Keystone BrewSeal Butterfly Valves

Resilient seated Butterfly valves DN 40 – 800 wafer and lugged versions, optimized for the food and beverage industry

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Description

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 4 / DN 100, NPS 3 / DN 80, NPS 24 / DN 600, NPS 2-1/2 / DN 65, NPS 2 / DN 50, NPS 18 / DN 450, NPS 16 / DN 400, NPS 6 / DN 150, NPS 20 / DN 500, NPS 10 / DN 250, NPS 1-1/2 / DN 40, NPS 12 / DN 300, NPS 8 / DN 200, NPS 14 / DN 350
Valve Size Standard
DN
Valve Type
Butterfly
Media
Liquids
Stem
O-ring

 

Features

  • Top bushing absorbs actuator side thrust loads.
  • Dirtscraper prevents moisture penetrating into the shaft area.
  • Actuator flange acc. ISO 5211.
  • High solid, glossy, silicone free, paint system ensuring excellent corrosion resistance.
  • Body locating holes ease installation and centering between the flanges.
  • Sealed body splits prevent moistures from penetrating behind the seat (up to DN 300).
  • Rounded polished disc edge gives full concentric sealing, lower torques, longer seat life and bubble-tight shut-off.
  • The seat is field replaceable and fully isolates the body and stem from the flow.
  • Primary stem sealing exceeds the pressure rating of the valve and prevents leakage through shaft area to atmosphere.
  • A secondary shaft sealing provides back-up safety.
  • A molded-in O-ring in the seat for flange sealing eliminates the need for gaskets.
  • The thin disc provides the very minimum obstruction to flow (up to DN 300).

Brand

Keystone

Long Lasting Butterfly Valves with a Sturdy Reputation

Emerson’s Keystone offer a complete range of butterfly valves from general purpose through to heavy duty and high performance models. With a tradition of more than 70 years, Keystone built its reputation on providing industrial process butterfly valves known for their reliability, long service life, and reduced operating costs. Independent, third-party life-cycle testing has shown that Keystone resilient-seated butterfly valves last 2.5 times longer than competitors' butterfly valves.  
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