Definition -A Throttling Sleeve Key is a mechanical key used to secure a throttling sleeve to a shaft so both rotate together in correct alignment. Its purpose is to transmit torque and maintain the precise position of the throttling sleeve for controlled fluid flow. Throttling sleeve keys are commonly used in pumps, valves, and fluid control equipment.

Sunmach offers custom-machined Throttling Sleeve Keys manufactured from high-performance Nickel Alloys and Stainless Steel. Produced strictly as per customer drawings, these keys adhere to precise dimensional tolerances. Engineered for severe operating conditions, they are ideal for critical industrial and fluid-handling equipment applications.

We are an ISO 9001:2015 certified company, demonstrating our commitment to rigorous quality standards and consistent product excellence to deliver the best of the Nickel Alloys & Stainless Steel Throttling Sleeve Key.

We make these Throttling Sleeve Key from a range of high-performance & exotic materials such as : Hastelloy® C-276, Hastelloy® C-22, Hastelloy® B-2, Monel® 400, Monel® K-500, Inconel® 600, Inconel® 625, Inconel® 718, Titanium Grade 2, Titanium Grade 5, Titanium Grade 7, Duplex S31803, Duplex S32205, Super Duplex S32750 to various Stainless Steel grades of SS 304L, SS 316L SS 310, SS 310H, SS 347H, etc followed by Special Stainless Steel Grades such as 904L Stainless Steel, UNS N08904, DIN EN1.4539 Nitronic® 50, Nitronic® 60, UNS S21800, DIN EN, 254 SMO, UNS S31254, DIN EN 1.454, Stainless Steel 410 & Stainless Steel 420 etc.

Sunmach’s extensive manufacturing capabilities and In-Stock Genuine & Authentic Raw Material availability allows us to support demanding industrial requirements with durable, corrosion-resistant, heat resistant & reliable Shafts made from Genuine Nickel Alloys and Stainless Steel Material, delivered dot in time to any corner of the world, supported by all required test certificates and with 100% traceability.