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Wafer Type Butterfly Valve, Pneumatic Actuator
Lugged Butterfly Valve
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water

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Mining
pneumatic actuator wafer butterfly valve.jpg
Pneumatic wafer butterfly valve with limit switch, nylon spray disc.jpg
Fork type pneumatic DN500 wafer butterfly valve with limit switch, nylon spray disc.jpg

Wafer Type Butterfly Valve, Pneumatic Actuator

Pneumatic wafer butterfly valve is an automated device that uses compressed air as a power source to drive the butterfly valve to achieve rotational motion. According to the internal structure, it is mainly divided into rack & pinion type and scotch yoke type.

For butterfly valves with low torque, gear rack pneumatic actuators are usually selected. Pneumatic actuators can be divided into single acting actuators (spring return type) and double acting actuators. Pneumatic butterfly valves can be equipped with solenoid valves, positioners, limit switches, filters, handwheel mechanisms, etc. according to actual needs, excluding cylinders. Pneumatic actuators are inherently safe and explosion-proof, suitable for flammable and explosive environments, with no risk of electric sparks, and have lower costs than electric actuators. But it relies on a compressed air supply system and has low accuracy.

single acting pneumatic butterfly valve, double acting pneumatic butterfly valve, gear rack pnrumatic butterfly valve

Series: KF-DF-A-P

Type: Concentric Resilient Seated

Size: DN50-500mm, NPS 2"-20"

Design Standard: EN 593, API 609

Pressure Rating: PN10/PN16/125LB/150LB

Certificate: ISO, CE, WRAS, ACS

Sample: Available

Service: OEM & ODM

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    Features
    Specifications
    Dimension

    Features

    Operation Cycles

    Over 100,000 times

    Leakage Level

    Bubbles-tight sealing with no leakage

    Low Torque

    Operation easy and flexible

    Bidirectional Sealing

    Any installation position

    Lower Cost

    Simple and compact structure with high cost-effectiveness

    Low Flow Resistance

    Improve fluid efficiency and reduce energy consumption

    Sealing Materials

    Rich variety over 15 types

    Coating Grade

    Conventional and special conditions of C1-C5 & CX

    Wide Application

    Water treatment, petrochemicals, Marine vessels, mining, electricity etc

    Certificates

    ISO9001, CE, WRAS, ACS

    Specifications

    Design Standard

    EN 593 API 609

    Top Flange Standard

    ISO 5211

    End Flange Standard

    EN1092 PN10/16, ANSI 125LB/150LB, JIS 10K

    Face to Face Dimension

    API 609, EN558-1 Series 20, BS5155, DIN3202 K1

    Testing Standard

    API 598, EN12266

    Temperature

    -20℃~120℃ (depends on the sealing material)

    Body Material

    Ductile Iron(GGG40), Carbon Steel(WCB)

    Disc Material

    Ductile Iron, Stainless Steel

    Shaft Material

    Stainless Steel, Aluminum Bronze, Inconel

    Seat Materia

    EPDM, NBR, WRAS EPDM, VITON, Silicone

    Pneumatic Actuator

    Double acting/single acting (spring return)

    Actuator Structure

    Rack and Pinion type, Scotch Yoke type

    Dimension

    Drawing- wafer butterfly valve

    Size

    D

    □T

    PN10

    PN16

    ANSI 150LB

    Top
    Flange

    Ф D 1

    n - Ф d

    Ф D 1

    n - Ф d

    Ф D 1

    n - Ф d

    DN50

    43

    9*9

    125

    4-19

    125

    4-19

    120.6

    4-19

    F05

    DN65

    46

    9*9

    145

    4-19

    145

    4-19

    139.7

    4-19

    F05

    DN80

    46

    9*9

    160

    4-19

    160

    4-19

    152.4

    4-19

    F05

    DN100

    52

    11*11

    180

    4-19

    180

    4-19

    190.5

    4-19

    F07

    DN125

    56

    14*14

    210

    4-19

    210

    4-19

    215.9

    4-22.4

    F07

    DN150

    56

    14*14

    240

    4-23

    240

    4-23

    241.3

    4-22.4

    F07

    DN200

    60

    17*17

    295

    4-23

    295

    4-23

    298.4

    4-22.4

    F10

    DN250

    68

    19*19

    350

    4-23

    355

    4-28

    361.9

    4-25.4

    F10

    DN300

    78

    22*22

    400

    4-23

    410

    4-28

    431.8

    4-25.4

    F10

    DN350

    78

    22*22

    460

    4-23

    470

    4-28

    476.2

    4-28.4

    F10

    DN400

    102

    27*27

    515

    4-28

    525

    4-31

    539.7

    4-28.4

    F14

    DN450

    114

    27*27

    565

    4-28

    585

    4-31

    577.8

    4-31.8

    F14

    DN500

    127

    36*36

    620

    4-28

    650

    4-34

    635

    4-31.8

    F14

    Product display

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    VT series rack & pinion pneumatic actuator

    VT series pneumatic actuator​

    The VT series pneumatic actuator displays a sleek, compact design, facilitating easy integration and offering extensive customisation possibilities. This actuator ensures high precision and reliable control across various output torques, and includes mounting accessories compliant with the NAMUR standard. The VTN series is designed to enhance its lifecycle through an intelligent structural design and superior engineering features. It offers a wide range of output torques to meet the diverse needs of our customers.
    Models: Double Acting & Spring Return
    Diameter Range (mm): 32 to 400
    Weight Range (kg): 220VAC/120VAC,50/60Hz±10% or 24VDC…
    Body Materials: Aluminium Alloy, 45# Steel, Advanced Polymer, Stainless Steel, NBR, & Spring Steel
    Certifications: ISO 9001:2015, SGC MD 2006/42/EC, ATEX TUV NORD, & Bureau Veritas SIL 3
        wafer butterfly valve seat

        Choose Your Seat​

        Material Applications Temperature
        EPDM Water, Sea Water, Alcohols, Organic Salt Solutions, Mineral Acid Solutions, Mineral Based Alkalines -20°C +110°C
        WRAS / ACS EPDM Drinking Water -20°C +110°C
        NBR Buna Mineral & Vegetable Oils, Gas, Non Aromatic Hydrocarbons, Animal Fats, Vegetable Fats, Air -10°C +80°C
        Hypalon Mineral Acid Solutions, Organic & In-Organic Acids, Oxidising Solutions -10°C +80°C
        Viton Acids, Fats, Hydrocarbons, Vegetable & Mineral Oils, Fuels -5°C +150°C
        HNBR Mineral oils, vegetable oils, natural gas, solid vegetable oils, alicyclic hydrocarbons, animal fats, air, mineral acid solutions, mineral alkaline solutions -55°C +150°C
        Silicone Low & High Temperature Resistance Applications -30°C +150°C
        High Temp Silicone Super Heated Water -50°C +160°C

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