Alen

GRP Flange Technical Specifications

Technical Innovation in Flange

Major Acid and Gas Groups with High Resistance

It shows high resistance to corrosion, acid and seawater discharges.

– Acetic Acid
Seawater
– Pure Water
Diesel
– Gasoline
Plant Oils

– Natural Gas

– Aluminum Sulfate and Chloride Aluminium

– Calcium Carbonate

– Carbon Dioxide and Carbon Monoxide

– Glycerin

– Fatty Acids

– Lactic Acids

– Nickel Acid

– Nickel Nitrate

– Nickel Sulfate

– Brine – Olive Oil

– Potassium Nitrate and Potassium Sulfate

– Magnesium Nitrate and Magnesium Sulfate

– Zinc Chlorate

– Zinc Nitrate

– Zinc Sulfate

– Vinegar

– Ammonium Nitrate and Ammonium Sulfate

– Hydraulic Fluid

– Soybean Oil

– Sugar Beet

– Copper Chloride

– Copper Nitrate and Copper Sulfate
Ethylene
– Glycol
Iron Sulphate

– Iron Nitrate
Silver Nitrate

Flange Dimension Recommended Tightening Torque Maximum Tightening Torque
1/2″ 20 20 20
1/2″ 20 20 20
3/4″ 25 20 20
1″ 32 20 20
11/4″ 40 20 30
11/2″ 50 20 30
2″ 63 30 35
21/2″ 75 30 40
3″ 90 30 40
4″ 110 30 40
41/2″ 125 30 40
5″ 140 40 50
6″ 160 50 60
6″ 180 50 60
8″ 200 60 70
8″ 225 60 70
10″ 250 70 80
10″ 280 70 80
12″ 315 90 100
14″ 355 90 100
16″ 400 100 110
18″ 450 100 110
20″ 500 100 110