CrabCaptain
YOUR CAPTAIN IN CHINA SOURCING
Making It Easy to Source Industrial Products from China · 让从中国采购工业品变容易
O-rings, spiral-wound gaskets, PTFE and asbestos-free sealing solutions for flange, valve and rotating equipment service.
Pick a sub-category to narrow the catalog选择细分品类缩小目录
Full master-catalog extract — real part numbers, names and materials, rendered on the server so search engines can index every item. 全量型号目录（服务器渲染，便于收录）。
| Part No. | Description | Material |
|---|---|---|
| GB/T3452.1 | O形圈128*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈128*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈180*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈132*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈63*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈112*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈425*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈125*3.55 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈155*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈8*1.8 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈85*3.55 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈118*3.55 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈180*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈118*2.65 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈412*7 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈53*2.65 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈85*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈51.5*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈487*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈315*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈206*5.3 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈365*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈28*2.65-O | 硅橡胶NE7170 |
| GB/T3452.1 | O形圈19*2.65-O | 硅橡胶NE7170 |
| GB/T3452.1 | O形圈75*2.65 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈487*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈56*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈200*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈190*5.3 | 丁腈橡胶NBR9524 |
| GB/T3452.1 | O形圈290*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈106*5.3 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈243*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈330*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈140*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈230*5.3 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈218*5.3 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈462*7 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈425*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈33.5*3.55 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈118*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈224*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈60*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈42.5*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈112*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈95*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈132*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈437*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈355*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈650*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈670*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈170*3.55 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈335*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈30*3.55 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈545*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈307*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈122*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈71*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈33.5*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈150*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈475*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈330*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈265*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈140*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈11.2*1.8 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈8.5*1.8 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈90*5.3 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈335*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈224*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈71*2.65 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈212*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈375*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈92.4*1.8 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈87.4*1.8 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈69*3.55 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈90*2.65 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈67*2.65 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈13.2*1.8 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈230*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈胶条1714*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈236*5.3 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈580*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈185*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈106*3.55 | 丁腈橡胶NBR9524 |
| GB/T3452.1 | O形圈165*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈128*5.3 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈155*5.3 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈6.3*1.8 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈103*3.55 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈243*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈77.5*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈325*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈33.5*2.65 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈12.5*1.8 | 丁腈橡胶NBR9524 |
| GB/T3452.1 | O形圈650*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈10.6*1.8 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈12.5*1.8 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈60*2.65 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈11.8*1.8 | 丁腈橡胶NBR9524 |
| GB/T3452.1 | O形圈136*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈87.5*5.3 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈112*2.65 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈26.5*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈145*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈106*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈145*5.3 | 丁腈橡胶NBR9524 |
