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。
Needle and Metering Valve Categories
Blowdown Valves, 6DB Series
Our 316 stainless steel blowdown valves feature union-bonnet construction for safety and Grafoil® packing for high-temperature performance.
Compact Gauge Valves
Designed for fast installation, leak-resistance, and durability to ensure safety in industrial applications.
General Utility Needle Valves, GU and F10 Series
For use in general-purpose applications to isolate system media. The stainless steel, nonrotating needle promotes leak-tight shutoff and long service life.
High-Pressure Needle Valves, Sno-Trik 410, 445, 645, 945 Series
Sno-Trik needle valves meet the requirements of high-pressure applications—up to 45 000 psig (3100 bar)—and feature a weep hole for leak detection.
Integral-Bonnet Needle Valves, O, 1, 18, 20, 26, and D Series
Featuring a live-loaded packing system and compact design, these valves ensure optimal performance in pressures up to 6000 psig and temperatures up to 600°F.
Medium-Pressure Needle Valves, NV and NVT Series
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).
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.
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
How to Select the Right Valves for Your Industrial Fluid System
Learn how to apply the practical STAMPED method to select the valves most suited to your industrial fluid or sampling system design applications.
Minimize the Costs of Fugitive Emissions with Low-E Valves
Fugitive emissions are a growing concern in the chemical and petroleum refining industry. Certified low-emissions (Low-E) valves can protect your facility and bottom line. Learn what they are, how they are tested, and how they can help you in this post.
How to Isolate Industrial Fluid Systems with Block Valves
The isolation of industrial fluid system lines prior to maintenance is vital to plant safety. One of the safest ways to isolate a fluid system line is to install two block valves. Learn how to design proper configurations for your system.
One New Valve. Three Reasons It Could Change Semiconductor Manufacturing
Find out how the latest innovation in atomic layer deposition (ALD) valve technology is changing the game for high-tech semiconductor manufacturers.
Needle Valves
Swagelok needle valves are available in general utility service, integral-bonnet, screwed-bonnet, forged-body, toggle, severe-service union-bonnet, instrumentation blowdown, compact gauge, non-rotating stem, and rising plug valve configurations with pressure ratings up to 45 000 psig (3100 bar). Flow patterns include straight, angle, and cross, with actuation options including both manual and pneumatic.
Metering Valves
Swagelok metering valves deliver accurate flow rate control for low-, medium-, and high-flow applications. Flow patterns include straight, angle, cross, and double with pressure ratings up to 5000 psig (344 bar). Knurled, round, vernier, slotted, and adjustable-torque handle options allow for repeatable flow adjustments, enhanced control for setting flows, or flow setting adjustment with a screwdriver in your low-pressure applications.