Liquid Tight Conduit is defined as a raceway of circular cross-section having a watertight, non-metallic, sunlight resistant outer jacket over an internal flexible metal jacket with associated couplings, connectors and fittings for mounting electrical conductors.
Liquid tight flexible conduit is a type of electrical conduit used to protect wiring from moisture and other environmental factors. It is commonly made from a flexible material such as PVC, and is typically used in applications where a high degree of flexibility is required, such as in outdoor or underground installations.
The liquid tight nature of this type of conduit is achieved through the use of a special coating or jacketing material that is resistant to moisture and other types of liquids. This helps to ensure that the wiring remains protected even in wet or humid environments.
Liquid tight flexible conduit is often used in applications such as outdoor lighting, industrial machinery, and other situations where flexibility and protection from the elements are essential. It is also commonly used in areas where there is a risk of exposure to chemicals or other hazardous substances.
Application of Liquid Tight Conduit
Liquid tight conduit is commonly used in outdoor and industrial environments, such as in agricultural and manufacturing facilities, where traditional conduit may be prone to damage from water or other liquids. It is also used in underground and underwater electrical installations, as well as in marine environments.
Applicable for the protection of circuit with 600 volts or lower in locations where UL certificate is required, including commercial buildings, industrial/power plant, shipyards, marine or boat, computer rooms and etc.
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Material：Galvanized Steel + PVC Jacket
Temperature Range:
105℃ Dry, 60℃ Wet, 70℃ Oil
80℃ Dry, 60℃ Wet, 70℃ Oil
60℃ Dry, 60℃ Wet, 60℃ Oil
IP Rating:
IP 40 (Fit with connector series: S52)
IP 66 (Fit with connector series: S50, S51 & S53)
Jacket Color: Grey (Standard), other colors are available by consult.
Flexibility: Medium
Fire Retardant: Self-extinguishing
UV Resistance: Yes
RoHS Compliance: Yes
Certificate:
UL Listed. (sizes 1/2 in. through 4in.)
Conforms to UL standard ANSI/UL-1 for flexible metal conduit
Suitable for use in Hazardous (Classified) Locations :
NEC Article 501.10 (B) (2) & 501.30 (B) Class I Div. 2
NEC Article 502.10 (A) (2) & 502.30 (B) Class II Div. 1; 502.10 (B) (2) Class II Div. 2
NEC Article 503.10 (A) (2) & 503.30 (B) Class III Div. 1; 503.10 (A) (2) Class III Div. 2
| Nominal Conduit Size (mm) | Nominal Conduit Size (inch) | Part Number | ID (mm) | OD (mm) | Bending Radius (mm) | Package / Roll (ft/m) | Measurement(LxWxH mm) |
|---|
| 12 | 3/8 | PULTG1 - 3/8 | 12.29 ~ 12.80 | 17.50 ~ 18.00 | 60.8 | 100 / 30.5 | 440 * 440 * 140 |
| 16 | 1/2 | PULTG1 - 1/2 | 15.80 ~ 16.31 | 20.80 ~ 21.30 | 92.55 | 100 / 30.5 | 440 * 440 * 160 |
| 21 | 3/4 | PULTG1 - 3/4 | 20.83 ~ 21.34 | 25.20 ~ 26.70 | 117.95 | 100 / 30.5 | 500 * 500 * 180 |
| 27 | 1 | PULTG1 - 1 | 26.44 ~ 27.08 | 32.80 ~ 33.40 | 175.1 | 100 / 30.5 | 600 * 600 * 300 |
| 35 | 1 - 1/4 | PULTG1 - 1 - 1/4 | 35.05 ~ 35.81 | 41.40 ~ 42.20 | 213.2 | 50 / 15.3 | 750 * 750 * 130 |
| 41 | 1 - 1/2 | PULTG2- 1- 1/2 | 40.01 ~ 40.64 | 47.40 ~ 48.30 | 238.6 | 50 / 15.3 | 750 * 750 * 250 |
| 53 | 2 | PULTG1- 2 | 51.31 ~ 51.94 | 59.40 ~ 60.30 | 292.6 | 25 / 7.6 | 900 * 900 * 120 |
| 63 | 2 - 1/2 | PULTG1- 2- 1/2 | 62.99 ~ 63.63 | 72.10 ~ 73.00 | 381.3 | 25 / 7.6 | 1000 * 1000 * 150 |
| 78 | 3 | PULTG1- 3 | 77.98 ~ 78.74 | 87.90 ~ 88.90 | 454.5 | 25 / 7.6 | 1100 * 1100 * 180 |
| 91 | 3-1/2 | PULTG1- 3-1/2 | 88.90 ~ 89.92 | 100.60 ~ 101.60 | 518.0 | 25 / 7.6 | 1125 * 1125 * 230 |
| 103 | 4 | PULTG2- 4 | 101.60 ~ 102.62 | 113.30 ~ 114.30 | 619.6 | 25 / 7.6 | 1125 * 1125 * 230 |
liquidtight flexible metal conduit (LFMC).
liquidtight flexible metal conduit allows for use in exposed or concealed locations where flexibility or protection against liquids, vapours or solids is required. It is permitted for use in designated hazardous (classified) locations and may be used for direct burial where listed and marked for this purpose.
liquidtight flexible metal conduit must not be used in areas subject to physical damage.
If liquidtight flexible metal conduit is used to minimize vibration or to provide flexibility for mobile equipment, an equipment earthing conductor must be provided. Otherwise, an internal metal sheath is sufficient.
The waterproof liquidtight flexible metal conduit is a durable alternative wiring method. Where appropriate, it contributes to an attractive appearance in commercial and industrial work, and powers pumps and fixtures in residential environments where moisture and vibration are present.
