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
Ball, gate, globe, check and control valves — manual or actuated — in full bore and reduced bore, for isolation, flow control and safety 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 |
|---|---|---|
| Q41Y-150LbC | 球阀DN25 | |
| Q41Y-150LbC | 球阀DN40 | |
| Q41Y-150LbC | 球阀DN50 | |
| Q41Y-150LbC | 球阀DN80 | |
| Q61Y-150LbC | 锻钢球阀DN25 | |
| Q41Y-150LbP | 球阀DN25 | |
| Q31Y-300Lb | 异径球阀DN20-NPT1/2 | |
| Q347Y-300lb | 手轮球阀DN300 | |
| Q347Y-300lb | 手轮球阀DN350 | |
| Q347Y-300lb | 手轮球阀DN450 | |
| Q347Y-300lb | 手轮球阀DN600 | |
| Q41Y-300Lb | 球阀DN25 | |
| Q41Y-300Lb | 球阀DN50 | |
| Q41F-25P | 球阀DN15 | |
| Q41F-600Lb | 球阀DN25 | 设计温度-46℃ |
| Q41F-600Lb | 球阀DN40 | 设计温度-46℃ |
| Q41F-600Lb | 球阀DN50 | 设计温度-46℃ |
| DQ61F-300LbP | 低温锻钢球阀DN25 | |
| Q41F-150LbP | 球阀DN25 | 带锁开装置 |
| DQ41F-150LbP | 低温球阀DN25 | |
| DQ31F-150LbP | 低温异径球阀DN20 | |
| DQ31F-300LbP | 低温异径球阀DN20 | |
| DQ61F-150LbP | 低温锻钢球阀DN25 | |
| Q61F-150LbP | 锻钢球阀DN20 | |
| Q31F-600Lb | 异径球阀DN20 | |
| Q45F-150Lb | 三通球阀DN50 | |
| Q347F-600lb | 手轮球阀DN250 | |
| Q347F-600lb | 手轮球阀DN200 | |
| Q347F-600lb | 手轮球阀DN150 | |
| Q347F-600LbC | 手轮球阀DN350 | |
| Q347F-600Lb | 手轮球阀DN300 | |
| Q41F-300Lb | 球阀DN100 | 带锁开装置 |
| Q41F-150LbC | 球阀DN150 | 带锁开装置 |
| Q41F-150LbC | 球阀DN200 | 带锁开装置 |
| Q41F-600Lb | 球阀DN80 | 带锁开装置 |
| Q15F-150LbP | 内螺纹三通球阀DN40 | |
| Q41F-25 | 三段式球阀DN25 | |
| Q41F-25P | 三段式球阀DN50 | |
| Q41F-25P | 三段式球阀DN100 | |
| Q41F-25P | 三段式球阀DN25 | |
| Q41F-25P | 三段式球阀DN40 | |
| Q41F-25P | 三段式球阀DN80 | |
| Q31F-600Lb | 异径球阀DN20-NPT1/2 | |
| Q41F-150LbC | 球阀DN25 | 阀体碳钢，阀芯不锈钢304 |
| Q41F-600Lb | 球阀DN40 | 带CSO装置 |
| Q41F-150LbC | 球阀DN50 | 带CSO装置 |
| Q11F-25D | 内螺纹球阀DN20 | 带锁开装置 |
| YZQ-2C/Q11F-64RL | 内螺纹球阀NPT1/2 | |
| Q91SA-64P-Φ12 | 卡套球阀Φ12 | |
| YZQ-2B/Q11SA-64 | 穿板内螺纹球阀NPT1/2 | 304 |
| Q347F-900lb | 手轮球阀DN150 | |
| Q347F-900lb | 手轮球阀DN200 | |
| Q41F-900Lb | 球阀DN25 | |
| Q347F-900lb | 手轮球阀DN100 | |
| Q41F-300Lb | 球阀DN150 | |
| Q347F-600lb | 手轮球阀DN100 | |
| Q41F-900Lb | 球阀DN40 | |
| Q31F-900Lb | 异径球阀DN20 | |
| Q41F-600Lb | 球阀DN40 | 带锁开装置 |
| Q41F-150LbP | 球阀DN200 | |
| Q41F-300Lb | 球阀DN25 | 内件材质不锈钢304 |
| Q41F-300Lb | 球阀DN50 | 内件材质不锈钢304 |
| Q41F-300Lb | 球阀DN100 | 内件材质不锈钢304 |
| Q41F-300Lb | 球阀DN150 | 内件材质不锈钢304 |
| Q41F-300Lb | 球阀DN250 | 内件材质不锈钢304 |
| Q41F-600Lb | 法兰球阀DN100 | 带锁开装置 |
| Q61F-600Lb | 锻钢球阀DN25 | |
| Q11H-25P | 内螺纹球阀DN20 | |
| Q11F-25R | 内螺纹球阀DN15 | |
| Q11F-25R | 内螺纹球阀DN25 | |
| Q11F-25R | 内螺纹球阀DN40 | |
| TQ41F-150LbP | 弹簧球阀DN25 | |
| DQ41F-150LbP | 低温球阀DN150 | |
| DQ41F-300LbP | 低温球阀DN80 | |
| DQ41F-150LbP | 低温球阀DN100 | |
| Q61F-300Lb | 锻钢球阀DN25 | 设计温度-46%%DC |
| DQ31F-150LbR | 低温异径球阀DN20 | |
