needle valve design standard

Simplifies system designs. 4-sided tapered stem for maximum handle contact. SINV needle valves by Mako products have a pressure rating of up to 5,000 PSI at 100°F and are 100% factory pressure tested with a nitrogen leak test. Construction Features n Pressure rating 6,000 psi and 10,000 psi. Due to our policy of continual product improvement, the specifications in this catalog may change without notice. When designing by spec, please request a certified print. Connection options include: male and female pipe thread, socket weld and tube or compression end. Needle valves are usually used in flow metering applications, especially when a constant, calibrated, low flow rate must be maintained for some time, such as the idle fuel flow in a carburetor. However, needle valves are designed differently. Our standard series needle valves can handle pressure upto 6000 psig (414 bar) at 100°F (38°C), while the high pressure series needle valves can handle pressure up to 10000 psig (689 bar) at 100°F (38°C). PFA-4RPS8 ... 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. Features. Stainless steel captive fixing screw with stainless spring for easier handle removal. Needle valve. Needle Valve - ANV 1 FF. Use Your Genuine Email to get Updates on this Ebook in the Future. Needle valve under test Variable resistance FIG. This body can be of forged carbon steel or stainless steel depending on the requirements of the services. Standard needle valves provide excellent flow control of all laboratory gases. N / UN Series Needle Valve The precision made âNâ Series, single isolation hand valve utilising metal to metal seat and body to bonnet connection for superior, bubble tight sealing capabilities at both extreme pressures and temperatures. Needle valves are designed to give very accurate â¦ Type Needle Valve Style Straight Pipe Size (Inch) 1/4 End Connections NPT Material Brass Maximum Working Pressure (psi) 3000.000 Seal Material PTFE MSC #: 30214712 HYDAC 1/4" Pipe, Inline Flow Control Needle Valve - SAE Ends, Carbon Steel Valve, 5,000 Max psi The rigid design gives repetitive bubble tight shut off, easy. Related Topics . Function of needle valves. Needle valves and multiport valves separate the process from measuring instruments such as pressure gauges, switches or transmitters. However, typical piping standards for single fixtures and outlets are as follows: Eliminating the need for an external locking device. Pipe Valve Features: • P Series valve design provides in-line pipe connections for 1/4" to 1" pipe sizes. The valves are used wherever fine control of liquids and gases flow is required. Tubing sizes are 1" for this high pressure valve. The self centering, non rotating stem ensures perfect seating. An applications guide for selecting valves. PHP specializes in the oil and gas and waterjet markets with typical applications including Chemical Injection Systems, Process Control Systems, Control Panels, Hydraulic Power Units (HPUâs), Hydrostatic Test Systems, Water Blasting and Waterjet Cutting. All Parker Autoclave Engineerâs needle valves are available with piston type pneumatic actuators. bleed valves, 2-3-5 Valve Manifolds, Needle Valves, Gauge Valves, Globe Valves & Ball Valves. The effect of changes in downstream pressure on the flow through the needle valve over a range of clinical flow rates The needle valve (fig. By closing this valve the instrument can be safely dismounted for services like recalibration or replacement. Refine product list Unlike shutoff valves, needle valves have a long, tapered, needle-like point at the end of the valve â¦ Precision High Pressure is the premier supplier of high pressure valves, fittings, tubing, and accessories with pressures up to 60,000 PSI. Mac-Weld Gauge Root Valves offer multifunction capability to isolate, calibrate and vent gauge, pressure switches and static instrument applications. The 049 needle valve bodies are machined from solid bar stock in 1.4404 316L. A seat can be a soft, metal, or composite, same as a globe valve. Standard valve fully opens in as little as 3 1/2 turns. Pipe sizing is also affected by the number of fixtures or outlets installed on a run. 1. Tubing connections utilizes Parker Autoclave cone and thread design. Used in all types of industries for controlling and metering applications of fluid such as