SRS Sizing Charts

SRS Sizing Chart for sanitary fittings is a comprehensive guide that provides information on the standard sizes and dimensions of various fittings used in sanitary systems.  Moreover, these fittings are specifically designed to ensure efficient and hygienic transfer of fluids in industries such as food processing, pharmaceuticals, and healthcare.

The chart typically includes a list of commonly used sanitary fittings, such as unions, elbows, tees, reducers, and clamps, along with their corresponding sizes.  Also, the sizes are often presented in both metric (millimeter) and imperial (inch) measurements to cater to different regional standards.

For each fitting, the sizing chart provides detailed information about its dimensions, which may include:

Diameter

The inner and outer diameters of the fitting, are crucial for ensuring proper connection and flow control.

Length

The total length of the fitting, including any additional attachments or extensions.

Wall thickness

The thickness of the fitting’s walls represents its durability and resistance to pressure.

Thread type

If applicable, the chart may specify the thread type used in threaded sanitary fittings, such as NPT (National Pipe Thread), BSP (British Standard Pipe), or metric threads.

Material compatibility

The chart may highlight the suitable materials for each fitting, such as stainless steel, brass, or various types of plastic, depending on the application requirements.

Connection type

The chart often indicates whether the fitting is intended for butt-welding, clamp connections, or other specific connection methods.

Now, here’s a description of a sizing chart for threaded fittings:

A sizing chart for threaded fittings provides crucial information about the sizes, dimensions, and thread types of various fittings commonly used in plumbing and piping systems.  In addition, threaded fittings are popular in industries such as plumbing, oil and gas, and general piping applications.

The SRS Sizing Charts typically include a comprehensive list of threaded fittings, such as elbows, tees, couplings, plugs, and bushings, along with their corresponding sizes and dimensional data. Also, similar to the sanitary fittings chart, the sizing chart for threaded fittings presents the sizes in both metric (millimeter) and imperial (inch) units.

For each threaded fitting, the sizing chart provides important details, such as:

Nominal Pipe Size (NPS)

This refers to the size designation for the pipe to which the fitting is attached. NPS values range from 1/8 inch to larger sizes, with each size having specific fitting dimensions associated with it.

Thread type

The chart specifies the thread type used in threaded fittings, such as NPT (National Pipe Thread), BSP (British Standard Pipe), or metric threads.  This information is vital for ensuring compatibility and secure connections between fittings.

Length

The chart may provide the overall length of the fitting, including the threaded portion.

Material compatibility

The chart often indicates the suitable materials from which the fittings can be manufactured, such as brass, stainless steel, or various types of plastics.

Pressure ratings

In some cases, the SRS Sizing Charts may include information about the maximum allowable operating pressure for each fitting size and material.

Finally, here’s a description of a sizing chart for flanged fittings:

A sizing chart for flanged fittings is a valuable resource that outlines the sizes, dimensions, and specifications of various flanged fittings used in piping systems.  Also, flanged fittings are commonly employed in industries such as oil and gas, petrochemicals, and water treatment plants.

The chart typically provides a comprehensive list of flanged fittings, including flanges, elbows, tees, reducers, and blind flanges, along with their respective sizes and flange ratings.  In addition, the sizing chart generally presents information in a combination of metric (millimeter) and imperial (inch) measurements to accommodate different regional standards.

For each flanged fitting, the sizing chart offers important details, which may include:

Nominal Pipe Diameter (NPD)

This denotes the size designation for the pipe connected to the flanged fitting. NPD values range from smaller sizes, such as ½ inch, to larger sizes.

Flange dimensions

The chart presents the dimensions of the flange itself, including the outer diameter, inner diameter, bolt-hole diameter, and overall thickness.

Flange rating/class

Flanged fittings are usually rated or classified based on pressure-temperature ratings, such as ANSI (American National Standards Institute) classes or PN (Pressure Nominal) ratings.  The chart indicates the appropriate rating or class for each fitting.

Material compatibility

The chart may mention the suitable materials for each flanged fitting, such as carbon steel, stainless steel, or specialized alloys, depending on the fluid being transferred and system requirements.

In summary, sizing charts for sanitary fittings, threaded fittings, and flanged fittings provide valuable information about the sizes, dimensions, thread types, and specifications of a broad range of fittings used in different industries.  These charts contribute to the proper selection and installation of fittings, ensuring efficient and safe fluid transfer within various applications.

  

SRS Sizing Charts

Sizing Guides, Charts & Resources

Sanitary Fittings –  SRS Sizing Charts Guide First of all, these actual size drawings are provided to eliminate sizing errors when specifying sanitary fittings. Also, the outside diameter is the same for 1/8″, 1/4″, 3/8″, 1/2″ and 3/4″ I.D., “mini” sizes (.0992 O.D.). Furthermore, the same holds for the 1″ and 1-1/2″ I.D. sizes(1.984″ O.D.). The 2″, 2-1/2″ and 3″ I.D. have specific O.D. diameters. Also, for your convenience and order accuracy, all of these drawings may be used as sizing, I.D., and O.D. patterns. For 4″ (not pictured): 3.75″ ID and 4.675″ OD

Nom SAE Dash Size	Nom Tube O.D. Inch
-2	1/8″
-3	3/16″
-4	1/16″
-5	5/16″
-6	3/8″
-8	1/2″
-10	5/8″
-12	3/4″
-14	7/8″
-16	1″
-20	1-1/4″
-24	1-1/2″
-32	2″

SAE Dash – SRS Sizing Chart

NPT – SRS Sizing Charts Guide Technical Data: 150 PSI Threaded SS Fitting; Also Dimensions to ANSI 16.3; Also Pressure to ANSI 16.5 Class 150LB- Also Material ASTM A351 CF8 AISI304 or ASTM A351 CF8M AISI316

Pipe Size (inches)	Threads per InchTPI- Pitch	Nominal Outside Pipe DiameterOD (inches)
1/16″	27	0.313
1/8″	27	0.405
1/4″	18	0.54
3/8″	18	0.675
1/2″	14	0.84
3/4″	14	1.05
1″	11-1/2	1.315
1-1/4″	11-1/2	1.66
1-1/2″	11-1/2	1.9
2″	11-1/2	2.375
2-1/2″	8	2.875
3″	8	3.5
3-1/2″	8	4
4″	8	4.5
4-1/2″	8	5
5″	8	5.563
6″	8	6.625
8″	8	8.625
10″	8	10.75
12″	8	12.75
14″	8	14
16″	8	16

 

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