| Specification | General PTFE thickness and negative pressure-resistance | The thickness of PTFE wall required to resist-0.1MPA pressure when the temperature is less than 120degree, | |
| DN25 | 2mm | -0.08Mpa | 3mm(L≤3000mm) |
| DN32 | 2mm | -0.075Mpa | 3mm(L≤3000mm) |
| DN40 | 2.5mm | -0.075Mpa | 4mm(L≤3000mm) |
| DN50 | 2.5mm | -0.06Mpa | 5mm(L≤3000mm) |
| DN65 | 2.5mm | -0.05Mpa | 8mm(L≤1000mm) |
| DN80 | 3mm | -0.05Mpa | 10mm(L≤1000mm) |
| DN100 | 3mm | -0.04Mpa | 13mm(L≤1000mm) |
| DN125 | 4mm | -0.03Mpa | 13mm(L≤1000mm) |
| DN150 | 4mm | -0.025Mpa | 13mm(L≤1000mm) |
| DN200 | 5mm | -0.02Mpa | 15mm(L≤1000mm) |
| PTFE lined 90° elbow | Unit mm | ||||||||
| Nominal diameter | Specification of balled iron T | Raised face A | Central height C1 | Inside diameter D1 | PTFE thickness | out side diameter of flange D | Diameter of bolt circle K | Thickness of flange C | |
| DN(mm) | NPS(inch) | ||||||||
| DN15 | 1/2 | 34 | 40 | 80 | 15 | 5 | 90 | 65 | 11 |
| DN20 | 3/4 | 38 | 45 | 90 | 18 | 5 | 100 | 75 | 11 |
| DN25 | 1 | 42 | 60 | 92 | 22 | 5 | 110 | 85 | 12 |
| DN32 | 1 1/4 | 48 | 70 | 100 | 28 | 5 | 130 | 100 | 13 |
| DN40 | 1 1/2 | 57 | 80 | 112 | 38 | 5 | 140 | 110 | 14 |
| DN50 | 2 | 68 | 95 | 117 | 48 | 5 | 155 | 125 | 14 |
| DN65 | 2 1/2 | 89 | 115 | 135 | 63 | 8 | 175 | 145 | 16 |
| DN80 | 3 | 108 | 130 | 150 | 78 | 8 | 190 | 160 | 16 |
| DN100 | 4 | 114 | 150 | 150 | 87 | 8 | 210 | 180 | 18 |
| DN125 | 5 | 140 | 180 | 190 | 110 | 8 | 240 | 210 | 20 |
| DN150 | 6 | 168 | 205 | 230 | 135 | 10 | 275 | 240 | 20 |
| DN200 | 8 | 219 | 260 | 305 | 180 | 10 | 330 | 295 | 20 |
| DN250 | 10 | 273 | 315 | 380 | 230 | 12 | 385 | 350 | 23 |
| DN300 | 12 | 325 | 365 | 420 | 280 | 12 | 435 | 400 | 23 |
Key words:
| ptfe lined pipe fittings | ptfe lined tee | ptfe lined reducer | ptfe lined elbow | ptfe lined cross |
| ptfe lined pipe and fittings | ptfe lined90degree elbow | ptfe lined 45 degrdd elbow | ptfe lined ECC reducer | ptfe lined CON reducer |
| ptfe lined equal tee | ptfe lined reduce tee | ptfe lined unequal tee | ptfe lined pipe | ptfe lined fittings |
| ptfe lined carbon steel pipe fittings | ptfe lined carbon steel tee | ptfe lined carbon steel reducer | ptfe lined carbon steel elbow | ptfe lined carbon steel cross |
| PTFE pipe | PTFE lined pipe(Australia) | Resistant Stainless Steel Pipe | Resistant Steel Pipe | Carbon seamless steel pipe |
| Anti Corrosion Pipe Fittings Lined | PTFE lining fittings | PTFE lined piping | straight tee | PTFE lined bends |
The chemical compatibility of LDPE and HDPE on this chart is tested at 20°C: and 50°C: for 7 days and 30 days (if applicable) with constant exposure.
| LDPE & HDPE resistance listed by chemical | |
| 1.4-dioxane |
LDPE / HDPE at 20°C: little or no damage after 30 days.
LDPE at 50°C: shows some effect after 7 days. |
| Acetaldehyde |
LDPE / HDPE at 20°C: little or no damage after 30 days.
HDPE at 50°C: shows some effect after 7 days. LDPE at 50°C: immediate damage may occur. |
| Acetic Acid 5 % | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Acetic Acid, glacial 50% |
LDPE / HDPE at 20°C: little or no damage after 30 days.
