Back to all ductile iron pipe fittings

All Socket Tee

All Socket Tee, is a type of pipe fitting that is used to join three sections of pipe at a right angle. It has three openings: one on each end and one in the center, forming a “T” shape. The connections are made by inserting the pipe into the socket and then form sealing by the Tyton gasket. Socket tees are commonly used in water pipeline applications where a secure and leak-proof connection is required.

All Socket Tee Drawing

T type DN80 to DN250

T type DN300 to DN600

K type DN80 to DN250

K type DN300 to DN600

K type DN700 to DN2600

All Socket Tee Dimensions

Nominal Diameter DN	Nominal Diameter dn	L	H	Mass(kg) T Type	Mass(kg) K Type
80	80	170	85	12.5	17.7
100	80	170	95	14.8	21.5
100	100	190	95	16.1	23.5
150	80	170	120	21.5	29.5
150	100	195	120	23.5	31
150	150	255	125	28	35.6
200	80	175	145	30	37.9
200	100	200	145	32	38.8
200	150	255	150	37	45
200	200	315	155	43	50.5
250	100	200	170	42	49
250	150	260	175	48	61
250	200	315	180	54	63.5
250	250	375	190	55	71.5
300	100	205	195	59	66.5
300	150	260	200	70	80.5
300	200	320	205	72	84
300	300	435	220	81	106
350	100	210	225	67.5	78
350	150	260	230	79.6	95
350	200	320	235	85	98
350	300	380	240	106	122
350	350	495	250	116	133
400	100	210	245	81	92
400	150	270	250	90	111
400	200	325	255	98	114
400	300	440	270	119	140
400	400	560	280	142	167
450	150	270	280	111	128
450	200	330	280	122	131
450	300	445	295	144	160
450	400	560	305	168	188
450	450	620	310	181	203
500	150	275	300	131	145
500	200	330	310	145	148
500	300	450	320	165	179
500	400	565	330	187	210
500	500	680	340	221	242

Bigger size also available upon requirement.

Function of All Socket Tee

The function of an all socket tee, commonly referred to simply as a socket tee, is to join three sections of pipe or tubing in a plumbing or piping system. It allows the flow of fluids (liquids or gases) to be directed in a “T” shape, meaning one inlet and two outlets, or vice versa. Here are the primary functions and uses of a socket tee:

Diverting Flow: A socket tee allows the main flow of fluid to be divided into two separate streams. This is useful in various plumbing and piping applications where the fluid needs to be directed to different branches.
Combining Flow: Conversely, a socket tee can also combine the flow from two separate pipes into one, directing it to a single outlet.
Changing Direction: It helps in changing the direction of the fluid flow within a piping system by creating a 90-degree branch.
Distribution: In systems where distribution of water, gas, or other fluids is required, a socket tee can serve as a central point for distribution to various parts of the system.
Versatility: Socket tees can be used in a wide range of applications, including residential plumbing, industrial piping, irrigation systems, and HVAC (heating, ventilation, and air conditioning) systems.
Ease of Installation: Socket tees are designed to be easy to install, usually by insert the spigot ends of pipes to the socket ends of all socket tee , sealing by the tyton type gasket.
Material Compatibility: They are available in various materials such as PVC, CPVC, steel, stainless steel, and brass, making them suitable for different types of fluids and operating conditions.

In summary, an all socket tee is a versatile and essential fitting used to manage and control the direction and flow of fluids in various piping systems.

Installation

Installing a ductile iron all socket tee typically involves the use of mechanical joints or push-on joints. Here’s a step-by-step guide for both methods:

Using Mechanical Joints:

Preparation:

Ensure the pipes and fitting are clean and free from dirt, grease, or any foreign substances.

Cut the pipes to the required length, ensuring clean and square cuts.

Assembly:

Slide the gland (follower ring) and gasket onto the pipe end. Ensure the gasket’s narrow edge faces the socket of the tee.

Insert the pipe end into the socket tee until it contacts the bottom of the socket.

Slide the gasket into the socket and ensure it is evenly seated against the pipe and socket.

Bolting:

Slide the gland towards the gasket and align it with the bolt holes in the socket flange.

Insert bolts through the flange and gland. Hand-tighten the nuts to hold the gland in place.

Use a torque wrench to tighten the bolts in a star pattern to ensure even compression of the gasket. Tighten the bolts to the torque specified by the manufacturer.

Inspection:

Check the joint for any misalignment or gaps.

Perform a pressure test if required to ensure the joint is leak-free.

Using Push-On Joints:

Preparation:

Clean the pipe ends and the socket of the tee, ensuring they are free of any debris or dirt.

Cut the pipes to the required length, making sure the cuts are smooth and square.

Lubrication:

Apply a thin layer of approved lubricant to the pipe end and the gasket inside the socket tee. This facilitates easier insertion and proper sealing.

Assembly:

Insert the pipe end into the socket tee, ensuring it is straight and aligned.

Push the pipe into the socket until it bottoms out against the socket’s internal stop. If necessary, use a bar and block to help push the pipe fully into the socket.

Inspection:

Ensure the pipe is fully inserted and there are no gaps between the pipe end and the internal stop of the socket.

Perform a pressure test to verify that the joint is leak-free.

General Tips:

Tools: Ensure you have the necessary tools on hand, including pipe cutters, a torque wrench, a lubricant applicator, and appropriate PPE (gloves, safety glasses, etc.).

Alignment: Proper alignment of the pipes and fitting is crucial for creating a secure and leak-free joint.

Manufacturer’s Instructions: Always follow the manufacturer’s instructions and recommendations for the specific type and size of the ductile iron fitting and pipes you are using.

Safety: Wear appropriate personal protective equipment and follow safety guidelines to prevent injuries.

By following these steps, you can successfully install a ductile iron all socket tee in your piping system, ensuring a reliable and durable connection.