20*500钢丝编织防爆挠性连接管夹布橡胶扰性穿线管4分防爆绕性管

2. Suitable for IIA, IIB explosive gas environment;
3. 3. Suitable for combustible dust environment in 20,21 and 22 zones.
4. 4. Suitable for explosive gas mixing temperature: T 1 ~ T 4; 5. Widely used in oil exploitation, oil refining, chemical, military and other dangerous environment and offshore oil platforms, tankers and other dangerous places for work and scene lighting purposes; Rubber tube explosion-proof flexible connecting pipe, stainless steel explosion-proof flexible connecting pipe, plastic explosion-proof flexible connecting pipe, features: 1, with fire-resistant, corrosion-resistant, water-resistant, anti-aging, good flexibility, solid structure, reliable and other advantages. 2, flexible tube length, thread size can be according to the needs of special processing. NPT thread, metric thread, etc. . Note: internal and external threads should be noted when marking thread specifications. For example: BNG-700 × G 3/4(inside)/g 1(outside) means a rubber sheathed flexible connecting pipe with length of 700, one end of internal thread G 3/4 and one end of external thread G 1. 3. Meet the requirements of GB3836-2000, IEC 60079. When purchasing and marking thread specifications, it should indicate internal and external threads, such as NGdII-1000 × g 3/4”(internal)/g”(external) , i. e. length of 1000mm, g3/4” internal thread at one end and G1” external thread at the other end