LDPE at 50 °C: immediate damage may occur. |
| Acetone |
LDPE / HDPE at 20°C-50°C: damage may occur.
Not recommended for continuous use. |
| Allyl Alcohol | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Aluminum salts | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Amino acids | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Ammonia | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Ammonium carbonate saturated | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Ammonium phosphate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Ammonium sulphate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Amyl chloride |
HDPE at 20°C: shows some effect after 7 days.
HDPE at 50°C & LDPE at 20°C-50°C: immediate damage may occur. Not recommended for continuous use. |
| Aniline |
LDPE / HDPE at 20°C: little or no damage after 30 days.
HDPE at 50°C: shows some effect after 7 days. |
| Benzene |
LDPE / HDPE at 20°C-50°C: damage may occur.
Not recommended for continuous use. |
| Benzyl alcohol |
LDPE / HDPE at 50°C: immediate damage may occur.
HDPE at 20°C: shows some effect after 7 days. |
| Boric acid | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Bromine |
LDPE / HDPE at 50°C: immediate damage may occur.
HDPE at 20°C: shows some effect after 7 days. |
| Butyric acid |
LDPE / HDPE at 50°C: immediate damage may occur.
HDPE at 20°C: shows some effect after 7 days. |
| Calcium chloride | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Calcium hydroxide saturated | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Carbon tetrachloride |
HDPE at 20°C: shows little or no damage after 30 days.
LDPE at 20°C & HDPE at 50°C: show some effect after 7 days. LDPE at 50°C: not recommended. |
| Chlorine 10% in water |
LDPE / HDPE at 20°C: shows little or no damage after 30 days.
LDPE at 50°C: shows damage and is not recommended. |
| Chlorobenzene |
Immediate damage may occur.
Not recommended for continuous use. |
| Chloroform |
LDPE / HDPE at 20°C: show some effect after 7 days.
LDPE / HDPE at 50°C: immediate damage may occur. Not recommended for continuous use. |
| Chromic acid 10% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Chromic acid 50% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Citric acid 10% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Cresol |
HDPE at 20°C: shows some effect after 7 days.
LDPE at 20°C-50°C & HDPE at 50°C: show immediate damage. Not recommended for continuous use. |
| Cyclohexane |
LDPE / HDPE at 50°C: immediate damage may occur.
LDPE / HDPE at 20°C: show some effect after 7 days. |
| Diethyl ketone |
LDPE / HDPE at 20°C-50°C: damage may occur.
Not recommended for continuous use. |
| Dimethylsulfoxide | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Ethanol 95% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Ethyl acetate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Ethyl benzene |
HDPE at 20°C: shows some effect after 7 days.
LDPE at 20°C-50°C & HDPE at 50°C: show immediate damage. Not recommended for continuous use. |
| Ethylene glycol | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Ethylene oxide |
HDPE at 20°C: shows little or no damage after 30 days.
LDPE at 20°C: and LDPE/ HDPE at 50°C: show some effect after 7 days. |
| Ferric chloride | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Fluoride | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Fluorine |
HDPE at 20°C: shows little or no damage after 30 days.
LDPE at 20°C: shows some effect after 7 days. Not recommended at 50°C. |
| Formaldehyde 10% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Formaldehyde 40% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Glycerol | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Hexane |
HDPE at 20°C: shows little or no damage after 30 days continuous use.
HDPE at 50 °C: shows some effect after 7 days. LDPE not recommended at any temperature. |
| Hydrochloric acid 20% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Hydrochloric acid 35% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Hydrochloric acid 5% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Hydrocyanic acid | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Hydrofluoric acid | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Hydrofluoric acid 4% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Hydrofluoric acid 48% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Hydrogen peroxide 3% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Hydrogen peroxide 30% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Isobutyl alcohol | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Isopropyl alcohol | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Kerosene |
LDPE / HDPE at 20°C: show some effect after 7 days.
LDPE / HDPE not recommended at 50°C, as immediate damage may occur. |
| Lactic Acid 10 % | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Lactic Acid 90 % | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Lead acetate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Methanol | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Methyl ethyl ketone |
Immediate damage may occur.
Not recommended for continuous use. |
| Methyl propyl ketone |
HDPE at 20°C: shows some effect after 7 days.
LDPE at 20°C-50°C & HDPE at 50°C: Immediate damage may occur. Not recommended for continuous use. |
| Methylene chloride |
HDPE at 20°C: shows some effect after 7 days.
