零部件号：  SS-45S8-1466

描述：  不锈钢 螺纹阀帽针形表阀， 3/4 in. NPT 外螺纹 x 1/2 in. NPT 内螺纹， 球头， 316 不锈钢 阀座 规格摘要 eClass （4.1）37010203、 eClass （6.0）37-01-02-03 UNSPSC （11.0501）40141602 UNSPSC （4.03）40141600 UNSPSC （SWG01）40141600 机体材料316不锈钢 连接1规格3/4 in. 连接1类型NPT外螺纹 连接2规格1/2 in. 连接2类型NPT内螺纹 特点球頭設計     

世伟洛克制造卡套管接头、球阀、针阀、表阀、调压阀、软管以及对多个行业（如发电、石油天然气生产、化学处理、生物制药、研究、半导体制造等等）流体系统解决方案至关重要的其它产品。世伟洛克针对从zui微小的分析仪器到zui大型的航海船只的各种设备提供流体系统产品和服务。    

“在10000多个接头中，没有一个泄露。”一位世伟洛克客户盛赞世伟洛克元件和卡套管接头以及世伟洛克分销商的支持，使其顺利建成了两座12000吨的石油钻探平台并赢得了独立第三方的合格证明。     世伟洛克不断改进其设计，使其产品能够应用于包括研究，分析和过程检测仪器、生物工艺、石油和天然气、电力、石化及半导体工业等诸多行业，并致力于解决泄露、振动、热冲击、工业标准、安装、腐蚀、混用与互换等关键问题。  

世伟洛克其他相关产品： SS-100-6 SS-200-6 SS-300-6 SS-400-6 SS-500-6 SS-600-6 SS-810-6 SS-1010-6 SS-1210-6 SS-1410-6 SS-1610-6 SS-1810-6 SS-2000-6 SS-2400-6 SS-3200-6 SS-2M0-6 SS-3M0-6 SS-4M0-6 SS-6M0-6 SS-8M0-6 SS-10M0-6 SS-12M0-6 SS-14M0-6 SS-15M0-6 SS-16M0-6 SS-18M0-6 SS-20M0-6 SS-22M0-6 SS-25M0-6 SS-28M0-6 SS-30M0-6 SS-32M0-6 SS-38M0-6 SS-50M0-6 SS-2M0-6-2 SS-2M0-6-4 SS-3M0-6-2 SS-4M0-6-2 SS-4M0-6-4 SS-6M0-6-1 SS-6M0-6-2 SS-6M0-6-4 SS-6M0-6-5 SS-6M0-6-5 SS-8M0-6-4 SS-8M0-6-6 SS-10M0-6-2 SS-10M0-6-4 SS-10M0-6-5 SS-10M0-6-6 SS-12M0-6-4 SS-12M0-6-5 SS-12M0-6-6 SS-12M0-6-8 SS-15M0-6-8 SS-16M0-6-10 SS-18M0-6-12 SS-20M0-6-8 SS-20M0-6-16 SS-25M0-6-16 SS-200-6-1 SS-300-6-1 SS-300-6-2 SS-400-6-1 SS-400-6-2 SS-400-6-3 SS-500-6-2 SS-500-6-4 SS-600-6-1 SS-600-6-2 SS-600-6-4 SS-600-6-5 SS-810-6-2 SS-810-6-4 SS-810-6-5 SS-1010-6-6 SS-1010-6-8 SS-1210-6-4 SS-1210-6-6 SS-1210-6-8 SS-1210-6-10 SS-1610-6-8 SS-1610-6-12 SS-3M0-6-2M SS-6M0-6-2M SS-6M0-6-3M SS-6M0-6-4M SS-8M0-6-6M SS-10M0-6-6M SS-10M0-6-8M SS-10M0-6-10M SS-12M0-6-6M SS-12M0-6-8M SS-12M0-6-10M SS-16M0-6-10M SS-16M0-6-12M SS-18M0-6-12M SS-25M0-6-18M SS-25M0-6-20M SS-30M0-6-18M SS-30M0-6-20M SS-30M0-6-25M SS-32M0-6-18M SS-32M0-6-20M