steam, air, gas, oil, water, or other non-viscous liquids. Theyâre used to start, stop, and regulate the flow rate within a pipeline. Needle valves are designed to give very accurate control of flow in small diameter piping systems. Nominal diameter: 3/4". Needle valve under test Variable resistance FIG. The SINV needle valve can be ordered in a standard straight flow pattern or angle flow pattern design. Instrumentation Needle Valve STANDARD DESIGN NEEDLE VALVES IV Standard design needle valves are a high quality precision machined range of valves for regulating and shut off purposes and are suitable for general instrumentation. Special materials available on request. Needle valves can be used in situations where the flow must stop gradually and in the application where precise adjustments of flow are required or where a small flow rate is desired such as sample points in the piping, Needle valves can be used as both on/off and throttle valves. Standard valve fully opens in as little as 3 1/2 turns. A needle valve is a manual valve that used where continuous throttling of flow is required for regulation. Stainless Steel Needle Valves Needle valves (also known as plunger valves) are used to precisely regulate the flow of water, clear gasses, and other fluids. No chance of the handle slipping or loosening on stem. The âNâ Series also offers non-rotating hardened tip for extended service life. Normally needle valves are used in smaller sizes and are provided with either screwed or socket weld end. Your Ebook will Open in New Tab. Needle valves are similar to the globe valve in design with the biggest difference is the sharp needle-like disk. Provide reliable and consistent flow control in general- and severe-service applications with Swagelok needle valves available in a variety of designs, materials, sizes, and end connections. Packing gland/body thread interface consists of a preload locking internal thread form that is resistant to vibration. n Gland packing PTFE (240°C) Graphoil (648°C) Needle valve has forged and machined body. Needle valve have a small port and a threaded needle-shaped plunger. API 598 Valve â¦ Design:-The design requirements of B16.34, including minimum wall thickness, are used for ASME standard APV valves. 1. They are also suitable as reliable shut off valves. INTEGRAL BLEED BODY TO BONNET METAL SEAT. Why to use Needle Valve in Butt Weld and Socket Weld. Instrumentation Needle Valve STANDARD DESIGN NEEDLE VALVES IV Standard design needle valves are a high quality precision machined range of valves for regulating and shut off purposes and are suitable for general instrumentation. If greater corrosion resistance is needed the valves can be delivered in 1.4435-BN2 316L material. Needle valves are similar to the globe valve in design with the biggest difference is the sharp needle-like disk. Needle valves are used to accurately control flow rate. Principle of Operation: P Series (Pipe Style) Needle Valves are made available for those customers that prefer using pipe instead of high pressure instrumentation tubing for pressures up to 15,000 psi MAWP. Get a Quick Quote. Requirements for the size and material of supply piping are generally covered by local plumbing codes. The 049 valve is ideal for RO and High Purity water systems as well as gases. Can be manufactured to meet NACE MR-01-75, Grafoil Packing for temperature up to 800. 2) was fitted into the apparatus (fig. Body material: F304. Mac-Weld Instrument Needle and Gauge Valves incorporate high quality needle valves designed to operate at pressures up to 6000 psig with standard PTFE gland packing. 11.Needle valves Small sizes of globe valves fitted with a finely tapered plug are known as needle valves: (a) (b) (c) Three basic configurations are shown in Fig. PFA Needle Valve, 1/2 in. All the aspects of needle valve are the same as a global valve except its size and pointed needle-like disk. Standard high pressure needle valves with PTFE packing may The Wellhead Gauge and Bleed Valves are standard in 316 stainless steel material. Needle Valves Needle valves are among the most efficient and affordable needle valves on the market today. Baxcell valve products are the most technically advanced instrument valves available and are designed in accordance with ASME VIII and ANSI B16.34 standards. High pressure needle valves are generally used for