LDPE at 20°C-50°C & HDPE at 50°C: Immediate damage may occur. Not recommended for continuous use. |
| Mineral oil |
LDPE / HDPE at 20°C: little or no damage after 30 days.
LDPE at 50°C: may show immediate damage and is not recommended. |
| n-amyl acetate |
LDPE / HDPE at 20°C: little or no damage after 30 days.
LDPE at 50°C: shows some effect after 7 days or constant exposure. |
| n-butyl alcohol | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| HNO3 acid 50 % |
LDPE at 20°C: shows little or damage after 30 days.
HDPE at 20°C & LDPE at 50°C: show effect after 7 days. HDPE at 50°C: shows immediate damage and is not recommended. |
| HNO3 acid 70 % |
LDPE / HDPE at 20°C: show some effect after 7 days.
LDPE / HDPE at 50°C: show immediate damage. Not recommended. |
| n-octane | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Oleic acid |
HDPE at 20°C-50°C: little or no damage after 30 days.
LDPE at 20°C-50°C: shows immediate damage and is not recommended. |
| Oxalic acid |
LDPE at 20°C: shows some effect after 7 days.
HDPE at 20°C and LDPE / HDPE at 50°C: shows little/ no damage after 30 days. |
| Ozone |
LDPE / HDPE at 20°C: little or no damage after 30 days.
LDPE / HDPE at 50°C: show immediate damage. Not recommended. |
| Perchloric acid |
LDPE / HDPE at 20°C: little or no damage after 30 days.
LDPE / HDPE at 50°C: show immediate damage. Not recommended. |
| Perchloric ethylene |
LDPE / HDPE at 20°C-50°C: show immediate damage.
Not recommended. |
| Phenol |
LDPE / HDPE at 20°C-50°C: show immediate damage.
Not recommended. |
| Phosphoric acid 10% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Phosphoric acid 85% |
LDPE / HDPE at 20°C: little or no damage after 30 days.
LDPE at 50°C: shows immediate damage and is not recommended. |
| Phosphorous trichloride |
LDPE / HDPE at 20°C: little or no damage after 30 days.
LDPE at 50°C: has no data available. HDPE at 50°C: shows some effect after 7 days. |
| Potassium carbonate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Potassium hydroxide 5 % | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Potassium hydroxide concentrated | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Potassium permanganate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Propylene glycol | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Pyridine |
Immediate damage may occur.
Not recommended for continuous use. |
| Salicylic acid, saturated | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Silver acetate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Silver nitrate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Sodium carbonate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Sodium chloride, saturated | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Sodium dichromate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Sodium hydroxide 1% |
LDPE at 20°C-50°C: shows little or no damage after 30 days.
HDPE at 20°C-50°C: shows some effect after 7 days. |
| Sodium hydroxide 50% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Sodium hypochlorite 15% |
HDPE at 20°C-50°C: little or no damage after 30 days.
LDPE at 20°C: is suitable but at 50°C: shows some effect after 7 days. |
| Sodium nitrate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Sodium sulphate | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Sucrose | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Sulfuric acid 20% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Sulfuric acid 6% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Sulfuric acid 60% | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Sulfuric acid 98% |
LDPE at 20°C-50°C: shows little or no damage after 30 days.
HDPE at 20°C: shows effect after 7 days. Not recommended for use at 50°C. |
| Tannic acid | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Tetrahydrofuran |
LDPE / HDPE at 20°C: show some effect after 7 day of constant exposure.
LDPE / HDPE at 50°C: show immediate damage. Not recommended. |
| Toluene |
LDPE at 20°C: show some effect after 7 day of constant exposure.
HDPE at 20°C-50°C & LDPE at 50°C: show immediate damage. Not recommended. |
| Trichloracetic acid |
LDPE / HDPE at 20°C: show some effect after 7 day of constant exposure.
LDPE / HDPE at 50°C: show immediate damage. Not recommended. |
| Trichlorethane |
Immediate damage may occur.
Not recommended for continuous use. |
| Turpentine oil |
LDPE / HDPE at 20°C: show some effect after 7 days.
LDPE / HDPE at 50°C: show immediate damage. Not recommended. |
| Urea | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |
| Xylene |
HDPE at 20°C: shows some effect after 7 day of constant exposure.
LDPE at 20-50°C and HDPE at 50°C: show immediate damage. Not recommended. |
| Zinc chloride | LDPE / HDPE at 20°C-50°C: little or no damage after 30 days. |