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Product Name: Compressible Fluid Service Low Noise Cage type Control Valves

Type: Straight-through, cast globe valve

Size: 1-1/2’’, 2’’, 2-1/2’’, 3’’, 4’’, 6’’, 8’’  

Pressure Rating: ANSI Class 150 ~ Class 600 (PN16~PN100, JIS10K~JIS40K)

Body Material: Carbon steel, Stainless steel, Alloy steel

Operation: Pneumatic diaphragm actuator, Pneumatic piston actuator, Electric actuator



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  • Additional Description

    OVERVIEW

    Model TT-HCN Low-Noise Cage type Control Valves have been designed to remarkably reduce acoustic noise in services of compressible fluids such as steam, air, and natural gas. The cage has a large number of small holes and renders an ideal pressure reduction with a combination in two steps of “restriction” and “diffusion and expansion.” The fluid passage has been designed in S-figure shape for smooth flow of fluid with less pressure loss and a stabilizer is provided as a strainer for flow near the cage, thereby permitting a large Cv value. The valve plug is of a pressure-balanced type which allows control of a high differential pressure with a small actuating force. The actuator is a compact but high output diaphragm motor of a multiple spring type structured in a simple mechanism. The model HCN valves, which are compact but of a low noise type and render high dynamic stability, are suitable especially for control of high temperature, high pressure or high differential pressure process lines.


    SPECIFICATIONS

    Body Type: Straight-through, cast globe valve

    Nominal size: 1-1/2’’, 2’’, 2-1/2’’, 3’’, 4’’, 6’’, 8’’ 

    Pressure rating:

    • JIS 10K, 16K, 20K, 30K, 40K

    • ANSI Class 125, 150, 300, 600

    • JPI Class 125, 150, 300, 600


    End connection

    • Flanged end(FF, RF, RJ, LG)

     • Welded end: SW (1-1/2, 2 inches), BW (2-1/2 to 8 inches)

    Material

    For body/trim material combinations and operating temperature ranges, refer to Table 1 .

    Bonnet

    • Plain bonnet (-17 to 230 °C)

    • Extension bonnet type 1 (-45 to -17 °C and 230 to 566 °C)

    • Extension bonnet type 2. Integral cast type (-100 to -45 °C), Welded type (-196 to -100 °C)

    • Bellows type

    For operating temperature and pressure range, refer to Figure 3.

    Note) Take care not to exceed the operating temperature ranges specified for respective materials.

    Gland type: Bolted gland


    Literature

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