high pressure hydraulic applications. No chance of … MATERIAL SPECIFICATION Diagrammatic representation of test apparatus. The tubing size is 9/16â to 1â. ANSI VALVE RATINGS, STANDARDS & DESIGN ASME B16.34 www.australianpipelinevalve.com.au 9-15 Boolcunda Avenue Salisbury Plain, South Australia 5109 Telephone +61 (0)8 8285 0033 Fax +61 (0)8 8285 0044 admin@australianpipelinevalve.com.au Click here to learn about Other Types of Valve, Thank You for subscribing to Hardhat Engineer. Solid stainless steel handle. Tubing connections utilize the Parker Autoclave cone and thread design. Construction and operation. Needle valves are similar to shutoff valves. The rigid design gives repetitive bubble tight shut off, easy. With over 60 years of cumulative experience in design and manufacturing of various highÂ tech products,Â the PHP team looks forward to continuing our tradition of delivering high quality products and dependable services to our customers across the globe. Â© 2020 Precision High Pressure. The wide selection of inlet and outlet configurations makes this valve extremely versatile. Diagrammatic representation of test apparatus. Swagelok Tube Fitting. n Gland packing PTFE (240°C) Graphoil (648°C) A needle valve has a relatively small orifice with a long, tapered seat, and a needle-shaped plunger on the end of a screw, which exactly fits the seat. 1. bleed valves, 2-3-5 Valve Manifolds, Needle Valves, Gauge Valves, Globe Valves & Ball Valves. Needle Valve - ANV 1 MM These needle valves are an ideal option for isolating or throttling applications. The flow can be controlled and regulated with the use of a spindle. Adjustments are gradual and smooth. Features â¢ Pressures to 6,000 psi (414 bar) â¢ 1/8" bore for 1/4" NPT valves BAXCELL valve … Stainless steel captive fixing screw with stainless spring for easier handle removal. The self centering, non rotating stem ensures perfect seating. Wellhead Gauge Valve, Needle Style Valve Pressures to 30,000 (2068 bar) Parker Autoclave Engineers Wellhead Gauge & Bleed valves are designed for reliable shut-off service at a maximum working pressure of 30,000 psi (2068 bar). Parker Autoclave's 100VM Series needle valves are a non-rotating rising stem design, with working pressures to 100,000 psi (6895 bar) with ¼” to 9/16” ” end connections. A disadvantage of needle valves is the relatively large pressure drop. Baxcell valve products are the most technically advanced instrument valves available and are designed in accordance with ASME VIII and ANSI B16.34 standards. Valves are certified by CSA International to comply with ANSI Z21.15 and CGA 9.1 for use on natural gas systems at pressures up to 1/2 PSI. Standard with tee bar handles. These valves are available in 316 Stainless Steel and two body patterns. Needle valves are similar to the globe valve in design with the biggest difference is the sharp needle shaped disk. API Standard 594 covers design, material, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for two types of check valves. Fluid flowing through the valve turns 90 degrees and passes through an orifice. BAXCELL valve â¦ They are the most versatile and widely used WaterSaver valve, well suited for almost every laboratory application. All rights reserved. Eliminates dropped or misplaced fixing screw. Using barstock construction and a robust stem, our design assures a â¦ Standard ERHARD RKV needle valves are designed for installation in horizontal or vertical pipes, whereby it is important to ensure that the valve is installed in the pipe according to the flow arrow cast onto the pipe. INTEGRAL BLEED BODY TO BONNET METAL SEAT. Part No. These needle valves are an ideal option for isolating or throttling applications. This arrangement permits a very gradual increase or decrease in the size of the opening. Pressure: 1000PSI-6000 PSI. Construction Features n Pressure rating 6,000 psi and 10,000 psi. 2) was fitted into the apparatus (fig. Needle Valves Technical Information PAGE 7 Model S-H1, S-M9S* Model S-M9S MIRROR FINISH STEM Burnished to 16 RMS ROLLED STEM THREADS BACK SEAT DESIGN *S-M9S has integral bleed plug See below. Eliminates dropped or misplaced fixing screw. ASME B16.34 Needle Valve, F304 Design standard: ASME B16.34. High temperature packing is available for service 600°F (316°C). Needle Valve in Weld Configuration are available as standard in 316 Stainless Steel. 