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Keystone BrewSeal Butterfly Valves

Resilient seated Butterfly valves DN 40 - 800 wafer and lugged versions, optimized for the food and beverage industry.Keystone BrewSeal is a wafer/lug soft-seal butterfly valve exclusively designed by Emerson for hygienic applications including food, beverage, brewing, and dairy. 

Details

Features

1.Top bushing absorbs actuator side thrust loads.

2.Dirtscraper prevents moisture penetrating into the shaft area.

3.Actuator flange acc. ISO 5211.

4.High solid, glossy, silicone free, paint system ensuring excellent corrosion resistance.

5.Body locating holes ease installation and centering between the flanges.

6.Sealed body splits prevent moistures from penetrating behind the seat (up to DN 300).

7.Rounded polished disc edge gives full concentric sealing, lower torques, longer seat life and bubble-tight shut-off.

8.The seat is field replaceable and fully isolates the body and stem from the flow.

9.Primary stem sealing exceeds the pressure rating of the valve and prevents leakage through shaft area to atmosphere.

10.A secondary shaft sealing provides back-up safety.

11.A molded-in O-ring in the seat for flange sealing eliminates the need for gaskets.

12.The thin disc provides the very small obstruction to flow (up to DN 300).


Specifications

Certifications

PED

End Connection

Lugged, Wafer

Application

Beverages, Brewing

Material

Cast Iron, 316 Stainless Steel, EPDM Rubber, Teflon

Operating Temperature

Less than 150 C

Pressure Class

PN

Process Connection Type

PN16

Seat/Seal Type

Resilient

Shutoff Class

Zero Leakage

Valve Size

NPS 1-1/2 / DN 40, NPS 2 / DN 50, NPS 2-1/2 / DN 65, NPS 3 / DN 80, NPS 4 / DN 100, NPS 6 / DN 150, NPS 8 / DN 200, NPS 10 / DN 250, NPS 12 / DN 300, NPS 14 / DN 350, NPS 16 / DN 400, NPS 18 / DN 450, NPS 20 / DN 500, NPS 24 / DN 600

Valve Size Standard

DN

Valve Type

Butterfly

Media

Liquids

Stem

O-ring


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Pictures show


Application area

能源

化工

矿业