Butterfly Valve - Series 200 - 4" - Assembly - Ductile Iron Body - Ductile Iron Disc - Stainless Steel Stem - Black NBR Seat - Complete with SR Pneumatic Actuator (Valve Will Ship Assembled)
The Series 200 Butterfly Valve is a one-piece body with a two-piece disc and stem. This valve is a good value and often used in abrasive applications when more frequent valve replacement occurs. The one-piece body is available in Aluminum, Powder-Coated Ductile Iron, or Stainless steel. The two-piece stem is available in 255/316 Stainless Steel and provides dependable operation. Low Torque Seat Design is available in a wide range of materials, including Black Buna, Black EPDM, FKM (Viton®), White Buna, and a Square Shoulder profile. Sizes 2" to 8". The Top Plate is universal, accepting most actuators and eliminating the need for an adapting flange. Several sizes in the 200 Series accommodate TTMA and ANSI bolt patterns.
- One Piece Body
- Two Piece Disc Stem
- Low Torque Seat Design
- Universal Top Plate accepts most standard Actuators
|
Seat Properties |
|
Seat Material |
Temperature Range |
Application |
|
Black Nitrile (BN) |
-20° F to 226°F |
Resistant to oil, fuel and other chemicals |
|
White Nitrile (WN) |
-20° F to 200°F |
Resistant to oil, fuel and other chemicals |
|
Black EPDM (BE) |
-70° F to 300°F |
Resistant to ozone, water, steam, alkalis/acids, salt solutions and oxygenated solvents |
|
Brown FKM (Viton®) (BV) |
0° F to 350° F |
All aromatic, aliphatic, halogenated hydrocarbons, petroleum oils, fuels, ozone, lubricants and animal or vegetable oils |
| Actuator Bolt Hole Circle | 3.25" |
| Actuator Bolt Hole Diameter | 5/16-18 |
| Actuator Height | 5 1/2" |
| Actuator Output Torque | 100 PSI | Start 843 - End 674 (lb-in) 120 PSI | Start 649 - End 549 (lb-in) 60 PSI | Start 357 - End 189 (lb-in) |
| Actuator Springs | 9 |
| Actuator Standards | Accessory Mounting is in accordance with NAMUR-VDI/VDE Air Supply Connection complies with NAMUR Bottom Connection is in accordance with ISO5211 Multi-position Indicator complies with NAMUR Standard Multi-position Indicator complies with VDI/VDE3845 |
| Actuator Stem Bore | .629" x .441" |
| Actuator Valve Size | 4" - 6" |
| Actuator Weight | 9.5 lbs |
| Actuator Width | 9 5/8" |
| Body | Ductile Iron |
| Body Flange OD | 6.775" |
| Bolt Hole Circle | 5.875" |
| Disc | Ductile Iron |
| Disc Height | 4.015" |
| Seat | Black Nitrile |
| Series | 200 |
| Size | 4" |
| Stem | Stainless Steel Stem |
| Stem Diameter | 0.438" |
| Top Plate Bolt Circle | 3.25" |
| Top Plate Bolt Hole Diameter | 0.437" |
| Top Plate Diameter | 4" |
| Top Plate Hole Count | 4 |
| Top Plate ISO Bolt Circle | 2.76" |
| Top Plate ISO Bolt Hole Dia | 0.375" |