2. Welding on Needle Valve is a permanent attachment method. Product Range Needle valve has a small port and a thread, needle-shaped core,allows precise regulation of flow. Stainless steel captive fixing screw with stainless spring for easier handle removal. An instrument needle valve uses a tapered pin to gradually open a space for fine control of flow. Needle Valves Technical Information PAGE 7 Model S-H1, S-M9S* Model S-M9S MIRROR FINISH STEM Burnished to 16 RMS ROLLED STEM THREADS BACK SEAT DESIGN *S-M9S has integral bleed plug See below. Reference should be made to such codes when laying out piping for service fixtures and safety equipment. Yoke valves feature low closing torque for ease of operation. Integral-Bonnet Needle Valves (0, 1, 18, 20, and 26 Series) Shop Catalog Integral-bonnet needle valve are compact needle valves available in a full range of sizes, configurations, and materials for a variety of applications. Six sizes of air actuators (light, mini-light, medium, heavy duty or extra heavy, single and double stage) are offered to meet the service requirements of Parker Autoclave Engineerâs Low, Medium and High Pressure needle valves. Two-piece, heavy-duty, non-rotating stem for a robust and reliable assembly. The effect of changes in downstream pressure on the flow through the needle valve over a range of clinical flow rates The needle valve (fig. The SUNV needle valves can be ordered in a standard straight flow pattern or angle flow pattern design and is panel mountable. Needle/Gauge Valve - Needle Valves Hard Seated Needle Valve-Model 6N2H Model 6N2H hard seated needle valve is designed for applications requiring throttling or shut-off. Pipe Fittings Inspection – Visual & Testings. Standard valve fully opens in as little as 3 1/2 turns. 4-sided tapered stem for maximum handle contact. Needle Valve, High Presssure - VM Series 100,000 PSI. Bi-directional flow capability. Nominal size reduction is possible, as ERHARD RKV needle valves are designed according to the flow velocity. Needle Valve Construction and Design. Solid stainless steel handle. Needle Valves, sometimes referred also as Plunger Valves, are regulating valves and enable engineers to finely control and regulate fluid flow and pressure. Parker Autoclave's SC Series needle valves are a non-rotating rising stem design, working pressures to 43,000 psi (2965 bar). They can be made from a variety of durable materials, including stainless steel. Standard with tee bar handles. â¦ Standard high pressure needle valves with PTFE packing may be operated from 0°F (-17.8°C) to 450°F (232°C). NV2H Needle Valves This valve series is factory sealed and disassembly will destroy the valve and void the warranty. but can also be supplied in other materials including Monel®, Hastelloy® C276, Inconel®, Incoloy®, Duplex, Super Duplex and Titanium. Due to needle shape disk, a certain portion of the disk will pass through seat opening before disk comes in contact with the seat, which has matching tapered design as a disk. You can refer to a globe valve for more detail. Live-loaded packing system; Compact design; Specifications MATERIAL SPECIFICATION Common sizes are from 1/8â up to 2â. A needle valve is a manual valve that used where continuous throttling of flow is required for regulation. All field analog instruments are fitted with a needle valve to control flow entry, where sudden surges of fluid under pressure can damage the instruments. Double sided weep holes for easier leakage verification. They get their name from their sharp-pointed conical disc and matching seat. Â¦ needle valve bodies are machined from solid bar stock in 1.4404 316L ANSI B16.34 standards every laboratory.! Click here to learn about other Types of valve, Thank you subscribing... Operated from 0°F ( -17.8°C ) to 450°F ( 232°C ) provided with either screwed or socket Weld socket! With piston type pneumatic actuators or stainless steel depending on the requirements of the opening void the.! For RO and high Purity water systems as well as gases, Inconel®,,... 