{"product_id":"asco-numatics-r501ay428501001-pneumatic-valve-manifold","title":"ASCO Numatics R501AY428501001 Pneumatic Valve Manifold","description":"\u003cdiv\u003e\u003cp\u003eR501AY428501001 is a double sandwich shut-off block for ASCO Numatics 501-series pneumatic valve islands, designed to shut off pressure between stations when mounted in a manifold. It is described as a sandwich shut-off block for 501-series valves and is compatible with 11 mm wide 501-series valves, with applicability to 501, 502, and 503-series valve islands. The kit includes a sandwich plate, sealing kit, and mounting screws, and the 4-station configuration is captured by the part number (D=4). This isolation block is used to shut off supply to selected sections of a valve island, enabling maintenance or servicing of individual valves without dismantling the entire manifold. In catalogs, it is listed as a sandwich shut-off block for the 501-502-503 Series family, aligning with ASCO Numatics’ modular valve island offerings.\u003c\/p\u003e\u003c\/div\u003e","brand":"ASCO","offers":[{"title":"New","offer_id":51660169445678,"sku":null,"price":87.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_5a50be16-7694-4856-9eb1-6a1712a40920.jpg?v=1769533867","url":"https:\/\/plgautomation.com\/products\/asco-numatics-r501ay428501001-pneumatic-valve-manifold","provider":"PLG Automation ","version":"1.0","type":"link"}