Product Name: Declutchable Aluminium Alloy Worm Gear Operator Steering Gear Box for Valve Material: Alloy Connection: ISO5211 Temperature: Ordinary Temperature Power Source: Manual Operation Power Supply: Manual Operation Certification: CCC, RoHS, ISO, CE Model: SD-1 SD-2 SD-3 SD-4 SD-5 SD-6 SD-7 Handle: Iron Color: Can Be Customized Nameplate: Can Be Customized Apply to: Butterfly Valve / Ball Valve etc Mounting: ISO5211 O Ring: NBR Level of Protection: IP65/IP67/IP68 Trademark: VALVESPRO / OEM Transport Package: Carton + Wooden Case Specification: 3-50KG Origin: China HS Code: 8483409000 Product Description Declutchable Manual Gear Box Override Handwheel With Pneumatic ActuatorFeaturesCompact and light weightISO 5211 mounting patternMachined gear teeth provide smoothest operation and longer lifeHigh cycle life with low friction of all moving and sliding surfacesModular design provide the most efficient and effective solution to afull range of manual overriding requirements.Protection grade IP65/IP67/IP68