{"product_id":"aardvark-a21-single-spring-mechanical-seal-1","title":"Aardvark A21 Single Spring Mechanical Seal","description":"The Aardvark A21 Single Spring Mechanical Seal is a cost-effective solution designed for various process pumps. With a bellows design that compensates for face wear, this bi-directional seal offers versatility with multiple face and elastomer options. Equivalent to industry standards such as John Crane Type 21, Pac-Seal Type 21, US Seal C head, it ensures reliable performance under pressures up to 150 psi and temperatures up to 400 °F. Choose from face materials like Carbon, Silicon Carbide, Tungsten Carbide, and elastomers including AFLAS, Buna, EPDM, and Viton. The metallurgy options of 18-8SS and 316SS provide corrosion resistance, while seat types like Cup, L Clamp, O-Ring Block, O-Ring Groove, T Clamp offer flexibility. Pressure balanced for enhanced efficiency, this seal exceeds expectations in demanding industrial environments.","brand":"AB Industrial","offers":[{"title":"Default Title","offer_id":44839713669308,"sku":"MEC-642057","price":39.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/9821\/6380\/files\/MEC-642057-1.jpg?v=1750356480","url":"https:\/\/maden.co\/products\/aardvark-a21-single-spring-mechanical-seal-1","provider":"Maden","version":"1.0","type":"link"}