| GB/T3452.1 | O形圈400*7 | 丁腈橡胶NBR9524 |
| GB/T3452.1 | O形圈412*7 | 丁腈橡胶NBR9524 |
| GB/T3452.1 | O形圈375*7 | 丁腈橡胶NBR9524 |
| GB/T3452.1 | O形圈胶条1470*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈63*2.65 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈13.2*2.65 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈560*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈112*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈115*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈8.5*1.8 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈95*2.65 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈75*5.3 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈92.5*5.3 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈530*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈545*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈190*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈63*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈53*2.65 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈580*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈160*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈200*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈10.6*2.65 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈140*3.55 | 丁腈橡胶NBR9524 |
| GB/T3452.1 | O形圈112*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈90*3.55 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈125*3.55 | KALREZ |
| GB/T3452.1 | O形圈71*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈195*5.3 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈19*2.65 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈170*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈165*3.55 | 丁腈橡胶NBR9524 |
| GB/T3452.1 | O形圈212*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈90*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈71*5.3 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈162.5*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈7.1*1.8 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈200*7 | 丁腈橡胶NBR9524 |
| OVI-OD364.5*4.8*0.5mm-SS316L-GY-Ag50μm | 金属O形圈 | 316L/Ag |
| OVI-OD659.5*4.8*0.5mm-SS316L-GY-Ag50μm | 金属O形圈 | 316L/Ag |
| OVI-OD344.5*4.8*0.5mm-SS316L-GY-Ag50μm | 金属O形圈 | 316L/Ag |
| GB/T3452.1 | O形圈165*5.3 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈150*7 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈8*1.8 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈45*2.65 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈73*5.3 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈Φ200*5.7 | 硅橡胶NE7170 |
| GB/T3452.1 | O形圈Φ220*5.7 | 硅橡胶NE7170 |
| GB/T3452.1 | O形圈170*7 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈160*2.65 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈54.5*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈145*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈128*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈115*5.3-O | 硅橡胶NE7170 |
| CSI-OD323.6%x4.0%x0.4-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | 316SS |
| CSI-OD309.6%x4.0%x0.4-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | 316SS |
| CSI-OD164.5x4.0x0.5mm-GH4169*2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | GH4169 |
| CSI-OD295.5%x4.0%x0.4mm-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | 316L |
| CSI-OD249.6*4.0*0.4mm-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | ASTM-A314-S31603 |
| CSI-OD359.6%x3.96%x0.4-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | ASTM-A314-S31603 |
| CSI-OD319.6*4.0*0.4mm-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | 316L |
| CSI-OD299.6%x4.0%x0.4mm-SS316L%x2-GY-Ag50 | 金属C型圈-内压弹簧增强型 | 316L |
| CSI-OD359.5%x4.0%x0.5mm-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | 316L |
| CSI-OD345.5%x4.0%x0.5mm-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | 316L |
| CSI-OD351.5%x4.0%x0.5mm-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | 316L |
| CSI-OD335.5%x4.0%x0.5mm-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | 316L |
| OVI-OD679.5*4.8*0.5mm-SS316L-GY-Ag50μm | 金属O形圈 | 316L/Ag |
| CSI-OD379.6%x3.96%x0.4-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | ASTM-A314-S31603 |
| CSI-OD364.5%x4.0%x0.5mm-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | 316L |
| CSI-OD379.5%x4.0%x0.5mm-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | 316L |
| GB/T3452.1 | O形圈125*3.55 | 全氟醚橡胶KALREZ |
| CSI-OD311.5%x4.0%x0.4mm-SS316L%x2-GY-Ag50 | 金属C形圈-内压弹簧增强型 | 316L |
| GB/T3452.1 | O形圈160*3.55 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈100*5.3 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈100*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈58*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈90*3.55 | 氟橡胶FPM8423 |
| GB/T3452.1 | O形圈206*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈92.4*1.8 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈125*3.55 | 丁腈橡胶NBR7445 |
| GB/T3452.1 | O形圈85*5.3 | 氟橡胶FPM7433 |
| GB/T3452.1 | O形圈128*5.3 | 丁腈橡胶NBR9524 |
| GB/T3452.1 | O形圈272*7 | 丁腈橡胶NBR9524 |
| ASME-B16.20 | 缠绕垫1"-150 | PTFE |
| ASME-B16.20 | 缠绕垫1.1/2"-150 | PTFE |
| ASME-B16.20 | 缠绕垫2"-150 | PTFE |
| ASME-B16.20 | 椭圆垫R42S304 | 304 |
| ASME-B16.20 | 椭圆垫R46S304 | 304 |
| ASME-B16.20 | 螺旋缠绕垫1.1/2-300 | SS316L/GRAFIRSS316CRCS |
| ASME-B16.20 | 螺旋缠绕垫1-300 | SS316L/GRAFIRSS316CRCS |
| ASME-B16.20 | 螺旋缠绕垫2.1/2-300 | SS316L/GRAFIRSS316CRCS |
| ASME-B16.20 | 螺旋缠绕垫2-150 | SS316L/GRAFIRSS316CRCS |
| ASME-B16.20 | 螺旋缠绕垫2-300 | SS316L/GRAFIRSS316CRCS |
| ASME-B16.20 | 螺旋缠绕垫3/4-150 | SS316L/GRAFIRSS316CRCS |
| HG/T20610 | 缠绕垫D15-16 | 2232 |
| HG/T20610 | 缠绕垫D20-16 | 2232 |
Page 2 / 7 · 1,380 part numbers
NBR, FKM / Viton, EPDM, PTFE, graphite and stainless winding. Standards: ASME B16.20, DIN, JIS.
Send us any model number from the catalog above, or describe your duty — we will match it across our verified factory network and respond within 24 hours.
资质与认证 — 合作工厂均具备完整资质（ISO、CE、材质报告 MTC、出厂检验单等）。出于商业保密，完整证书扫描与工厂资质仅在签署 NDA 后向已验证买家提供；询价时可直接向我们索取。 / Our partner factories hold full qualifications (ISO, CE, MTC material reports, mill test certificates). For commercial confidentiality, complete certificate scans and factory qualifications are shared with verified buyers under NDA on request.
Quality Management System
Environmental Management
EU Conformity Declaration
Registered & Licensed Supplier / 营业执照
On-site Audited Manufacturer / 实地认证
