CIS carries a generous selection of stainless steel butterfly valves, which are ideal for many industrial applications. We carry Max-Seal resilient seat valves in three categories: ISO Series, Chem Tek Series, and Chem Flo Series. The ISO Series is designed for direct mount automation. The Chem Tek Series valves have a corrosion-resistant body. The Chem Flo Series is PDFE-lined for high corrosion and high purity. Valves are available in sizes from 2” to 12”.
Chem-Tek Series Model 53 Butterfly Valve (Stainless Steel Body) | |||||
Brand | Model | Body Material | ANSI Class | Valve Type | |
MaxSeal | Chem-Tek 53 | Stainless Steel | 125/150 | Semi-Lug Style | |
Size Range | Seat Material | Disc Material | |||
2" - 12" |
Buna-N, EPDM, Viton, or Teflon |
Stainless Steel, |
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ISO Series Butterfly Valves (Stainless Steel Options) | |||||
Brand | Model | Body Material | ANSI Class | Valve Type | |
MaxSeal | ISO 51I (Wafer) ISO 52I (Lug) |
Stainless Steel | 125/150 | Wafer and Lug Styles | |
Size Range | Seat Material | Disc Material | |||
1 1/2" - 48" | Buna-N, EPDM, Viton, or PTFE |
Stainless 316, Stainless 304, Ductile Iron, or Aluminum Bronze |
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Chem-Flo Series Butterfly Valves (Stainless Steel Options) | |||||
Brand | Model | Body Material | ANSI Class | Valve Type | |
MaxSeal | Chem-Flo 25 (Wafer) and 26 (Lug) |
Stainless Steel | 150 | Wafer and Lug Styles | |
Size Range | Seat Material | Disc Material | |||
2" - 12" | Teflon, EPDM, NBR, and Viton |
PTFE-Coated SS, Stainless 316, Alloy 20, or Duplex |
Why Choose Our High Performance (SS) Butterfly Valves?
When you need the highest-performance valves, you go with stainless steel. Stainless steel is one of the most versatile materials for manufacturing and fluid processing because of its wide range of compatibility. In fact, stainless steel has compatibility ratings of “Good” to “Excellent” for most chemical and compounds, even some of the harshest that exist. Stainless steel is also strong. It can withstand extremely high pressures, up to 1000psi WOG, and temperatures, around 2000F (1093C). You would be hard-pressed to create an environment too hot for stainless steel.
These stainless steel valves are butterfly valves, specifically. This means they have a disk inside that rotates 90 degrees around a central stem to open and close. When the disk is parallel to the flow, the valve is open. When the disk is perpendicular to the flow, the valve is closed. The disk on both sides of the stem looks a little like wings and is what gives the butterfly valve its name. In the pharmaceutical, chemical, and food industries, butterfly valves are often used to interrupt flow within a process. Butterfly valves are often actuated specifically for desired flow rates.
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