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Cast Iron Diaphragm Valve with Flanged End
Other Valve And Fittings

Cast Iron Diaphragm Valve with Flanged End

Size Range: 2" to 72"

Material: Cast iron, Ductile iron, CF8, CF8M

Seat: EPDM, PTFE

Disc: Cast Iron, Cast Steel, CF8

Pressure: 10bar

Flange connection: PN10 / PN16 / Class 150

Working temperature: -25°C / +125°C

Description

The Cast iron diaphragm valve is a type of linear motion valve designed to control, regulate, and shut-off fluid flow reliably in industrial piping systems

    Product Details

    The Cast iron diaphragm valve features a flexible elastomer diaphragm that seals against the valve seat, providing a tight, leak-proof shut-off without metal-to-metal contact. Diaphragm valves are widely used in water, wastewater, chemical processing, and industrial applications where leakage resistance and corrosion performance are critical.

    This diaphragm valve features a flanged end connection, offering straightforward installation and secure integration into pipeline systems built to standard flange dimensions. Manufactured according to recognized international pressure standards such as PN10/PN16 (or ASA 150#), it supports a broad range of nominal sizes from ½″ to 12″, accommodating diverse piping requirements.

    Key design features include a non-rising hand wheel operation, smooth – straight through flow path and a flexible diaphragm that isolates the process fluid from moving components, effectively minimizing contamination and wear. This design makes the valve especially suitable for handling clean, corrosive, particle-laden or sensitive media in chemical processing, water treatment, pharmaceutical manufacturing, food and beverage, and general industrial services.

    Key Features

    Robust Cast Iron Construction: Heavy-duty cast iron body provides excellent mechanical strength, high durability, and long service life in demanding industrial environments.

    Positive Leak-Free Sealing: Flexible diaphragm isolates the fluid from the valve’s internal moving parts, ensuring tight shut-off and minimizing leakage, even with corrosive or particulate media.

    Flanged End Connections: Standard flanged ends (PN10/PN16 or ANSI equivalents) enable secure, easy installation and reliable integration with existing pipeline systems.

    Versatile and Low-Maintenance Design: Simple hand wheel operation with smooth flow paths, corrosion-resistant sealing materials.

    Specification

    No.

    Part Name

    Material

    1

    Body

    GG25

    2

    Linging

    NR

    3

    Diaphragm

    NR

    4

    Bolt

    Steel

    5

    Disc

    GG25

    6

    Bonnet

    GG25

    7

    Shaft

    Steel

    8

    Sleeve

    ABS

    9

    Sleeve

    ABS

    10

    Pin

    Steel

    11

    Handle

    GGG40

    Dimensions

    DN

    50

    65

    80

    100

    125

    150

    D

    165

    185

    200

    220

    250

    283

    L

    194

    216

    258

    309

    362

    412

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