 26.60 - 26.90 33.40 - 33.70 42.10 - 42.50 48.10 - 48.50 60.10 - 60.60 Wall Thickness 2.20 - 2.50 2.70 - 3.00 3.40 - 3.70 4.20 - 4.60 5.30 - 5.80 6.10 - 6.70 7.60 - 8.40
Class C Low Density
Min Max OD
21.20 - 21.50 26.60 - 26.90 33.40 - 33.70 42.10 - 42.50 48.10 - 48.50
Class D Low Density
Wall Thickness
3.40 - 3.70 4.30 - 4.70 5.40 - 5.90 6.80 - 7.50 7.80 - 8.60
Min Max OD
21.20 - 21.50 26.60 - 26.90 33.40 - 33.70 42.10 - 42.50 48.10 - 48.50 60.10 - 60.60
Class C High Density
Wall Thickness
1.80 - 2.00 2.30 - 2.60 2.80 - 3.10 3.60 - 4.00 4.10 - 4.50 5.10 - 5.60
Min Max OD 17.00 - 17.30 21.20 - 21.50 26.60 - 26.90 33.40 - 33.70 42.10 - 42.50 48.10 - 48.50 60.10 - 60.60 Wall Thickness 1.90 - 2.10 2.30 - 2.60 2.90 - 3.20 3.70 - 4.10 4.60 - 5.10 5.30 - 5.80 6.60 - 7.30
Class D High Density
Min Max OD
16.95 - 17.30 24.95 - 25.40 31.25 - 31.75 37.50 - 38.10 43.80 - 44.45 60.00 - 60.85
Normal Gauge
Wall Thickness
2.30 - 2.60 3.10 - 3.50 3.10 - 3.50 3.10 - 3.50 3.50 - 3.90 4.56 - 5.20
Min Max OD
20.70 - 21.10 27.05 - 27.45 33.85 - 34.10 42.00 - 42.65 47.95 - 48.65
Heavy Gauge
Wall Thickness
4.30 - 4.85 4.30 - 4.85 4.30 - 4.85 5.05 - 5.60 5.35 - 5.90
www.plasson.co.uk
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