Safety Head And Rupture Disc

  • Description
Product Detail

Shenzhen IVS Flow Control Co.,Ltd is one of the leading safety head and rupture disc manufacturers and suppliers in China, welcome to wholesale customized safety head and rupture disc from our factory.

High Pressure Safety Heads up to 60,000 PSI
The male inlet design can be inserted directly into the tubing connections of valves and various fittings such as tees and crosses, or located in pressure vessels.
Outlet connections are 3/8" pipe (NPT). This outlet may be connected to a suitable discharge line to vent pressure to a safe location in the event of bursting of the rupture disc. Torque required for sealing rupture discs will range from 40 to 90 foot pounds, depending upon pressure and media being used.
Material of body and hold down nut is high tensile 316 stainless steel. Standard tubing glands and collars are provided unless otherwise specified.

FEATURES & BENEFITS

Safety head assemblies and rupture discs are available in two styles:

  • The 1/4A style features a 1/4" blow-out diameter, an angular seat and can be ordered in pressures from 900 to 60,000 PSI (6.2 to 414MPa).

  • The 1/2F style features a 1/2" blow-out diameter, a flat seat and can be ordered in pressures from 500 to 10,000 PSI (3.4 to 69MPa). This style also has a reversible hold-down ring which greatly reduces the possibility of premature disc failure associated with installation errors inherent in some designs.

  • Note: Rupture discs are not included and must be ordered as a separate item.
    TYPICAL APPLICATIONS
    Gas
    Liquid
    Fluid handling for the chemical/petrochemical, research, and oil and gas industries
    TYPICAL MATERIALS
    316 Stainless Steel
    Other materials available on request
    ORDERING SAFETY HEADS


         
     Safety Head - 1/4" ANGLED DISC


    Pressure

    Input Connection

    Output Connection

    Safety Head Model

    Rupture Discs (1/4"A)

    15000Psi (103MPa)

    1/8" NPT

    3/8" NPTF

    15SHNMA-A

    A

    1/4" NPT

    3/8" NPTF

    15SHNMB-A

    A

    3/8" NPT

    3/8" NPTF

    15SHNMC-A

    A

    1/2" NPT

    3/8" NPTF

    15SHNMD-A

    A

    10000 Psi (69MPa)

    3/4" NPT

    3/8" NPTF

    10SHNMF-A

    A

    1" NPT

    3/8" NPTF

    10SHNMH-A

    A

    20000 Psi(138MPa)

    1/4" UNF

    3/8" NPTF

    20SHMM4-A

    A

    3/8" UNF

    3/8" NPTF

    20SHMM6-A

    A

    9/16" UNF

    3/8" NPTF

    20SHMM9-A

    A

    3/4" UNF

    3/8" NPTF

    20SHMM12-A

    A

    1" UNF

    3/8" NPTF

    20SHMM16-A

    A

    60000 Psi(414MPa)

    1/4" UNF

    3/8" NPTF

    60SHMM4-A

    A

    3/8" UNF

    3/8" NPTF

    60SHMM6-A

    A

    9/16" UNF

    3/8" NPTF

    60SHMM9-A

    A

     Safety Head - 1/2" FLAT DISC


    Pressure

    Input Connection

    Output Connection

    Safety Head Model

    Rupture Discs (1/2"F)

    15000 PSI (103MPa)

    1/8" NPT

    3/8" NPTF

    15SHNMA-F

    F

    1/4" NPT

    3/8" NPTF

    15SHNMB-F

    F

    3/8" NPT

    3/8" NPTF

    15SHNMC-F

    F

    1/2" NPT

    3/8" NPTF

    15SHNMD-F

    F

    10000 PSI (69MPa)

    3/4" NPT

    3/8" NPTF

    10SHNMF-F

    F

    1" NPT

    3/8" NPTF

    10SHNMH-F

    F

    20000 PSI (138MPa)

    1/4" UNF

    3/8" NPTF

    20SHMM4-F

    F

    3/8" UNF

    3/8" NPTF

    20SHMM6-F

    F

    9/16" UNF

    3/8" NPTF

    20SHMM9-F

    F

    3/4" UNF

    3/8" NPTF

    20SHMM12-F

    F

    1" UNF

    3/8" NPTF

    20SHMM16-F

    F

    60000 PSI (414MPa)

    1/4" UNF

    3/8" NPTF

    60SHMM4-F

    F

    3/8" UNF

    3/8" NPTF

    60SHMM6-F

    F

    9/16" UNF

    3/8" NPTF

    60SHMM9-F

    F

    High Pressure Rupture Discs

     

    Rupture discs are available in a wide range of burst ratings. Factors such as corrosion, fatigue and temperature may affect the burst pressure of the disc and cause premature failure. This problem may sometimes be overcome by frequent replacement of the disc. All rupture discs rated over 500 PSI (3.4MPa) have a manufacturing tolerance of minus 3% under to plus 6% over the specified rupture pressure rating.

    ORDERING RUPTURE DISCS


         
    Style
    A=1/4" Angled
    F=1/2" Flat

    Material
    AL=Aluminum
    IN=Inconel
    MO=Monel
    NI=Nickel
    SI=Silver
    SS=316SS
    TI=Titanium

    Pressure
    List desired pressure at 72°F (21°C) in KSI.

    1.Standard Burst Pressures (in Psi at 21°C)

    1000 PSI

    3000 PSI

    5000 PSI

    7000 PSI

    9000 PSI

    11000 PSI

    17500 PSI

    25000 PSI

    37500 PSI

    55000 PSI

    1500 PSI

    3500 PSI

    5500 PSI

    7500 PSI

    9500 PSI

    11500 PSI

    18000 PSI

    27000 PSI

    40000 PSI

    60000 PSI

    2000 PSI

    4000 PSI

    6000 PSI

    8000 PSI

    10000 PSI

    12500 PSI

    20000 PSI

    30000 PSI

    45000 PSI

    65000 PSI

    2500 PSI

    4500 PSI

    6500 PSI

    8500 PSI

    10500 PSI

    15000 PSI

    22500 PSI

    35000 PSI

    50000 PSI

    2.Standard Burst Pressures (in Mpa at 21°C)

    7 Mpa

    21 Mpa

    34 Mpa

    48 Mpa

    62 Mpa

    76 Mpa

    121 Mpa

    172 Mpa

    259 Mpa

    379 Mpa

    10 Mpa

    24 Mpa

    38 Mpa

    52 Mpa

    66 Mpa

    79 Mpa

    124 Mpa

    186 Mpa

    276 Mpa

    414 Mpa

    14 Mpa

    28 Mpa

    41 Mpa

    55 Mpa

    69 Mpa

    86 Mpa

    138 Mpa

    207 Mpa

    310 Mpa

    448 Mpa

    17 Mpa

    31 Mpa

    45 Mpa

    59 Mpa

    72 Mpa

    103 Mpa

    155 Mpa

    241 Mpa

    345 Mpa

    Examples:
    An Inconel disc rated for 12,000 PSI in 1/4" Angled style would be ordered as RD12000-A-IN
    An Aluminum disc rated for 750 PSI in 1/2" Flat style would be ordered as RD750-F-AL

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Shenzhen IVS Flow Control Co.,Ltd

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