{"id":783,"date":"2026-08-01T07:38:03","date_gmt":"2026-08-01T07:38:03","guid":{"rendered":"https:\/\/jiexinseal.com\/?post_type=product&p=783"},"modified":"2026-09-01T07:52:01","modified_gmt":"2026-09-01T07:52:01","slug":"100mm-unbalanced-mechanical-seal-single-spring-john-crane-type-2100s-2100k-%e5%a4%8d%e5%88%b6","status":"publish","type":"product","link":"https:\/\/jiexinseal.com\/ja\/product\/100mm-unbalanced-mechanical-seal-single-spring-john-crane-type-2100s-2100k-%e5%a4%8d%e5%88%b6\/","title":{"rendered":"John Crane 502 Water Pump Mechanical Seal 100mm For Industrial Pumps"},"content":{"rendered":"

\u88fd\u54c1\u8aac\u660e<\/span><\/h4>\n

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John Crane 502 Water Pump Mechanical Seal 100mm For Industrial Pumps<\/strong><\/h5>\n

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Mechanical Seal John Crane 502 Water Pump Seal Mechanical Seal<\/strong><\/h5>\n

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\n\n\n\n\n\n
\u578b\u756a.<\/td>\n502<\/td>\n<\/tr>\n
Trademark<\/td>\nJIEXIN, Neutral or Customised<\/td>\n<\/tr>\n
\u8d77\u6e90<\/td>\n\u4e2d\u56fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n
Balance<\/td>\n\u4e0d\u5747\u8861<\/td>\n<\/tr>\n
Transport Package<\/td>\nJIEXIN, Neutral or Customised<\/td>\n<\/tr>\n
HS\u30b3\u30fc\u30c9<\/td>\n84842000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Our mechanical seal model 502 can replace AESSEAL B07S and CRANE 502 ,which is widely used for industrial pumps. BO seat and BP seat are usually used for 502 type. The normal material combination include resin carbon\/ceramic\/nbr\/ss304,resin carbon\/tc\/nbr\/ss304,sic\/sic\/nbr\/ss304 ,tc\/tc\/nbr\/ss304 and so on. we also can make changes as customers’requirement or totally design a new type of mechanical seal to meet clients’needs.<\/p>\n

502
\nOperating Limits:<\/p>\n\n\n<\/colgroup>\n\n\n\n\n
\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\uff1a<\/td>\n\u22644MPa<\/td>\n<\/tr>\n
\u30b9\u30d4\u30fc\u30c9\uff1a<\/td>\n\u226413m\/s<\/td>\n<\/tr>\n
\u6e29\u5ea6\uff1a<\/td>\n-30\u00baC~+200\u00baC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Rotary Ring (Carbon\/SiC\/TC)
\nStationary Ring (99%Ceramic\/SiC\/TC)
\nSecondary SeaI (\/NBR\/EPDM)
\nSpring & Other Parts (SUS304\/SUS316)<\/p>\n

