8P Series Pneumatic Actuated Ball Valves
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Catalog excerpts

8P Series Pneumatic Actuated Ball Valves - 1

CLARK SOLUTIONS 8P Series Pneumatic Actuated Ball Valves 1/4” to 4”Brass & Stainless Steel, 2-way & 3-way configurations 80: Direct mount 2-way brass full port valve, DA, double acting actuator 82: Direct mount 2-way brass full port valve, SR, spring return actuator 135: Direct Mount 2-way brass full port valve, SS stem, DA, double acting actuator 136: Direct Mount 2-way brass full port valve, SS stem, SR, spring return actuator 129: Direct mount 3-way brass T port valve, DA, Double Acting Actuator 131: Direct mount 3-way brass T port valve, SR, spring return actuator 130: Direct mount 3-way brass L port valve, DA, Double Acting Actuator 132: Direct mount 3-way brass L port valve, SR, spring return actuator SERIES 8P0133/134 133: Direct mount 2-way SS full port valve, DA, double acting actuator 134: Direct mount 2-way SS full port valve, SR, spring return actuator SERIES 8P0139/141/143/145/ 140/142/144/146 (T,L) 139: Direct mount, 3-way SS, “T” std port valve, DA, double acting actuator 141: Direct mount, 3-way SS, “T” std port valve, SR, spring return actuator 143: Direct mount, 3-way SS, “T” full port valve, DA, double acting actuator 145: Direct mount, 3-way SS, “T” full port valve, SR, spring return actuator 140: Direct mount, 3-way SS, “L” std port valve, DA, double acting actuator 142: Direct mount, 3-way SS, “L” std port valve, SR, spring return actuator 144: Direct mount, 3-way SS, “L” full port valve, DA, double acting actuator 146: Direct mount, 3-way SS, “L” full port valve, SR, spring return actuator Striving for low operating torque on ball valves has been the goal of every ball valve manufacturer. All 8P direct mount ball valves are designed with the lowest possible operating torque versus all other ball valves used in industry today. The traditional “floating” style ball valve that is so widely used today VALVE FEATURES has sealing components that are forcibly compressed together in -Low Torque Valve Stem & Valve Seat Design Means Smaller Actuators order to make an effective ball to seat connection. This ensures -Square Stem Valve Design With ISO 5211 Actuator Pad For tight sealing in the field, which is a priority. However, during the Structural Strength assembly process the ball itself is being “driven” to seal on the -Complete Design Control With Integrated Components From downstream seat. This assembly technique, with contact of the One Manufacturer O.D. of the ball to the downstream TFE seat forms a “set” or a -Produced In An ISO 9001, ISO 14001, OHSAS 18001Certified deformation/indentation to the seat itself. This downstream Factory sealing is the industry standard and perhaps the only way for general purpose ball valves to operate and effectively seal. ACTUATOR FEATURES The end result creates a high initial breakaway torque - 0-90o Rotation adjustable ±5o by means of adjusting screws simply because, when operated, the ball is attempting to - Standard Temp. range -4o to +185oF; Hi temp option -4 to 302oF, Lo temp dislodge itself from the deformed downstream seating option -40 to 185oF surface. - Twin Rack & Pinion Design - Constant Torque Output - Compact Design All 8P series brass and 2-way SS direct mount ball valves incorporate technologically advanced “O” ring back TFE - Standard position indicator - Pre-lubricated for life of actuator seats to dramatically reduce operating torque. To start, - Optional Limit Switches viton “O” rings are inserted into grooves formed and located on the backside of the TFE seat itself. They are preassembled as a unit and then assembled into the valves. 8P valves are designed to operate with a minimum of 80 PSI air supply Clark Solutions 10 Brent Drive H

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8P Series Pneumatic Actuated Ball Valves - 2

The ball valve is fully assembled and tested with the "O" rings exerting only a minimum amount of pressure on the TFE seats. The o-rings in turn seal on both the upstream and downstream side of the ball, similar to the dynamics of a trunnion style ball valve. Due to light force exerted, only a "single point" of each seat comes in contact with the ball. The stem sealing design of 8P direct mount valves also plays a role in lowering the torque. After each direct mount forging or investment casting is machined, they are transferred to a secondary "burnishing" operation performed on the stem...

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8P Series Pneumatic Actuated Ball Valves - 3

8P0129 3-Way Brass "T” Port Dimensions (inches) with Double Acting Actuator (fig 3) 8P0130 3-Way Brass "L” Port Dimensions (inches) with Double Acting Actuator (fig 3) 8P0131 3-Way Brass "T” Port Dimensions (inches) with Spring Return Actuator (fig 3) 8P0132 3-Way Brass "L” Port Dimensions (inches) with Spring Return Actuator (fig 3) Clark Solutions • 10 Brent Drive • Hudson, MA 01768 • Tel. 978 / 368 3600 •

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8P Series Pneumatic Actuated Ball Valves - 4

STAINLESS STEEL 2-WAY 8P0133 2-Way Stainless Steel Dimensions (inches) with Double Acting Actuator (fig 5) Clark Solutions • 10 Brent Drive • Hudson, MA 01749 • Tel. 978 / 568 3400 • Fax 978 /

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8P Series Pneumatic Actuated Ball Valves - 5

8P0139/143 3-Way Stainless Steel Std & Full "T” Port Dimensions (inches) with Double Acting Actuator (fig 7) 8P0140/144 3-Way Stainless Steel Std & Full "L” Port Dimensions (inches) with Double Acting Actuator (fig 7) 8P0141/145 3-Way Stainless Steel Std & Full "T” Port Dimensions(inches) with Spring Return Actuator (fig 7) 8P0142/146 3-Way Stainless Steel Std & Full "L” Port Dimensions (inches) with Spring Return Actuator (fig 7) Clark Solutions • 10 Brent Drive • Hudson, MA 01749 • Tel. 978 / 568 3400 •

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8P Series Pneumatic Actuated Ball Valves - 6

GENERAL SPECIFICATIONS Types: fl3'9 DA- Double Acting SR- Spring Return Actuation Pressure Rating: Minimum 80 PSI, maximum 115 PSI Temperature Range: Standard (NBR Seals): -4oF to +185oF High Temp Option (Viton Seals): -4oF to +302oF Low Temperature Option (Silicon Seals): -40oF to +185oF Rotation: 0-90o adjustable ±5o in both clockwise and counterclockwise directions by means of adjusting screws outside the internal supply chambers Position Indicator: Standard Air Supply Connections: Models 32, 52.63, 75, 85- 1/8” NPT; Model 100- 1/4” NPT Lubrication: Pre lubricated for life of actuator...

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