Sree Mahalakshimi Industries

Ball Valve Stems

Sree Mahalakshimi Industries was founded in 1997 by Mr. C. Thangaraj, leveraging his extensive industry expertise spanning 37 years in the design, development, and manufacturing of ball valve stems and components, trunnion-mounted ball valve components, and precision machined auto components.

They offer a diverse array of services specializing in the manufacturing of precision machined components, particularly renowned for their expertise in producing ball valve stems and trunnion mounted ball valve stems. Their product range encompasses components for Process Ball Valves, Pipeline Ball Valves, Gate, Globe, and Check Valves, as well as Butterfly Valves, serving clients across various Oil & Gas Refineries and Power Plants.

Utilizing high-grade international standard stainless steel alloys such as ASTM A479 TP 316, ASTM A479 TP 316L, ASTM A479 TP 304, ASTM A479 TP 410, ASTM A479 TP 416, ASTM A479 TP 431, ASTM A564 TP 630 17.4 ph Cond H1075/H1150, as well as duplex alloys including ASTM A182 Gr F51/F53/F60, and others like Nitronic Alloys Nitronic 50/XM 19, INCONEL alloys 600/601/625/690/718, MONEL Alloys 400/K-500, and AISI 4140, they ensure enhanced durability and longevity for their products.

Their product range includes adaptors, ball valve stems (of various types and sizes), dowel pins, glands, nuts, yoke bushes, yoke stems, gate stems, and a variety of ball valve stems with different features such as full ENP coating, double anti-static ball springs, single or double grooves, through holes, and O-rings.

Ball Valve Stems and Component Range:

  1. Adaptor:
    The adaptor is a versatile component used to facilitate connections or transitions between different parts or systems within machinery or equipment. It enables seamless integration and compatibility between various components.
  2. Ball Valve Stem (big):
    The large-sized ball valve stem serves as a crucial part of ball valve assemblies, responsible for controlling the flow of fluids or gases by opening or closing the valve. Its robust design ensures smooth operation and reliability in demanding industrial applications.
  3. Dowel Pin:
    Dowel pins are precision-engineered cylindrical rods used for aligning or joining two or more components accurately within machinery or assemblies. They provide stability, support, and precise positioning, enhancing the overall performance and longevity of the equipment.
  4. Gland:
    The gland is an essential part of valve assemblies, sealing mechanisms, or hydraulic systems. It provides containment and sealing for moving parts such as shafts or stems, preventing leakage of fluids or gases and maintaining operational efficiency.
  5. Nut:
    Nuts are threaded fasteners used in conjunction with bolts or screws to secure and tighten components in place. They play a critical role in maintaining structural integrity and preventing loosening or disassembly of parts under operational loads or vibrations.
  6. Yoke Bush:
    Yoke bushes are components used in valve assemblies or machinery to support and guide moving parts, such as valve stems or shafts. They reduce friction, wear, and noise while ensuring smooth and precise movement, thereby optimizing performance and durability.
  7. Yoke Stem:
    The yoke stem is a component commonly found in valve assemblies, serving as a connection point between the valve body and the actuator or operating mechanism. It transmits motion or force to the valve, enabling precise control of fluid flow or pressure.
  8. Single Piece Ball Valve Stem:
    This type of ball valve stem is designed as a single, integrated unit, providing efficient flow control and reliable performance in various industrial applications. Its streamlined construction simplifies installation and maintenance, making it a preferred choice for many valve systems.
  9. Trunnion Mounted Ball Valve Stem with Full ENP Coating:
    Trunnion mounted ball valve stems feature a robust design with additional support at the ball’s pivot points, enhancing stability and durability. The full Electroless Nickel Plating (ENP) coating provides corrosion resistance and extends the component’s service life in harsh environments.
  10. Gate Stem:
    Gate stems are integral parts of gate valves, responsible for raising or lowering the gate to control fluid flow. Their sturdy construction and precise machining ensure smooth operation and reliable sealing, making them suitable for various industrial applications.
  1. 3 Piece Ball Valve Stem with double Anti-Static ball spring:
    This type of ball valve stem features a three-piece construction with a double anti-static ball spring mechanism. It is designed to mitigate static electricity buildup within the valve, reducing the risk of sparking and potential hazards in environments where flammable gases or liquids are present.
  2. Ball Valve Stem with Single Groove:
    Ball valve stems with single grooves are engineered to provide enhanced sealing and stability within ball valve assemblies. The single groove design optimizes the contact area between the stem and sealing components, ensuring reliable performance and minimal leakage.
  3. Ball Valve Stem with through hole:
    Ball valve stems with through holes are designed with a hollow core, allowing for the passage of fluids or gases through the stem. This configuration facilitates enhanced flow control and pressure regulation, making it suitable for applications requiring precise fluid management.
  4. Ball Valve Stem with Double Groove:
    Ball valve stems with double grooves feature additional grooves or channels along their length, enhancing sealing and lubrication properties. The double groove design improves the stem’s resistance to wear and leakage, ensuring long-term reliability and performance in demanding operating conditions.
  5. 3 Piece Ball Valve Stem – Single:
    This type of ball valve stem is designed as part of a three-piece ball valve assembly, offering simplified maintenance and repair. The single-piece construction of the stem ensures ease of installation and replacement, minimizing downtime and enhancing operational efficiency.|
  6. Ball Valve Stem with Double O-ring:
    Ball valve stems with double O-rings are equipped with two sealing rings for enhanced leak resistance and reliability. The dual O-ring configuration provides redundant sealing barriers, ensuring tight shut-off and preventing fluid or gas leakage in critical applications.
  7. Gate Bush:
    Gate bushes are components used in gate valve assemblies to support and guide the gate’s movement within the valve body. They help minimize friction, wear, and misalignment, ensuring smooth operation and optimal sealing performance of the gate valve.

Each of these products plays a vital role in various industrial applications, contributing to the efficient operation, reliability, and safety of machinery and equipment in sectors such as oil and gas refineries, power plants, and manufacturing facilities.


Sree Mahalakshimi Industries
AC 31/16 6th Main Road,
SIDCO Industrial Estate,
Thirumudivakkam,
Chennai – 600044.

+91-044-42852076
info@smi-inc.in
http://www.smi-inc.in/index.html


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