{"id":534,"date":"2025-09-22T09:23:05","date_gmt":"2025-09-22T09:23:05","guid":{"rendered":"https:\/\/xtech-eng.com\/?post_type=product&p=534"},"modified":"2025-12-17T08:46:09","modified_gmt":"2025-12-17T08:46:09","slug":"pa-series","status":"publish","type":"product","link":"https:\/\/xtech-eng.com\/?product=pa-series&lang=en","title":{"rendered":"Nippon Gear_PA series"},"content":{"rendered":"

PA Series Spur Gear Actuators: Effortless & Precise Manual Valve Operation<\/strong><\/h1>\n

The PA Series<\/b> is a specialized line of spur gear actuators designed for valves that generate significant axial thrust, such as Gate Valves<\/b> and Globe Valves<\/b>. With an optimized design, this series makes opening and closing heavy industrial valves easy and smooth via manual handwheel operation.<\/p>\n

Key Highlights of the PA Series<\/strong><\/h2>\n

1. “Hammer Blow” Mechanism \u2013 Secure Valve Seating<\/strong><\/h3>\n

A standout feature of the PA Series is the intelligent Hammer Blow<\/b> mechanism. This design significantly reduces the torque required during the initial opening or final closing stages, ensuring the valve is completely sealed without excessive physical effort.<\/p>\n

2. Superior Durability with Sealed Construction<\/strong><\/h3>\n
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    Ready for Operation:<\/b> The units feature a perfectly sealed structure and come pre-filled with high-pressure grease from the factory, providing corrosion resistance and friction reduction immediately upon installation.<\/p>\n<\/li>\n

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    High Efficiency:<\/b> Ball Bearings<\/b> are equipped at all rotational support points, which not only extends service life but also maximizes transmission efficiency.<\/p>\n<\/li>\n<\/ul>\n

    3. Smart Design for Easy Maintenance<\/strong><\/h3>\n
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      Two-Piece Drive Nut:<\/b> Utilizes an involute spline connection between the drive nut and the drive sleeve. This design allows technicians to remove the nut for stem thread machining without dismantling the entire actuator<\/b>, significantly saving maintenance time.<\/p>\n<\/li>\n

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      Flexible Installation:<\/b> Through the use of a Mounting Adapter<\/b>, the PA Series can be easily installed on new valve systems or retrofitted onto existing valves at the job site.<\/p>\n<\/li>\n<\/ul>\n

      Advanced Optional Versions<\/strong><\/h2>\n

      To meet modern monitoring requirements, Nippon Gear offers additional variants:<\/p>\n

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        PA-OP Series:<\/b> Integrated with an intuitive Mechanical Dial Position Indicator (MDPI<\/b>).<\/p>\n<\/li>\n

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        PA-OS Series:<\/b> Integrated with both an MDPI<\/b> and Limit Switches<\/b> to provide status signal feedback to the control center.<\/p>\n<\/li>\n<\/ul>\n

        PA Series Technical Specifications<\/strong><\/h2>\n
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        \n\n\n\n\n\n\n\n\n
        Model<\/span><\/td>\nGear Ratio<\/span><\/td>\nMax Thrust (kN)<\/span><\/td>\nMax Torque (N\u00b7m)<\/span><\/td>\nMax Stem Diameter (mm)<\/span><\/td>\nWeight (kg)<\/span><\/td>\n<\/tr>\n<\/thead>\n
        PA-0<\/b><\/span><\/td>\n3:1<\/span><\/td>\n98<\/span><\/td>\n740<\/span><\/td>\n55<\/span><\/td>\n30<\/span><\/td>\n<\/tr>\n
        PA-1<\/b><\/span><\/td>\n4:1<\/span><\/td>\n200<\/span><\/td>\n1,500<\/span><\/td>\n62<\/span><\/td>\n45<\/span><\/td>\n<\/tr>\n
        PA-2<\/b><\/span><\/td>\n6:1<\/span><\/td>\n340<\/span><\/td>\n2,900<\/span><\/td>\n85<\/span><\/td>\n85<\/span><\/td>\n<\/tr>\n
        PA-3<\/b><\/span><\/td>\n9:1<\/span><\/td>\n620<\/span><\/td>\n5,900<\/span><\/td>\n115<\/span><\/td>\n160<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

        Ideal Applications<\/strong><\/h3>\n

        The PA Series is an effective solution for augmenting manual power in:<\/p>\n

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          Water Pumping and Drainage Stations.<\/b><\/p>\n<\/li>\n

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          Chemical and Petrochemical Plants<\/b> (operating large gate valves).<\/p>\n<\/li>\n

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          Industrial Steam and Hot Water Piping Systems.<\/b><\/p>\n<\/li>\n<\/ul>\n

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          <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

          The PA Series<\/b> is a specialized line of spur gear actuators designed for valves that generate significant axial thrust, such as Gate Valves<\/b> and Globe Valves<\/b>. With an optimized design, this series makes opening and closing heavy industrial valves easy and smooth via manual handwheel operation.<\/p>\n","protected":false},"featured_media":983,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[235,239],"product_tag":[],"class_list":{"0":"post-534","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-manual-actuator-nippon-gear-en","7":"product_cat-multi-turn-type-en-manual-actuator-nippon-gear-en","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/xtech-eng.com\/index.php?rest_route=\/wp\/v2\/product\/534","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xtech-eng.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/xtech-eng.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/xtech-eng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=534"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xtech-eng.com\/index.php?rest_route=\/wp\/v2\/media\/983"}],"wp:attachment":[{"href":"https:\/\/xtech-eng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=534"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/xtech-eng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=534"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/xtech-eng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=534"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/xtech-eng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}