SS-32M0-6-25M SS-38M0-6-20M SS-38M0-6-25M SS-38M0-6-30M SS-100-61 SS-200-61 SS-300-61 SS-400-61 SS-500-61 SS-600-61 SS-810-61 SS-1010-61 SS-1210-61 SS-1610-61 SS-2000-61 SS-2400-61 SS-3200-61 SS-3M0-61 SS-4M0-61 SS-6M0-61 SS-8M0-61 SS-10M0-61 SS-12M0-61 SS-14M0-61 SS-15M0-61 SS-16M0-61 SS-18M0-61 SS-20M0-61 SS-25M0-61 SS-30M0-61 SS-32M0-61 SS-38M0-61 SS-200-61-1 SS-400-61-2 SS-600-61-4 SS-810-61-4 SS-6M0-61-2 SS-100-1-1 SS-100-1-2 SS-100-1-4 SS-200-1-1 SS-200-1-2 SS-200-1-4 SS-200-1-6 SS-200-1-8 SS-300-1-2 SS-300-1-4 SS-400-1-1 SS-400-1-2 SS-400-1-4 SS-400-1-6 SS-400-1-8 SS-400-1-12 SS-500-1-2 SS-500-1-4 SS-500-1-6 SS-600-1-2 SS-600-1-4 SS-600-1-6 SS-600-1-8 SS-600-1-12 SS-600-1-16 SS-810-1-2 SS-810-1-4 SS-810-1-6 SS-810-1-8 SS-810-1-12 SS-810-1-16 SS-1010-1-4 SS-1010-1-6 SS-1010-1-8 SS-1010-1-12 SS-1210-1-6 SS-1210-1-8 SS-1210-1-12 SS-1210-1-16 SS-1410-1-8 SS-1410-1-12 SS-1410-1-16 SS-1610-1-8 SS-1610-1-12 SS-1610-1-16 SS-1810-1-16 SS-2000-1-16 SS-2000-1-20 SS-2400-1-24 SS-3200-1-32 SS-2M0-1-2 SS-3M0-1-2 SS-3M0-1-4 SS-4M0-1-2 SS-4M0-1-4 SS-6M0-1-2 SS-6M0-1-4 SS-6M0-1-6 SS-6M0-1-8 SS-8M0-1-2 SS-8M0-1-4 SS-8M0-1-6 SS-8M0-1-8 SS-10M0-1-2 SS-10M0-1-4 SS-10M0-1-6 SS-10M0-1-8 SS-10M0-1-12 SS-12M0-1-2 SS-12M0-1-4 SS-12M0-1-6 SS-12M0-1-8 SS-12M0-1-12 SS-14M0-1-4 SS-14M0-1-6 SS-14M0-1-8 SS-15M0-1-8 SS-16M0-1-6 SS-16M0-1-8 SS-16M0-1-12 SS-18M0-1-8 SS-18M0-1-12 SS-20M0-1-8 SS-20M0-1-12 SS-22M0-1-12 SS-22M0-1-16 SS-25M0-1-8 SS-25M0-1-12 SS-25M0-1-16 SS-28M0-1-16 SS-28M0-1-20 SS-30M0-1-20 SS-32M0-1-20 SS-38M0-1-24 SS-200-11-2 SS-400-11-2 SS-400-11-4 SS-600-11-4 SS-600-11-6 SS-600-11-8 SS-810-11-6 SS-810-11-8 SS-1210-11-12 SS-1610-11-16 SS-6M0-11-2 SS-6M0-11-4 SS-12M0-11-8 SS-100-7-1 SS-100-7-2 SS-200-7-2 SS-200-7-4 SS-300-7-2 SS-400-7-2 SS-400-7-4 SS-400-7-6 SS-400-7-8 SS-500-7-2 SS-500-7-4 SS-600-7-2 