世伟洛克® 针阀和计量阀
世伟洛克针阀和计量阀可在多种应用场合中实现精确的流量控制。
针阀 | 采用多种阀杆设计、流道形式、材料和端接，可实现可靠的流量控制
计量阀 | 可在不同压力和流量下对系统流量进行精细调节
世伟洛克针阀有多种配置可供选择，使用户能够找到符合其性能需求和系统设计的选项。从基本的低压仪表应用，到具有腐蚀性的高温高压应用场合，这些针阀都能实现可靠的运行。世伟洛克针阀的流量系数范围在 0.12 到 2.4 之间。它们还获得了符合 API 624 标准的低排放 (Low-E) 认证。
世伟洛克计量阀同样也有多种配置可供选择，适用于低压和高压环境，并且能够在分析、仪表和科研应用中实现精确的流量控制。在要求精确流量水平的应用中，它们可进行精细调节，流量系数范围从 0.004 到 0.16。计量阀有多种手柄选购件可供选择，可实现可重复的流量调节、增强的流量设定控制，或在低压应用中使用螺丝刀进行流量设定调节。
针阀和计量阀类别
Compact Gauge Valves
Designed for fast installation, leak-resistance, and durability to ensure safety in industrial applications.
Metering Valves, S, M, and 31 Series
Explore Swagelok metering valves, available in straight and angle patterns, 316 SS and brass, and with a variety of and connections and handle styles.
Rising Plug Valves, 4P and 5P Series
Swagelok rising plug valves offer a nonrotating stem tip that creates a positive seal and a straight-through orifice for maximum flow and easy cleaning.
Screwed-Bonnet Gauge Valves
Screwed-bonnet gauge valves provide controlled isolation and connection of process measurement devices to protect them from hydraulic shock and pressure surges.
Severe-Service Needle Valves, N and HN Series
Severe-service union-bonnet needle valves feature SS stem threads to enhance cycle life and a packing bolt designed to permit adjustments in the open position.
Spare Parts and Accessories
Find a variety of replacement parts and accessories for needle valves and metering valves—valve locks, rupture discs, handle kits—and more.
Toggle Valves
Explore compact toggle valves, available in stainless steel and brass, manual and pneumatically actuated models, and straight and angle body patterns.
中压针阀，NV 和 NVT 系列
NVT Series medium-pressure needle valves have a non-rotating stem and are available in straight and angle-patterns for pressures up to 60 000 psi (4134 bar).
针阀和计量阀目录
查找详细的产品信息，包括结构材料、额定压力和温度、选购件及配件。
Features: Straight and angle patterns; Pressures up to 6000 psig (413 bar); Temperatures up to 450°F (232°C) with PTFE packing; up to 650°F (343°C) with Grafoil® packing
Features: Manual and pneumatically actuated models; Straight, angle, and cross body patterns; 316 SS and brass body materials
Features: Stainless steel construction; Nonrotating ball-tip and plug-tip stem designs; Roddable (plug-tip design)
Features: Working pressures up to 10 000 psig (689 bar); Temperatures from –65 to 450°F (–53 to 232°C) with PTFE packing; up to 1200°F (648°C) with Grafoil® packing; 316 stainless steel; alloys 400, 20, 600, and C-276; and titanium materials
Features: Working pressures up to 10 000 psig (689 bar); Temperatures from –65 to 450°F (–53 to 232°C) with PTFE packing; up to 1000°F (537°C) with Grafoil® packing; Alloy 625, alloy 825, Alloy 2507, and 6-moly materials
Features: Roddable, straight-through orifice for maximum flow; Working pressures up to 6000 psig (413 bar); Packing below the threads; Replaceable seat and stem tip design
Features: The Swagelok® compact gauge valve provides fast, convenient installation and installation and gauge maintenance in a lightweight package and smaller footprint than conventional assemblies.
Features: Live-loaded packing system; Compact design; Working pressures up to 6000 psig (413 bar); Temperatures up to 600°F (315°C)
Swagelok® offers medium- and high-pressure fittings, tubing, valves, and related accessories with temperatures up 1000°F (537°C), pressure ratings up to 60 000 psig (4134 bar) in sizes ranging from 1/4 to to 1 in. for medium-pressure products and 1/4 to 9/16 in. for high-pressure products. NACE® MR0175/ISO15156 compliance is available.
Swagelok offers both low- and high-pressure metering valves in straight, angle, cross, and double patterns. A variety of end connection and handle options, including repeatable vernier handles, are also available.
Features: 316 stainless steel materials; Union-bonnet construction for safety; Grafoil® packing for high-temperature performance; Swagelok® tube fitting, female NPT, and tube or pipe socket weld end connections
Features: Pressures up to 3000 psig (206 bar); Temperatures up to 450°F (232°C) with PEEK stem tip; Stainless steel, brass, and alloy 400 materials
Features: Limits access to manually actuated valves;Lockout accessory enables compliance with OSHA Lockout/Tagout, Standard 29 CFR Part 1910.147, Control of Hazardous Energy Bright safety orange color promotes high visibility. Other colors are available.
世伟洛克为您精心准备的产品、服务和解决方案
如何为您的工业流体系统选择合适的阀门
了解如何应用实用的 STAMPED 方法来选择适合您的工业流体或取样系统设计应用的阀门。
使用低泄漏阀门尽可能地降低逸散性泄漏的成本
逸散性泄漏问题在化工和炼油行业中日益受到关注。通过认证的低泄漏(Low-E) 阀可以保障您的设施和基本要求。在这篇文章中了解何为低泄漏、如何对其进行测试以及它们是如何帮助您的。
如何使用截止阀隔离工业流体系统
在维护之前，隔离工业流体系统管路对于工厂的安全至关重要。隔离流体系统管路的安全方法之一是安装两个截止阀。了解如何为您的系统设计正确的配置。
一种全新的阀门。该阀能改变半导体制造的三大原因
了解原子层沉积 (ALD) 阀门技术的前沿创新如何改变高科技半导体制造商的游戏规则。
针阀
世伟洛克针阀有多种类型，适用于通用工况，整体式阀帽、螺纹式阀帽、锻造阀体、拨动开关、苛刻工况联合阀帽、仪表排污、紧凑型压力表、无旋转阀杆和提升旋塞阀等配置，额定压力高达 45 000 psig (3100 bar)。流道形式包括直通式、角式和四通式，驱动方式有手动和气动两种选择。
计量阀
世伟洛克计量阀可为低流量、中流量和高流量应用提供精确的流量控制。流道型式包括直通型、角型、四通型和和双重型，额定压力高达 5000 psig (344 bar)。滚花、圆形、微调、开槽和可调扭矩的手柄选购件可实现可重复的流量调节以及增强的设置流量控制，或在低压应用中使用螺丝刀调节流量设置。