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Little as 3 1/2 turns a soft, metal, or composite, as... Utilizes Parker Autoclave 's SC Series needle valves are a non-rotating rising stem design, working to... Widely used WaterSaver valve, F304 design standard: ASME B16.34 needle valve - needle valves are similar the. Their sharp-pointed conical disc and matching seat laying out piping for service (! Loosening on stem … needle valve uses a tapered pin to gradually open a space fine! Throttling of flow that is resistant to vibration durable materials, including stainless steel this... Thread design to start, stop, and regulate the flow can be made to such codes when out. A tapered pin to gradually open a space for fine control of flow is required for regulation type pneumatic.. Connections utilize the Parker Autoclave cone and thread design either screwed or socket.! Series needle valves are used wherever fine control of flow in small diameter piping systems Engineerâs needle are... By closing this valve Series is factory sealed and disassembly will destroy the valve turns 90 degrees passes... Their name from their sharp-pointed conical disc and matching seat in 1.4404.! Through the valve turns 90 degrees and passes through an orifice on needle valve designed. Temperature needle valve design standard is available for service 600°F ( 316°C ) Duplex and Titanium reliable shut valves! Or loosening on stem screw with stainless spring for easier handle removal to... Valve have a small port and a thread, needle-shaped core, allows regulation! Internal thread form that is resistant to vibration in-line pipe connections for 1/4 '' to 1 '' for this pressure... Needle shaped disk in 1.4404 316L Configuration are available with piston type actuators! Other materials including Monel®, Hastelloy® C276, Inconel®, Incoloy®, Duplex, Super Duplex Titanium! Request a certified print void the warranty and static instrument applications an ideal option for isolating or throttling.. And matching seat and is panel mountable a tapered pin to gradually open a space for control. To 450°F ( 232°C ) tubing connections utilizes Parker Autoclave 's SC needle... Stem design, working pressures to 43,000 psi ( 2965 bar ) Genuine Email get! Flow control of liquids and gases flow is required for regulation 049 needle valve, F304 standard. Thread design, including minimum wall thickness, are used to start, stop, and accessories pressures. Rotating stem ensures perfect seating where continuous throttling of flow in small diameter systems. Hard Seated needle valve uses a tapered pin to gradually open a space fine! Pressure hydraulic applications turns 90 degrees and passes through an orifice factory sealed disassembly... Core, allows precise regulation of flow is required the aspects of needle valves similar... F304 design standard: ASME B16.34 thickness, are used to start, stop and. Asme standard APV valves '' pipe sizes use Your Genuine Email to get Updates on this Ebook in the.... High temperature packing is available for service fixtures and safety equipment in 1.4404 316L, as. The sharp needle shaped disk standard high pressure valves, fittings, tubing, and the! Super Duplex and Titanium valve Features: • P Series valve design provides in-line connections. Fitted into the apparatus ( fig forged carbon steel or stainless steel material threaded needle-shaped plunger torque ease... Standard in 316 stainless steel and widely used WaterSaver valve, F304 design:. For 1/4 '' to 1 '' pipe sizes fluid flowing through the valve turns 90 degrees and through... 'S SC Series needle valves are used for ASME standard APV valves perfect.... Premier supplier of high pressure hydraulic applications Series 100,000 psi separate the process from instruments... Panel mountable in as little as 3 1/2 turns steel and two body patterns can also be supplied other! Of valve, high Presssure - VM Series 100,000 psi factory sealed and will. Torque for ease of operation Series needle valves are used for ASME standard APV.., Incoloy®, Duplex, Super Duplex and Titanium most versatile and widely used WaterSaver valve, high Presssure VM... Nominal size reduction is possible, as ERHARD RKV needle valves are an ideal option for isolating or applications! Configurations makes this valve Series is factory sealed and disassembly will destroy the valve and the! Be safely dismounted for services like recalibration or replacement, Thank you for subscribing to Hardhat.... Available as standard in 316 stainless steel captive fixing screw with stainless spring for handle. In accordance with ASME VIII and ANSI B16.34 standards the wide selection of inlet and configurations...