SS-600-7-4 SS-600-7-6 SS-600-7-8 SS-600-7-12 SS-810-7-4 SS-810-7-6 SS-810-7-8 SS-810-7-12 SS-1010-7-6 SS-1010-7-8 SS-1010-7-12 SS-1210-7-8 SS-1210-7-12 SS-1410-7-12 SS-1610-7-12 SS-1610-7-16 SS-2000-7-20 SS-2400-7-24 SS-3200-7-32 SS-100-C SS-200-C SS-300-C SS-400-C SS-500-C SS-600-C SS-810-C SS-1010-C SS-1210-C SS-1410-C SS-1610-C SS-1810-C SS-2000-C SS-2400-C SS-3200-C SS-2M0-C SS-3M0-C SS-4M0-C SS-6M0-C SS-8M0-C SS-10M0-C SS-12M0-C SS-14M0-C SS-15M0-C SS-16M0-C SS-18M0-C SS-20M0-C SS-22M0-C SS-25M0-C SS-28M0-C SS-30M0-C SS-32M0-C SS-38M0-C SS-100-P SS-200-P SS-300-P SS-400-P SS-500-P SS-600-P SS-810-P SS-1010-P SS-1210-P SS-1410-P SS-1610-P SS-2000-P SS-2400-P SS-3200-P SS-100-9 SS-200-9 SS-300-9 SS-400-9 SS-500-9 SS-600-9 SS-810-9 SS-1010-9 SS-1210-9 SS-1410-9 SS-1610-9 SS-1810-9 SS-2000-9 SS-2400-9 SS-3200-9 SS-100-2-1 SS-100-2-2 SS-200-2-1 SS-200-2-2 SS-200-2-4 SS-300-2-2 SS-300-2-4 SS-400-2-1 SS-400-2-2 SS-400-2-4 SS-400-2-6 SS-400-2-8 SS-500-2-2 SS-500-2-4 SS-500-2-6 SS-600-2-2 SS-600-2-4 SS-600-2-6 SS-600-2-8 SS-600-2-12 SS-810-2-4 SS-810-2-6 SS-810-2-8 SS-810-2-12 SS-1010-2-6 SS-1010-2-8 SS-1010-2-12 SS-1210-2-8 SS-1210-2-12 SS-1410-2-12 SS-1610-2-12 SS-1610-2-16 SS-2000-2-20 SS-2400-2-24 SS-3200-2-32 SS-200-8-2 SS-200-8-4 SS-300-8-2 SS-400-8-2 SS-400-8-4 SS-400-8-6 SS-400-8-8 SS-500-8-2 SS-500-8-4 SS-600-8-2 SS-600-8-4 SS-600-8-6 SS-600-8-8 SS-810-8-4 SS-810-8-6 SS-810-8-8 SS-1010-8-6 SS-1010-8-8 SS-1210-8-8 SS-1210-8-12 SS-1410-8-12 SS-1610-8-12 SS-1610-8-16 SS-400-5-2 SS-400-5-4 SS-600-5-2 SS-600-5-4 SS-600-5-6 SS-810-5-6 SS-810-5-8 SS-1210-5-12 SS-1610-5-16 SS-100-3 SS-200-3 SS-300-3 SS-400-3 SS-500-3 SS-600-3 SS-810-3 SS-1010-3 SS-1210-3 SS-1410-3 SS-1610-3 SS-1810-3 SS-2000-3 SS-2400-3 SS-3200-3 SS-2M0-3 SS-3M0-3 SS-4M0-3 SS-6M0-3 SS-8M0-3 SS-10M0-3 SS-12M0-3 SS-14M0-3 