| DQ31W-150LbR | 异径球阀DN20 | 设计温度-170%%dC |
| Q31W-150LbR | 异径球阀DN20 | |
| Q41F-150LbR | 球阀DN15 | |
| Q41F-150LbR | 球阀DN20 | |
| Q41F-150LbR | 球阀DN40 | |
| Q41F-150LbR | 球阀DN50 | |
| DQ41F-150LbR | 球阀DN25 | 设计温度-170%%dC |
| DQ61F-150LbR | 低温锻钢球阀DN25 | 设计温度-170%%dC |
| DQ41F-150LbR | 低温球阀DN200 | 设计温度-170%%dC |
| Q41F-150LbR | 球阀DN80 | |
| Q347F-600Lb | 手轮球阀DN150 | |
| Q41F-300Lb | 球阀DN100 | |
| Q41F-150LbP | 球阀DN150 | |
| YZQ-2C/Q11F-64P | 内螺纹球阀NPT1 | |
| Q41F-150LbC | 球阀DN40 | 带锁开装置 |
| YZQ-2C/Q11F-64P | 内螺纹球阀NPT3/4 | |
| Q41H-150LbC | 球阀DN80 | |
| Q41H-150LbC | 球阀DN200 | |
| Q41H-150LbC | 球阀DN40 | |
| Q41H-150LbRL | 球阀DN25 | |
| DQ41F-150LbR | 低温球阀DN50 | 设计温度-170℃ |
| Q41F-600Lb | 球阀DN100 | |
| Q91SA-64P-Φ12s | 承插焊球阀Φ12 | 304 |
| Q11F-16C | 内螺纹球阀DN25 | |
| Q11F-25D | 内螺纹球阀DN50 | |
| Q41F-25P | 球阀DN50 | |
| Q41F-63P | 球阀DN50 | |
| Q41F-150LbC | 球阀DN150 | 阀芯不锈钢 |
| Q41F-150LbC | 球阀DN20 | 阀芯不锈钢 |
| Q41F-150LbC | 球阀DN25 | 阀芯不锈钢 |
| Q41H-150LbP | 球阀DN200 | |
| Q41F-150LbC | 球阀DN15 | 阀芯不锈钢 |
| Q31F-300Lb | 异径球阀DN20 | |
| Q31F-150LbP | 异径球阀DN20 | 304/304L |
| Q347F-150LbC | 手轮球阀DN300 | 带锁开装置 |
| Q41F-300Lb | 球阀DN100 | 设计温度-46℃带锁开装置 |
| Q41F-150LbC | 球阀DN100 | 设计温度-46℃带锁开装置 |
| Q41F-300Lb | 球阀DN50 | 设计温度-46℃带锁开装置 |
| Q41F-150LbC | 球阀DN50 | 设计温度-46℃带锁开装置 |
| Q41F-300Lb | 球阀DN80 | 设计温度-46℃带锁开装置 |
| Q41F-150LbC | 球阀DN80 | 设计温度-46℃带锁开装置 |
| Q61F-150LbP | 三片式锻钢球阀DN25 | |
| Q15F-150Lbc | 内螺纹三通球阀DN20 | |
| Q41F-300LbR | 球阀DN20 | |
| Q31F-300LbR | 异径球阀DN20-NPT1/2 | |
| Q41F-25R | 球阀DN25 | |
| Q347F-300lb | 手轮球阀DN300 | |
| Q91SA-64P-Φ12 | 卡套球阀Φ12 | 304L |
| Q15F-150LbC | 内螺纹三通球阀DN15 | 内螺纹NPT1/2 |
| HADP-10W-I-8F-316-16RF-150 | 气源分配器带1/2NPT球阀1个排污阀带堵 | 316 |
| Q41F-900Lb | 球阀DN50 | |
| Q347F-1500lbP | 手轮球阀DN100 | 304/304L |
| Q41F-150LbP | 球阀DN250 | 304/304L |
| Q41F-900Lb | 球阀DN20 | |
| Q41F-300Lb | 球阀DN40 | 带CSO装置 |
| Q41F-300Lb | 球阀DN50 | 带CSO装置 |
| Q11F-25D | 内螺纹球阀DN15 | 带锁开装置 |
| Q11F-25D | 内螺纹球阀DN25 | 带锁开装置 |
| Q11F-25D | 内螺纹球阀DN40 | 带锁开装置 |
| Q31F-150LbC | 异径球阀DN20 | 设计温度-46℃带锁开装置 |
| Q31W-150LbP | 异径球阀DN20 | 带锁开装置 |
| Q31W-300LbP | 异径球阀DN20 | 带锁开装置 |
| Q41F-150LbC | 球阀DN40 | 设计温度-46℃带锁开装置 |
| Q41F-150LbC | 球阀DN20 | 带锁开装置 |
| Q41F-150LbC | 球阀DN20 | 设计温度-46℃带锁开装置 |
| Q41F-300LbP | 球阀DN25 | 带锁开装置 |
| Q41F-300Lb | 球阀DN25 | 设计温度-46℃带锁开装置 |
| Q41F-150LbC | 球阀DN25 | 设计温度-46℃带锁开装置 |
| Q31H-300Lb | 异径球阀DN20 | 设计温度-46℃带锁开装置 |
| Q41F-150LbP | 球阀DN15 | 带锁开装置 |
| Q41F-150LbC | 球阀DN25 | 带CSO装置 |
| Q41F-900LbP/PL | 球阀DN80 | 304/304L |
Page 3 / 3 · 549 part numbers
WCB, CF8 / CF8M (304 / 316), forged steel and duplex. Standards: API 600 / 608, ANSI B16.34, API 6D.
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
