美国飞托克二阀组，美国飞托克变送器专用二阀组 2DSS-FNS8-A 2-Valve Manifolds 316 SS Two-Valve Manifolds, 1/2 Female NPT Inlet/process, Flanged Outlet/instrument, 1/4 Female NPT Test/Vent 2DSS-FNS8-AG 2-Valve Manifolds 316 SS Two-Valve Manifolds, 1/2 Female NPT Inlet/process, Flanged Outlet/instrument, 1/4 Female NPT Test/Vent 2DSS-FNS8-L 2-Valve Manifolds 316 SS Two-Valve Manifolds, 1/2 Female NPT Inlet/process, Flanged Outlet/instrument, 1/4 Female NPT Test/Vent 2DSS-FNS8-LG 2-Valve Manifolds 316 SS Two-Valve Manifolds, 1/2 Female NPT Inlet/process, Flanged Outlet/instrument, 1/4 Female NPT Test/Vent 2DSS-FNS8-H 2-Valve Manifolds 316 SS Two-Valve Manifolds, 1/2"Female NPT Inlet/process, Flanged Outlet/instrument, 1/4" Female NPT Test/Vent 2DSS-FNS8-HG 2-Valve Manifolds 316 SS Two-Valve Manifolds, 1/2"Female NPT Inlet/process, Flanged Outlet/instrument, 1/4" Female NPT Test/Vent 2DSS-F-H 2-Valve Manifolds 316 SS Two-Valve Manifolds, 1/2"Female NPT Inlet/process, Flanged Outlet/instrument, 1/4" Female NPT Test/Vent 规格型号: 2DSS-FNS8-A 品名: 美国飞托克2阀组 型号描述: 316 SS Two-Valve Manifolds, 1/2 Female NPT Inlet/process, Flanged Outlet/instrument, 1/4 Female NPT Test/Vent 美国飞托克二阀组特点: ◎ 较大工作压力： 不锈钢：414 bar (6000 psig) 合金 C-276：414 bar (6000 psig) 合金 400：345 bar (5000 psig) ◎ 工作温度： PTFE 填料：-54°C 至 232°C (-65°F 至 450°F) 石墨填料：-54°C 至 649°C (-65°F 至 1200°F) ◎ 内通径：0.157 in. (4.0 mm)，CV：0.35 ◎ 两截阀杆设计，上阀杆螺纹经特殊硬化处理，下阀 杆表面经抛光硬化 ◎ 上阀杆螺纹的润滑脂与系统介质隔离 ◎ 非旋转的下阀杆上下运动代替螺纹升降，减少每个 行程对填料的磨擦，减少阀座和阀头之间的咬合 ◎ 阀门在全开位置具有背密封功能 ◎ 手柄采用两端螺钉锁紧，稳固耐用 ◎ 每只阀门在出厂前均以额定工作压力的氮气进行密封测试