SS-16M0-3 SS-18M0-3 SS-20M0-3 SS-22M0-3 SS-25M0-3 SS-28M0-3 SS-30M0-3 SS-32M0-3 SS-38M0-3 SS-50M0-3 SS-200-4 SS-400-4 SS-500-4 SS-600-4 SS-810-4 SS-1210-4 SS-1610-4 SS-3M0-4 SS-6M0-4 SS-8M0-4 SS-10M0-4 SS-12M0-4 SS-16M0-4 SS-18M0-4 SS-20M0-4 SS-22M0-4 SS-25M0-4 SS-2-CN SS-4-CN SS-6-CN SS-8-CN SS-12-CN SS-16-CN SS-1-HN SS-2-HN SS-4-HN SS-6-HN SS-8-HN SS-12-HN SS-16-HN SS-2-A SS-4-A SS-6-A SS-8-A SS-12-A SS-16-A SS-2-E SS-4-E SS-6-E SS-8-E SS-12-E SS-16-E SS-1-SE SS-2-SE SS-4-SE SS-6-SE SS-8-SE SS-12-SE SS-16-SE SS-2-T SS-4-T SS-6-T SS-8-T SS-12-T SS-16-T SS-2-CS SS-4-CS SS-6-CS SS-8-CS SS-12-CS SS-16-CS SS-2-CP SS-4-CP SS-6-CP SS-8-CP SS-12-CP SS-16-CP SS-41GS1 SS-41GS2 SS-42GS4 SS-43GS4 SS-43GS6 SS-41GS3MM SS-42GS6MM SS-43GS6MM SS-43GS8MM SS-42GF2 SS-43GF2 SS-43GF4 SS-43GM4 SS-42GVCO4 SS-43GVCO4 SS-42GVCR4 SS-43GVCR4 SS-41GXS1 SS-41GXS2 SS-42GXS4 SS-43GXS4 SS-41GXS3MM SS-42GXS6MM SS-43GXS6MM SS-43GXS8MM SS-42GXF2 SS-43GXF4 SS-43GXF4RT SS-42GXVCR4 SS-43GXVCR4 SS-43ZFS2 SS-43ZF2 SS-43Z6FS1 SS-43Z6FS2 SS-62TS4 SS-62TS6 SS-63TS8 SS-63TS12 SS-65TS16 SS-67TS24 SS-68TS32 SS-62TS6MM SS-62TS8MM SS-62TS10MM SS-63TS12MM SS-63TS18MM SS-63TS25MM SS-62TF2 SS-62TF4 SS-63TF6 SS-63TF8 SS-65TF12 SS-65TF16 SS-67TF20 SS-67TF24 SS-68TF32 SS-63TM8L-GF8 SS-63TM12L-GF8 SS-62TSW4T SS-62TSW6T SS-63TSW8T SS-65TSW16T SS-67TSW20T SS-68TSW32T SS-62TW4P10 SS-63TW8P10 SS-65TW12P10 SS-67TW24P10 SS-68TW32P10 SS-62TW4T35-3 SS-63TW8T49-3 SS-65TW12T65-3 SS-62TVCO4 SS-63TVCO8 SS-62TVCR4 SS-63TVCR8 SS-63TTS8 SS-63TTS12 SS-65TTS16 SS-67TTS24 SS-68TTS32 SS-62TSC8 SS-63TSC12 SS-65TSC16 SS-67TSC24 SS-68TSC32 SS-W63TF8 SS-W65TF16 SS-83KF2 SS-83KS6 SS-83XKF4 SS-83XKS6MM SS-XSS4 SS-XSS6MM SS-XSF4 SS-XSM4 SS-XSM8 SS-XSVCR4 SS-XSVCR8 SS-XSVCO4 SS-XSVCO8 SS-2C SS-4C SS-6C SS-8C SS-12C SS-16C SS-6C-MM SS-10C-MM SS-12C-MM SS-2C4 