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Stainless Steel Severe Service Union Bonnet Needle Valve, 0.35 Cv, 1/4 in. Swagelok Tube Fitting, PTFE Regulating Stem
Part #: SS-3NTRS4
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Specifications
Straight Pattern, Regulating StemNeedle valves with union-bonnet construction are available in a variety of materials, with working pressures up to 10000 psig (689 bar) and temperatures up to 1200°F (648°C). Log in or Register to view price ContactIf you have questions about this product, please contact your local authorized sales and service center. They can also tell you about supporting services to help you get the most out of your investment.
Safe Product Selection
The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user. Warning: Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers. 
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The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.
Warning: Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers.
Stainless Steel Severe Service Union Bonnet Needle Valve, 0.35 Cv, 1/4 in. Swagelok Tube Fitting, PTFE Regulating Stem
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Catalogs
Straight Pattern, Regulating Stem
工作压力高达 10 000 psig (689 bar); 使用 PTFE 填料时，温度范围可从 –53 至 232°C (–65 至 450°F)； 使用 Grafoil® 填料时，温度可高达 648°C (1200°F); 316 不锈钢；合金 400、20、600 和 C-276 以及钛材料
Features: Step-by-step identification procedure for threads and end connections.
This document specifies guidelines used by Swagelok® Company and its suppliers to ensure compliance with product cleanliness requirements as stated in ASTM G93 Level C. Application of the document is limited to wetted system components. This document must be used in conjunction with product catalogs, technical bulletins, and reports.
特点：限制对手动执行阀的使用；；锁定附件符合 OSHA 锁定/挂牌，Standard 29 CFR Part 1910.147，危险能源控制锁定；亮橙安全色可以提高能见度。也提供其它颜色。
Swagelok® Specification SC-10 defines the cleaning, lubrication, assembly, and packaging requirements for standard Swagelok products and describes practices used to meet these requirements.
Valve sizing often is described by the nominal size of the end connections, but a more important measure is the flow that the valve can provide. And determining flow through a valve can be simple.
Pages 1-3. Features: installation in high-pressure applications and high safety-factor systems.
如果必要的话使用散热器以防止过度加热内部元 件; 如果轨道焊接操作较好的话，可以不需要散热 设备; 确保阀门处于打开位置以在焊接过程中维持持续 的吹扫气流; 使用高质量的吹扫气体以保持清洁 并减少焊接污染.
安装尺寸大于1in.或者25mm的世伟洛克卡套管接头时请遵循本规范。
Specifications
SS-3NTRS4 — Stainless Steel Severe Service Union Bonnet Needle Valve, 0.35 Cv, 1/4 in. Swagelok Tube Fitting, PTFE Regulating Stem
| Attribute | Value |
|---|---|
| Body Material | 316 Stainless Steel |
| Cleaning Process | Standard Cleaning and Packaging (SC-10) |
| Connection 1 Size | 1/4 in. |
| Connection 1 Type | Swagelok® Tube Fitting |
| Connection 2 Size | 1/4 in. |
| Connection 2 Type | Swagelok® Tube Fitting |
| CV Maximum | 0.35 |
| Flow Pattern | Straight (2-way) |
| Handle Style | Aluminum Bar |
| Maximum Temperature, °F (°C) | 450 (232) |
| Max Temperature Pressure Rating | 450°F @ 4130 PSIG /232°C @ 284 BAR |
| Minimum Temperature, °F (°C) | -65 (-53) |
| Orifice | 0.156 in |
| Room Temperature Pressure Rating | 6000 PSIG @ 100°F /413 BAR @ 37°C |
| Stem Tip Material | PTFE |
| Stem Type | Soft-Seat PTFE |
| eClass (4.1) | 37010203 |
| eClass (5.1.4) | 37010201 |
| eClass (6.0) | 37010203 |
| eClass (6.1) | 37010203 |
| eClass (10.1) | 37010203 |
| UNSPSC (4.03) | 40141602 |
| UNSPSC (10.0) | 40141602 |
| UNSPSC (11.0501) | 40141602 |
| UNSPSC (13.0601) | 40141602 |
| UNSPSC (15.1) | 40141602 |
| UNSPSC (17.1001) | 40183103 |
Resources
Drawings
Two-dimensional renderings are available for this product. Download the CAD file.
Three-dimensional renderings are available for this product. Download the CAD file.
Sales drawings are available for this product. Download the files.
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Contact
If you have questions about this product, please contact your local authorized sales and service center. They can also tell you about supporting services to help you get the most out of your investment.