The standard seat for the 502 seal is the BO seat (DIN24960). Alternative seats can also be used, such as the BP and BC seats.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Seal size
\nd(mm)<\/td>\n		d3<\/td>\nd6<\/td>\nd7<\/td>\nl1k<\/td>\nl4<\/td>\n<\/tr>\n
12<\/td>\n22.6<\/td>\n18.5<\/td>\n22.5<\/td>\n32.5<\/td>\n12.0<\/td>\n<\/tr>\n
14<\/td>\n24<\/td>\n21<\/td>\n25<\/td>\n35.0<\/td>\n12.0<\/td>\n<\/tr>\n
16<\/td>\n26<\/td>\n23<\/td>\n27<\/td>\n35.0<\/td>\n12.0<\/td>\n<\/tr>\n
18<\/td>\n32<\/td>\n27<\/td>\n33<\/td>\n37.5<\/td>\n13.5<\/td>\n<\/tr>\n
20<\/td>\n34<\/td>\n29<\/td>\n35<\/td>\n37.5<\/td>\n13.5<\/td>\n<\/tr>\n
22<\/td>\n36<\/td>\n31<\/td>\n37<\/td>\n37.5<\/td>\n13.5<\/td>\n<\/tr>\n
24<\/td>\n38<\/td>\n33<\/td>\n39<\/td>\n40.0<\/td>\n13.3<\/td>\n<\/tr>\n
25<\/td>\n39<\/td>\n34<\/td>\n40<\/td>\n40.0<\/td>\n13.0<\/td>\n<\/tr>\n
28<\/td>\n42<\/td>\n37<\/td>\n43<\/td>\n42.5<\/td>\n12.5<\/td>\n<\/tr>\n
30<\/td>\n44<\/td>\n39<\/td>\n45<\/td>\n42.5<\/td>\n12.0<\/td>\n<\/tr>\n
32<\/td>\n46<\/td>\n42<\/td>\n48<\/td>\n42.5<\/td>\n12.0<\/td>\n<\/tr>\n
33<\/td>\n46<\/td>\n42<\/td>\n48<\/td>\n42.5<\/td>\n12.0<\/td>\n<\/tr>\n
35<\/td>\n49<\/td>\n44<\/td>\n50<\/td>\n42.5<\/td>\n12.0<\/td>\n<\/tr>\n
38<\/td>\n54<\/td>\n49<\/td>\n56<\/td>\n45.0<\/td>\n13.0<\/td>\n<\/tr>\n
40<\/td>\n56<\/td>\n51<\/td>\n58<\/td>\n45.0<\/td>\n13.0<\/td>\n<\/tr>\n
43<\/td>\n59<\/td>\n54<\/td>\n61<\/td>\n45.0<\/td>\n13.0<\/td>\n<\/tr>\n
45<\/td>\n61<\/td>\n56<\/td>\n63<\/td>\n45.0<\/td>\n13.0<\/td>\n<\/tr>\n
48<\/td>\n64<\/td>\n59<\/td>\n66<\/td>\n45.0<\/td>\n13.0<\/td>\n<\/tr>\n
50<\/td>\n66<\/td>\n62<\/td>\n70<\/td>\n47.5<\/td>\n13.3<\/td>\n<\/tr>\n
55<\/td>\n71<\/td>\n67<\/td>\n75<\/td>\n47.5<\/td>\n13.3<\/td>\n<\/tr>\n
60<\/td>\n80<\/td>\n72<\/td>\n80<\/td>\n52.5<\/td>\n13.3<\/td>\n<\/tr>\n
65<\/td>\n85<\/td>\n77<\/td>\n85<\/td>\n52.5<\/td>\n13.3<\/td>\n<\/tr>\n
70<\/td>\n89<\/td>\n83<\/td>\n92<\/td>\n60.0<\/td>\n14.5<\/td>\n<\/tr>\n
75<\/td>\n96<\/td>\n88<\/td>\n97<\/td>\n60.0<\/td>\n14.5<\/td>\n<\/tr>\n
80<\/td>\n104<\/td>\n95<\/td>\n105<\/td>\n60.0<\/td>\n15.0<\/td>\n<\/tr>\n
85<\/td>\n108<\/td>\n100<\/td>\n110<\/td>\n60.0<\/td>\n15.0<\/td>\n<\/tr>\n
90<\/td>\n114<\/td>\n105<\/td>\n115<\/td>\n65.0<\/td>\n15.0<\/td>\n<\/tr>\n
95<\/td>\n118<\/td>\n110<\/td>\n120<\/td>\n65.0<\/td>\n15.0<\/td>\n<\/tr>\n
100<\/td>\n124<\/td>\n115<\/td>\n125<\/td>\n65.0<\/td>\n15.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/h2>","protected":false},"excerpt":{"rendered":"

Model: 502
\n\u4ed5\u69d8\uff1a\u30b7\u30e3\u30d5\u30c8\u7a74\u5f84 14\uff5e100mm
\nMaterial: CAR SSIC EPDM NBR AFLAS<\/p>","protected":false},"featured_media":1048,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[19,26,24],"product_tag":[],"class_list":["post-783","product","type-product","status-publish","has-post-thumbnail","product_cat-uncategorized","product_cat-lowara-pump-mechanical-seal","product_cat-pump-mechanical-seal","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/jiexinseal.com\/ja\/wp-json\/wp\/v2\/product\/783","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jiexinseal.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jiexinseal.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/jiexinseal.com\/ja\/wp-json\/wp\/v2\/comments?post=783"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jiexinseal.com\/ja\/wp-json\/wp\/v2\/media\/1048"}],"wp:attachment":[{"href":"https:\/\/jiexinseal.com\/ja\/wp-json\/wp\/v2\/media?parent=783"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jiexinseal.com\/ja\/wp-json\/wp\/v2\/product_brand?post=783"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jiexinseal.com\/ja\/wp-json\/wp\/v2\/product_cat?post=783"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jiexinseal.com\/ja\/wp-json\/wp\/v2\/product_tag?post=783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}