SS-4C4 SS-6C4 SS-8C4 SS-12C4 SS-16C4 SS-4CA SS-6CA-MM SS-4CA1 SS-4CA-VCR SS-CHS2 SS-CHS4 SS-CHS6MM SS-CHF4 SS-CHF6 SS-CHF8 SS-CHM4 SS-CHM6 SS-CHM8 SS-CHVCO4 SS-CHVCR4 SS-CHVCR8 SS-4CP4 SS-8CP4 SS-4CP2 SS-8CP2 SS-4CPA4 SS-4CPA2 SS-8CPA2 SS-RL3S4 SS-RL3S6MM SS-RL3M4-S4 SS-RL3M4-F4 SS-RL4S8 SS-RL4M8S8 SS-4R3A SS-6R3A-MM SS-4R3A1 SS-R4S8 SS-R4M8F8 SS-4PDF4 SS-4PDGF4 SS-5PDF8 SS-4PDM4-F4 SS-5PDM8-F8 SS-2P4T SS-4P4T SS-6P4T SS-6P4T-MM B-2JN B-4JN B-6JN B-6JN-MM B-4JN4 B-2JN2 B-4JN2 B-4JN4-RT B-2JN2-RT B-4JN1 B-4JN5 SS-3NBF2 SS-3NBF4 SS-3NBM4 SS-3NBS4 SS-3NBSW4T SS-3NBVCO4 SS-3NBVCR4 SS-6NBF6 SS-6NBS6 SS-6NBS8 SS-6NBSW6T SS-6NBSW8T SS-6NBSW4P SS-6NBVCO8 SS-6NBVCR8 SS-3HNRF2 SS-3HNRF4 SS-3HNRM4 SS-3HNRS4 SS-6HNRF4 SS-6HNRF8 SS-SS1 SS-SS2 SS-SS4 SS-SS3MM SS-SS6MM SS-SVR4 SS-SM2-S2-A SS-MGVR4 SS-2MA SS-4MA SS-4LA SS-6LA-MM SS-31RS4 SS-31RS6MM SS-31RF2 SS-31RF4 SS-4GUF4-A SS-4GUF6-A SS-4GUF8-A SS-8GUF8-A SS-8GUF12-A SS-8GUF16-A SS-4GUF4 SS-4GUF6 SS-4GUF8 SS-8GUF8 SS-8GUF12 SS-8GUF16 SS-16GUF16 SS-4GUM4-F4 SS-4GUM6-F6 SS-4GUSW4T SS-8GUSW8T SS-6PNBGM8-F8 SS-6PNBGM8L-F8 SS-6PNBGM12-F8 SS-6PNBGM12L-F8 SS-6PNDGM8-F8 SS-6PNDGM12-F8 SS-6PNTGM8-F8 SS-6PNTGM12-F8 SS-6PNPGM8-F8 SS-6PNPGM12-F8 SS-V2BFS8 SS-V2BFS8-FL SS-V2BFS12MM SS-V2BF8 SS-V2BF8-FL SS-VL2NBF8-FL SS-V3NBF8 SS-V3NBFS8 SS-V3NBFL SS-VB5NBF8 SS-VB5NBF8-FL SS-VB5NBFS8 SS-4-VCO-4 SS-8-VCO-4 SS-12-VC0-4 SS-16-VCO-4 SS-4-VCO-4-BL SS-8-VCO-4-BL SS-12-VC0-4-BL SS-16-VCO-4-BL SS-4-WVCO-6-400 SS-8-WVCO-6-600 SS-8-WVCO-6-810 SS-12-WVCO-6-1210 SS-16-WVCO-6-1610 SS-4-VCO-3-4TA SS-8-VCO-3-6TA SS-8-VCO-3-8TA SS-12-VCO-3-12TA SS-16-VCO-3-16TA SS-2-VCO-3 SS-4-VCO-3 SS-6-VCO-3 SS-8-VCO-3 SS-12-VCO-3 SS-16-VCO-3 316L-4-VCO-3A 316L-8-VCO-3A 316L-8-VCO-3A6 316L-12-VCO-3A SS-4-WVCO-1-4 SS-8-WVCO-1-8 SS-8-WVCO-1-6 SS-4-WVCO-7-4 SS-8-WVCO-7-6 SS-4-VCO-6 SS-8-VCO-6 