Automation and controls 0613.indd - Sharpe® Valves

SPN II Pneumatic Actuator• Rack & pinion design• The standard actuator configuration has a hardanodized aluminum body and epoxy coated endcaps• Inside surface finish (Ra 0.4-0.6μm) to minimizefriction and to maximize the life of the actuator.• Standard applications for temperature ranges from-4°F to 180°F.• Special options for extreme temperatures (upon request).• Piston bearing made of material with a low frictioncoefficient to avoid metal-on-metal contact, easilyreplaceable for maintenance.• Base drilling, for valve mounting and centering,according to ISO 5211/DIN 3337 standards.• The indicator is designed to remain on the actuatorfor continuous indication when limit switch is notbeing used. (Not available on SPN II 032)• Independent bidirectional travel stop adjustment±5° ensuring precise positioning in all flow controlservices. (Not available on SPN II 032)• Direct mounted solenoid connections according toNAMUR standards.• Same body and end caps for double acting andspring return.• Air supply can be dry or lubricated filtercompressed air. Pressure: 40 PSI to 120 PSI• The lubrication carried out by the manufacturerqualifies for a minimum 1,000,000 operations.• Epoxy coating is a deposit of powder on cleansandblasted pieces. The chemical process iseasily kept under control and after coating, thepieces must be subjected to heat treatment. Epoxypainting of actuators is advised where environmentis strongly aggressive. With the exception ofcertain solvents, epoxy coatings resist acids andalkali, and also has a good resistance to UV rays.In order to retain its properties, the coating mustnot be scratched.• Multi-function position indicator with NAMUR slotto allow confirmation of position.• The SPN II features inserts to allow easy conversionto many square and diamond valve stems. Thereare also double D along with round bores withkeyway inserts for the same actuators for butterfl yapplications. The pinion is drilled deeper thenstandard actuators. The SPN II series has mountingplates for the transition of the bolt circles of theactuator to be used with other industry standardsfor butterfly valves.• For conditions or applications that demand themost from equipment, Sharpe offers our SPNIIwith chemical nickel plating. These actuatorsare designed to be a cost effective option incomparison to stainless steel actuators. The Nickelplating is done through chemical impregnation toprovide uniform coverage and protection. The bathis a mixture of nickel and phosphorous to provideexcellent qualities in: hardness, wear resistance,appearance and its inherent ability to withstandmany wash-down applications that actuators withstandard finishes cannot.1SHARPE ® PRODUCTS • TOLL FREE (877) 774-2773 • FAX (708) 562-9250 • www.sharpevalves.com