Insulating flange is a generic term of pipe flange joints with requirements in sealing performance of buried steel pipes and electrical insulating properties of electro- Corrosion pipes. It includes a pair of steel flanges, A flange fastener, Including and sealing article pipe between two flanges with each other end welded.
The insulating flanges and other joints are specially designed and produced for petroleum, Chemical and other industries related by us. With their simple structures, Safe operation and reliable performance, They have always enjoyed a great popularity among all customers. These insulating flanges have already matured, And in case of any special requirements. They may be customized upon all customers’ Demand.
Usage
Insulating flanges are mainly applied to gas transmission pipeline, Gas regulator, Gauges, Storages, Etc. , With their main functions to separate and insulate different segments of gas transmission corrosion and prolong their service life. Follow the standard SY/ T 0516- 1997 “ The technical of design for insulating flange” .
Category
These products may be classified into two groups by the insulating sealing parts, Which are specific- Pressure sealed insulating flanges(for short, 1type insulating flanges)and self- Tightening seal insulating flanges(for short, 2type insulating flanges). Scope of application of the 1type insulating flanges: Nominal pressure (PN)≤ 2. 5MPa.
Features
1. With electrical insulating properties of electro- Corrosion pipes.
2. With durable and reliable performance at a designed temperature and pressure for pipeline medium, Sufficient strength and good air- Proof ability.
3. With rational structure, Easy assembly/ Disassembly and replacement.
Mainly Specification
1. Suitable for nature gas, City gas, LPG and gently oil。
2. Medium Temperature: - 10° - - +60℃
3. Ambient Temperature: - 20° - - +60℃
4. Insulating Resistance: ≥ 500KΩ
5. Breakdown Voltage: ≥ 3KV
6. Pressure Range: PN0. 6MPa PN1. 0MPa PN2. 5MPa.
7. Space: DN50— DN1200.
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