SS-4-VCO-61 SS-8-VCO-61 SS-8-VCO-6-4 SS-4-VCO-9 SS-8-VCO-9 SS-12-VCO-9 SS-16-VCO-9 SS-4-VCO-T SS-8-VCO-T SS-12-VCO-T SS-16-VCO-T SS-4-VCO-6-200 SS-4-VCO-6-400 SS-8-VCO-6-600 SS-8-VCO-6-810 SS-12-VCO-6-1210 SS-16-VCO-6-1610 SS-4-VCO-9-400 SS-8-VCO-9-600 SS-8-VCO-9-810 SS-12-VCO-9-1210 SS-16-VCO-9-1610 SS-2-VCO-1 SS-4-VCO-1 SS-6-VCO-1 SS-8-VCO-1 SS-12-VCO-1 SS-16-VCO-1 SS-4-VCO-1-2 SS-4-VCO-1-4 SS-8-VCO-1-6 SS-8-VCO-1-8 SS-12-VCO-1-12 SS-16-VCO-1-16 SS-4-VCO-7-2 SS-4-VCO-7-4 SS-8-VCO-7-6 SS-8-VCO-7-8 SS-12-VCO-7-12 SS-16-VCO-7-16 SS-4-VCO-2-2 SS-4-VCO-2-4 SS-8-VCO-2-6 SS-8-VCO-2-8 SS-12-VCO-2-12 6LV-2-VCR-3S-2TB7 6LV-4-VCR-3S-2TB7 6LV-4-VCR-3S-4TB2 6LV-4-VCR-3S-4TB3 6LV-4-VCR-3S-4TB7 6LV-8-VCR-3S-4TB7 6LV-8-VCR-3S-6TB2 6LV-8-VCR-3S-6TB7 6LV-8-VCR-3S-8TB2 6LV-8-VCR-3S-8TB3 6LV-8-VCR-3S-8TB7 6LV-4-VCR-3S-6MTB7 6LV-4-VCR-3S-8MTB7 6LV-2-VCR-3-2TB7 6LV-4-VCR-3-4TB2 6LV-4-VCR-3-02205 6LV-4-VCR-3-4TB3 6LV-4-VCR-3-4TB7 6LV-8-VCR-3-4TB7 6LV-8-VCR-3-6TB2 6LV-8-VCR-3-6TB7 6LV-8-VCR-3-8TB2 6LV-8-VCR-3-8TB3 6LV-8-VCR-3-8TB7 6LV-12-VCR-3-12TB7 6LV-16-VCR-3-16TB7 6LV-4-VCR-3-6MTB7 6LV-4-VCR-3-8MTB7 6LV-8-VCR-3-10MTB7 6LV-8-VCR-3-12MTB7 6LV-12-VCR-3-18MTB7 316L-4-VCR-3AS 316L-8-VCR-3AS6 316L-8-VCR-3AS 316L-4-VCR-36MAS 316L-4-VCR-38MAS 316L-8-VCR-310MAS 316L-8-VCR-312MAS 316L-4-VCR-3A 316L-8-VCR-3A4 316L-8-VCR-3A6 316L-8-VCR-3A 316L-12-VCR-3A 316L-16-VCR-3A 316L-4-VCR-36MA 316L-8-VCR-312MA 316L-12-VCR-318MA SS-1-VCR-3 SS-2-VCR-3 SS-4-VCR-3 SS-6-VCR-3 SS-8-VCR-3 SS-10-VCR-3 SS-12-VCR-3 SS-16-VCR-3 SS-4-VCR-3.50LG SS-4-VCR-3.75LG SS-2-VCR-3-2MTW SS-4-VCR-3-2MTW SS-4-VCR-3-4MTW SS-8-VCR-3-4MTW SS-8-VCR-3-6MTW SS-8-VCR-3-8MTW SS-12-VCR-3-12MTW SS-16-VCR-3-16MTW SS-4-VCR-3-4TA SS-8-VCR-3-6TA SS-8-VCR-3-8TA SS-2-VCR-1-1 SS-2-VCR-1-2 SS-4-VCR-1-2 SS-4-VCR-1-4 SS-8-VCR-1-4 SS-8-VCR-1-6 SS-8-VCR-1-8 SS-12-VCR-1-12 SS-16-VCR-1-16

