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Featured products

  • V-type Rubber Ring

    V-type Rubber Ring

    Size d1 ×d2×h Size d1 ×d2×h 4 inch 110 × 120.2 × 5.1 18 inch 462 × 478 × 8 6 inch 170 × 183 × 6.5 470 × 486 × 8 8 inch 221.5 × 234.5 × 6.5 20 inch 498 × 514 × 8 10 inch 257 × 270 × 6.5 519 × 535 × 8 274.5 × 287.5 × 6.5 525 ×541 × 8 12 inch 327 × 340 × 6.5 24 inch 605 × 621 × 8 330 × 343 × 6.5 619 × 635 × 8 14 inch 358 × 371 × 6.5 28 inch 724 × 740 × 8 367.5 × 380.5 × 6.5 30 inch 777 × 793 × 8 16 ...

  • O-type Rubber Ring

    O-type Rubber Ring

    Internal Diameter d1 Tolerances ± 10 – 20 0.13 20 - 30 0.14 30 - 40 0.22 40 - 50 0.36 50 - 65 0.44 65 - 80 0.53 80 - 120 0.65 120 -180 0.90 180 – 250 1.20 250 -315 1.60 315 – 400 2.10 400 – 500 2.60 500 – 630 3.20 630 – 750 4 Wire Diameter d2 Tolerances ± 1.8 0.08 2 0.09 2.4 3.1 3.53 0.10 4 4.5 5 0.12 5.33 5.5 ...

  • Rubber Sealing Ring

    Rubber Sealing Ring

    Characteristic: Technical Parameters

  • Tilted Plate Rubber Sealed Butterfly Valve

    Tilted Plate Rubber Sealed Butterfly Valve

    Characteristic: Working Principle: Technical Parameters

  • Carbon Steel Flanged Flexible Rubber Joint for absorbing pipe displacement

    Carbon Steel Flanged Flexible Rubber Joint for ...

    Performance Characteristics Applicable Medium Technical Parameters

  • District Heating Fully Welded Ball Valve

    District Heating Fully Welded Ball Valve

    Product Details Performance Characteristics Applicable Medium Mainly suitable for natural gas, hot water Structure This type of ball valve mainly consists of body, adapter, ball, stem, seal ring seat, actuator, etc. Technical Parameters

  • Casting / Forged Floating Ball Valve for sour, water & gas medium

    Casting / Forged Floating Ball Valve for sour, ...

    Product Details Performance Characteristics Applicable Medium Mainly suitable for oil, natural gas and other sour medium, as well as water, air etc. Appearance structure diagram Technical Parameters

  • Flanged / Wafer Type Triple Eccentric Butterfly Valve for sour and alkaline medium

    Flanged / Wafer Type Triple Eccentric Butterfly...

    Product Details Valve Structure Performance Characteristics Applicable Medium Technical Parameters

  • Tilted Plate Metal Seated Slow Closed Check Valve

    Tilted Plate Metal Seated Slow Closed Check Valve

    Performance Characteristics Applicable Medium Technical Parameters

  • Metal Seated Bi-directional Butterfly Valve

    Metal Seated Bi-directional Butterfly Valve

    Principles of double eccentric structure The function of double eccentric structure When the butterfly plate is in the process of on/off valve and the valve is in full open state, the sealing surface is completely detached, especially a large gap near the sealing seat of the valve stem, so as to reduce the wear and abrasion of the valve sealing surface, protect the main seal rubber ring of the butterfly valve, and extend the service life. Performance Characteristics Applicable Medium Technica...

  • Pipeline System Trunnion Mounted Ball Valve

    Pipeline System Trunnion Mounted Ball Valve

    Performance Characteristics The body of Pipeline ball valve with trunnion mounted structure is forged structure, and the body can be in BB (Bolted Body) connection and WB (Welded Body) connection. The ball valve has the characteristics of large strength, good sealing, free maintenance and long service life. This series of ball valves in accordance with the advanced material standards, choose high quality materials and adopt advanced production and processing technology. Through first-class de...

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About Us

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Description:

Shanghai Shengyu valve co., Ltd. is located in the beautiful Qingcun Qianqiao Economic Development Zone in Fengxian, Shanghai, adjacent to the Oriental Financial Town. It is about 45 minutes away from Shanghai Pudong International Airport, Shanghai Hongqiao Transportation Hub Center and the famous Shanghai Disneyland. At the same time, it is easily drive 25 minutes to the gold coast of Shanghai – “ the Bihai Sands” Bay Tourism Area and the Bay National Forest Park.

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NEWS

  • Conversion of the Relationship between Valve Differential Pressure and Nominal Pressure and Pound Class

    Differential Pressure The pressure difference usually refers to the pressure difference between two points of the valve in the pipeline, such as the pressure difference before and after the valve, and the pressure difference on both sides of the double flange, etc. It is not easy to calculate the...

  • What should enterprises do when valve leakage occurs in use? (II)

    III. Leakage of sealing surface Cause:   1. The sealing surface is ground unevenly and cannot form a sealing line;   2. The top center of the connection between the valve stem and the closing part is suspended, out of alignment or worn;   3. The valve stem is bent or improperly assembled, which...

  • What should enterprises do when valve leakage occurs in use? (I)

    I. Leakage due to falling off of closing parts Cause:   1.  Improper operation will cause the closing part to jam or exceed the limit point, and the connection is damaged and broken;   2. The closing part is not firmly connected and falls off due to looseness;   3. The material of the selected co...

  • Selection and Scope of Eight (8) Types of Flange Gaskets (V)

    06 Metal Spiral Wound Gasket The metal spiral wound gasket ingeniously utilizes the heat resistance, resilience and strength of metal and the flexibility of non-metallic materials, so the sealing performance is good, and the performance of stainless steel spiral wound flexible graphite gasket is ...

  • Selection and Scope of Eight (8) Types of Flange Gaskets (IV)

    04 Asbestos Resin Board and Impregnated Asbestos Board Gasket It is mainly used for pipes, pumps, valves, inlet and outlet flanges of various acid media, with the service temperature of 80 ℃ and the pressure below 0.6MPa. Asbestos woven gasket is applicable to low pressure and high temperature c...