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HTO, HTB series safety valves (BZSV)

ReflowX SQU: 554

  • End Date
    25-05-2025
  • Quantity
    500
  • Product Location
    China
  • Supplier
    Beijing Zhonghanghua Safety Valve Sales CO. Ltd
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  • Availability (Lead Time)
    4-6 Weeks
  • Condition
    New
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Description

Purpose: Safety valves are used in pressurized equipment, containers or pipelines as overpressure protection devices. When the pressure in the equipment, container or pipeline rises above the allowable value, the valve automatically opens and then discharges in full to prevent the pressure in the equipment, container or pipeline from continuing to rise; when the pressure drops to the specified value, the valve automatically Close in time to protect the safe operation of equipment, containers or pipelines. The safety valves supplied by our company comply with the following standards: ISO 4123-1 safety valve API STD 526 steel flange connection pressure relief valve API STD 527 pressure relief valve seat sealing ASME "Boiler and Pressure Vessel Code" Volume VIII Volume 1 "Pressure Vessel Construction Rules" specifications and performance: ● Form: Ordinary type, bellows type ● Specifications: 1" D 2"~8" T 10" ● Pressure: 150lb~2500lb ● Temperature: -196℃~+ 538℃ ● Medium: gas, liquid and steam ● Material: carbon steel, stainless steel, special materials ● Set pressure deviation: ≤±3% ● Overpressure: ≤10% (gas medium)/≤20% (liquid medium) ● Start Closed pressure difference: ≤10% (gas medium)/≤20% (liquid medium) ● Sealing performance: in line with the provisions of API Std527 standard Features: ● The inlet and outlet diameters, flange standards, flow channel diameters, and installation dimensions are completely designed and manufactured in accordance with API Std 526 standards, so they are completely interchangeable with products from major foreign manufacturers. ● The valve seat and valve body are separable, making maintenance easy and economical. ● The umbrella-shaped recoil disk can effectively increase the lift force, and the valve disc can quickly fully open under a small overpressure to discharge the medium, thus achieving the purpose of protecting the equipment. ● The adjusting ring can adjust the opening and closing pressure difference satisfactorily. ● Make appropriate selections of materials for the recoil plate and guide sleeve, valve stem and adjustment screws, as well as clearances to ensure flexible movement of the valve disc. ● The sealing surfaces of the valve disc and valve seat are overlayed with hard alloy, and the surfaces are finely ground to ensure high sealing performance and long service life. ● The bellows in the balanced bellows safety valve can eliminate the impact of back pressure fluctuations on valve performance, and can also protect the spring and other internal parts from corrosion by the medium. ● The material selection and processing technology of springs and bellows are exquisite, and strict testing and inspection are carried out.

General Terms

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  • Buyers should verify quantities and conditions upon delivery.
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