美国世伟洛克Swagelok阀门代号：世伟洛克SS-6PNPGM8压力表针形阀压力表针型阀描述：不锈钢 螺纹阀帽针形表阀， 1/2 in. NPT 外螺纹 x 1/2 in. NPT 内螺纹， 旋塞头， PEEK 阀座SS-6PNTGM8-F8、SS-6PNPGM12-F8、SS-6PNBGM12-F8、SS-6PNBGM8-F8 美国世伟洛克Swagelok阀门代号：世伟洛克SS-6PNPGM8压力表针形阀 压力表针型阀描述：不锈钢 螺纹阀帽针形表阀， 1/2 in. NPT 外螺纹 x 1/2 in. NPT 内螺纹， 旋塞头， PEEK 阀座SS-6PNTGM8-F8、SS-6PNPGM12-F8、SS-6PNBGM12-F8、SS-6PNBGM8-F8 美国(Swagelok)世伟洛克阀门产品系列：美国世伟洛克Swagelok球阀、美国世伟洛克Swagelok针型阀、美国世伟洛克Swagelok仪表阀、美国世伟洛克Swagelok过滤器、美国世伟洛克Swagelok接头和工具附件等；美国世伟洛克swagelok 针型阀选用原则： 1、炼油装置的催化裂化装置的管路系统上，可选用升降杆式针型阀。 2、低温介质的管路系统和装置上，宜选用加上阀盖的低温针型阀。 3、化工系统的酸碱等腐蚀性介质的装置和管路系统中，宜选用奥氏体不锈钢制造的、聚四氟乙烯为阀座密封圈的全不锈钢针型阀。 4、需要进行流量调节时，可选用蜗轮蜗杆传动的、气动或电动的带V 形开口的调节针型阀。 5、石油、天然气的输送主管线、需要清扫管线的，又需埋设在地下的，选用全通径、全焊接结构的针型阀；埋设在地上的，选择全通径焊接连接或法兰连接的球阀。 6、冶金系统、电力系统、石化装置、城市供热系统中的高温介质的管路系统或装置上，可选用金属对金属密封针型阀。 7、成品油的输送管线和贮存设备，选用法兰连接的针型阀。 8、冶金系统中的氧气管路系统中，宜选用经过严格脱脂处理，法兰连接的针型阀。 9、城市煤气和天然气的管路上，选用法兰连接和内螺纹连接的针型阀。 美国世伟洛克swagelok针型阀系列产品：美国世伟洛克针形阀门放泄阀 世伟洛克swagelok针形阀门；世伟洛克高压针形阀门；世伟洛克整体阀帽针形阀门；螺纹阀帽针形阀门；世伟洛克无旋转阀杆整体阀帽针形阀门；世伟洛克PFA防腐针形阀门；世伟洛克压力表螺纹阀帽针形阀门；世伟洛克swagelok不锈钢螺纹阀帽针形阀门；世伟洛克提升旋塞、螺纹阀帽针形阀门；苛刻场合用联合阀帽针形阀门；世伟洛克拨动开关针形阀门 SS-4GUM6-F6 SS-4GUSW4T SS-8GUSW8T SS-6PNBGM8-F8 SS-6PNBGM8L-F8 SS-6PNBGM12-F8 SS-6PNBGM12L-F8 SS-6PNDGM8-F8 SS-6PNDGM12-F8 SS-6PNTGM8-F8 SS-6PNTGM12-F8 SS-6PNPGM8-F8 SS-6PNPGM12-F8 SS-V2BFS8 SS-V2BFS8-FL SS-V2BFS12MM SS-V2BF8 SS-V2BF8-FL SS-VL2NBF8-FL SS-V3NBF8 SS-V3NBFS8 SS-V3NBFL SS-VB5NBF8 SS-VB5NBF8-FL SS-VB5NBFS8 SS-4-VCO-4 SS-8-VCO-4 SS-12-VC0-4 SS-16-VCO-4 SS-4-VCO-4-BL SS-8-VCO-4-BL SS-12-VC0-4-BL SS-16-VCO-4-BL SS-4-WVCO-6-400 SS-8-WVCO-6-600 SS-8-WVCO-6-810 SS-12-WVCO-6-1210 SS-16-WVCO-6-1610 SS-4-VCO-3-4TA SS-8-VCO-3-6TA SS-8-VCO-3-8TA SS-12-VCO-3-12TA SS-16-VCO-3-16TA SS-2-VCO-3 SS-4-VCO-3 SS-6-VCO-3 SS-8-VCO-3 SS-12-VCO-3 SS-16-VCO-3 316L-4-VCO-3A 316L-8-VCO-3A 316L-8-VCO-3A6 316L-12-VCO-3A SS-4-WVCO-1-4