Seamless Threaded Socket Schedule 40

A seamless threaded socket schedule 40 joins two threaded steel pipes in a straight line.

It suits small steam, air and fuel lines. In addition, the seamless body handles pressure evenly.

What is a seamless threaded socket schedule 40?

Seamless steel pipe is made without a welded seam, so it handles high pressure and temperature evenly. Seamless threaded fittings, such as schedule 40 sockets and unions, join small steel lines with screwed joints.

Threaded joints are quick to assemble and easy to take apart. Therefore, they suit small-bore steam, air, fuel and process lines, while larger lines are welded or flanged.

Key terms explained

Nominal pipe size (NPS)

The trade size of a pipe, such as 1 inch. Each NPS has a fixed outside diameter.

Schedule

A number that sets wall thickness for a pipe size. Schedule 40 is the common standard wall.

Carbon steel

Steel whose main alloying element is carbon. It is strong and weldable but needs protection from rust.

Butt weld

A weld that joins two pipe or fitting ends edge to edge.

Features and benefits

• No weld seam in the pipe or fitting body.
• Threaded joints for quick assembly.
• Schedule 40 wall for strength.
• Suits steam, air and fuel lines.

Technical specifications

Sizes, grades and ratings depend on stock and model. Tell us what you need, and we will confirm before you order.

Applications of a seamless threaded socket schedule 40

1. Steam lines. Joins steam mains and branches.
2. Boiler rooms. Connects feed, blowdown and header pipework.
3. Oil and fuel lines. Joins diesel and fuel oil lines.
4. Compressed air mains. Builds plant air distribution.
5. Fire mains. Joins steel fire water pipework where specified.
6. Process plants. Joins process water and utility lines.
7. Pump stations. Connects steel pump pipework.
8. Cooling water. Joins chilled and cooling water lines.
9. Structural frames. Joins pipe in rails and frames.
10. Repairs. Replaces worn fittings.

How to choose and install

• Match size and schedule to the pipe.
• Seal threads with a sealant suited to the fluid and temperature.
• Use unions where equipment must be removed.
• Protect carbon steel from rust.

Why choose Sparks Plumbing Experts

1. Every common pipe materialGI, PPR, PVC, HDPE, brass and stainless fittings are all stocked, so you can match any existing system.
2. Common sizes in stockMost fitting types come in several sizes, from small domestic sizes up to larger mains sizes.
3. Pipes, fittings and valves togetherPipes, fittings, valves, clamps and jointing products come in one order.
4. Help with thread and size standardsWe help you confirm inch and millimetre sizes before you buy, which avoids return trips.
5. Visit or collect in NairobiOur store is at KCB Building, Enterprise Road, in the Industrial Area, so you can see parts before you buy or collect your order.
6. Quotes your wayAsk for prices by phone, WhatsApp, email or the online quote form, whichever suits you on site.
7. Over 1,600 products in one placeOur catalogue covers 55 categories, so one supplier can handle most of your parts list.
8. Help choosing the right partSend a nameplate photo, a drawing or the old part, and we help you match size and specification.
9. Single items or project quantitiesWe price a single replacement part just as readily as a full site order.
10. Supply across East AfricaWe serve customers across Kenya, and we also supply buyers in Uganda and Tanzania.

Related products and accessories

• Seamless Socket Schedule 40
• 45° Elbow
• 90° Elbow
• Barrel Nipple

Browse more: Steel & Stainless Steel Pipes & Fittings · Flanges · Valves · Boiler Accessories.

Ordering from Sparks Plumbing Experts

We supply customers across Kenya, and we also serve buyers in Uganda and Tanzania. You can collect from our store at KCB Building, Enterprise Road, Nairobi, or ask us about delivery to your site. Send your quantities and specifications, and we will reply with prices and availability.

Request a Quote WhatsApp 0726 086 895

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