Removable gate valve insulation sleeve - core technical parameters
This product strictly follows industrial standards in material selection and structural design to ensure long-term stable operation under harsh working conditions. The following are the main technical parameters of the insulation sleeve for standard gate valves:
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parameter name
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Specification indicators
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Remarks
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Applicable temperature range
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-70 ℃ to+1000 ℃
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Based on the selection of inner and insulation layer materials
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thermal conductivity
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0.018 ~ 0.035 W\/(m·K)
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Aerogel material has the lowest thermal conductivity
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fire rating
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A-level (non combustible)\/B1 level (flame retardant)
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Complies with the GB 8624 standard for combustion performance of building materials
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Insulation thickness
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20mm \/ 30mm \/ 50mm
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Customizable according to temperature differences and energy-saving requirements of the pipeline network
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Outer protective performance
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Waterproof, oil resistant, acid and alkali resistant corrosion
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Using PTFE or silicone coated fiberglass cloth
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service life
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More than 5 years
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Under normal disassembly and assembly frequency
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Removable gate valve insulation sleeve - structure and material analysis
The excellence of the gate valve insulation sleeve lies in its scientific three-layer composite structure design. Each layer of material has been optimized for specific physical and chemical environments.
The inner lining layer (contact layer) is in direct contact with the high-temperature valve body and mainly bears thermal shock and mechanical friction. Usually, high-temperature resistant silicone tape or stainless steel wire mesh woven fabric is used. This material not only has an extremely high temperature resistance limit, but also effectively prevents burrs on the surface of the valve body from damaging the internal structure of the insulation sleeve.
The middle insulation layer (core layer) is the core to block the heat transfer. The middle layer mostly uses silica gas gel felt, high-density rock wool or ceramic fiber blanket. Among them, the aerogel material, due to its extremely low thermal conductivity, can significantly reduce the volume and weight of the insulation sleeve on the premise of achieving the same thermal insulation effect, especially suitable for the pipe gallery environment with limited space.
The outer protective layer (environmental layer) is directly exposed to industrial environments and requires excellent weather resistance and protective capabilities. The standard configuration is PTFE coated fiberglass cloth or silicone coated cloth. This coating endows the insulation sleeve with excellent waterproof, oil proof, and UV aging resistance, while also facilitating daily cleaning and maintenance.
Detachable gate valve insulation sleeve - economic benefits and application value
In modern industrial energy-saving transformation, the investment return rate of valve insulation is extremely high. Taking a steam pipeline with an operating temperature of 150 ℃ as an example, a DN100 flange gate valve without insulation has a surface heat dissipation equivalent to that of a bare pipe with the same diameter of 1.5 meters.
After installing the detachable insulation sleeve, the surface temperature of the valve can be reduced to below 50 ℃, and the comprehensive energy saving rate can reach 20% to 35%. According to thermodynamic calculations, a single DN100 gate valve can save about 0.5 tons of standard coal per year, equivalent to an economic benefit of about 1500 yuan. Normally, companies can recover the procurement cost of insulation sleeves within 3 to 6 months. In addition, the widespread application of insulation sleeves can effectively reduce workshop environmental temperature, reduce summer air conditioning cooling load, and fundamentally eliminate the risk of high-temperature burns for operators, significantly improving the HSE (Health, Safety, and Environment) management level of enterprises.
Detachable gate valve insulation sleeve - applicable fields
This product is widely applicable to the following industrial fields and equipment:
Petrochemical industry: thermal oil pipelines, inlet and outlet valves for reaction vessels.
Cogeneration: main steam pipeline network, drain valve, temperature and pressure reduction device.
Food and pharmaceuticals: CIP cleaning system, high-temperature sterilization pipeline (can provide food grade outer layer materials).
Rubber and plastic manufacturing: valves for vulcanizing machines, injection molding machines, and extruders.