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The steam jacket L-port three-way ball valve is a core fluid control valve used in industrial pipeline systems requiring fluid direction switching and high-temperature medium insulation. Its distinctive L-shaped runner structure independently controls the flow between two inlets and one outlet, realizing medium diversion, switching and merging, which perfectly matches production pipelines that frequently adjust fluid conveying directions.
The external steam jacket is the core differentiated design of this product: by filling steam into the interlayer of valve body, it keeps the internal medium at constant high temperature, effectively preventing wax, resin, asphalt and other easy-solidification media from cooling and blocking the valve cavity, greatly reducing pipeline maintenance frequency.
Different from ordinary three-way ball valves without heat preservation, our jacketed L port ball valve balances fluid control performance and constant temperature protection, and reserves complete customization space in material, driving mode and connection standard to meet personalized demands of global industrial purchasers.
● Compact Structure: Integrated casting valve body reduces overall occupation space, with ultra-low flow resistance inside the runner. It can stably operate in complex fluid control systems, cut down medium circulation resistance and minimize equipment energy consumption.
● Quick & Easy Operation: Spherical valve core design only needs 90° rotation to fully open or close the channel; manual lever operation is labor-saving, and pneumatic/electric actuators can realize automatic remote control to raise factory operation efficiency.
● Zero Leakage Sealing: Adopt PTFE soft seal and stainless steel hard seal two schemes, matched with V-shaped PTFE packing and flexible graphite gaskets. The sealing structure meets ANSI B16.104 zero spillage standard, no fluid leakage under high pressure and temperature working conditions.
● Stable High-Temperature Resistance: Steam jacket circulates heat evenly, hard seal version works under -40℃~300℃ long-term high temperature, soft seal version adapts to -40℃~180℃ medium, covering most industrial high-temperature medium transportation scenes.
● Diversified Customization: Multiple body, ball and stem material options, three driving modes and three connection types, port size from DN15 to DN300, pressure class from 150LB to 1500LB can be selected as per client’s pipeline standards.
| Packaging & Delivery | Plywood case or buyer request |
| Body | WCB, CF8(304), CF8(304L), CF8M(316), CF3M(316L) |
| Ball/Stem | 2Cr13, 0Cr18Ni9Ti(304) 00Cr19Ni11(304L), 0Cr17Ni12Mo2(316), 00Cr17Ni14Mo2(316L) |
| Sealing | PTFE, PPL |
| Packing/ Washer | V-shape PTFE, Flexible Graphite, Flexible Graphite Wounded Gasket |
| Port Size | 2"--12" |
| Pressure | 150LB--1500LB |
| Temperature of Media | High Temperature |
| Media | gas oil and water ect |
| Drive means | Manual , pneumatic , electric |
| Type of connection | Flange , thread , butt welded |
| Form | Type T,L three way ball valve |
| Inside nominal diameter DN(mm) | DN15-DN300 |
| Nominal pressure | 1.6 2.5 4.0 6.4Mpa |
| Liquid range | Air ,water, gas ,oil and petrochemical products corrosive medium |
| Working temperature | Hard seal:-40 --300 Soft seal:-40 --180 |
| Spillage | 0 conform to ANSIB16.104standard |
| Main material | Valve body : WCB 304 316 316L Spool: 304 316 316L |
| Seat form | Stainless steel movable hard seal, PTFE soft seal |
| Surface preparation | Polishing |
Anti-Blockage Steam Jacket Design: The built-in steam interlayer continuously heats the valve cavity, avoiding solidification and blockage of asphalt, paraffin and other high-viscosity media, greatly lowering valve maintenance cost.
Dual Sealing Solution for All Scenarios: Soft seal for low-temperature non-corrosive fluid, hard metal seal for high-temperature high-pressure corrosive medium, one product covers full working condition demands.
Full Export Standard Production: All materials meet international industrial standards, pressure test and sealing test pass export inspection, support OEM & ODM customization for global distributors.
Long Service Life & Low Maintenance: Corrosion-resistant stainless steel core parts, wear-proof PTFE seal, stable structure reduces replacement frequency, long-term use cuts overall pipeline cost.
Multi-Scene Matching Compatibility: Flexible selection of drive and connection ends, compatible with thermal energy, chemical, oil and gas, new energy pipeline projects.
It is a three-way ball valve is a valve with three passages and a spherical valve core.
Yes, the three-way ball valvee is specifically designed to handle high-pressure environments while ensuring reliable performance.
L port runner only realizes switching between two channels, fit for medium diversion; T port runner can realize mixing and shunting of three channels, fit for medium merging circulation. Our factory supplies both types for clients to choose.
Our lever operated jacketed L port three-way ball valve is manufactured with high-quality cast steel and stainless steel raw materials, with strict one-by-one pressure and leakage testing before delivery, guaranteeing stable durability and reliable sealing performance. The integrated steam jacket casting process avoids steam leakage of the interlayer, solving the core pain point of medium solidification for high-temperature pipeline users.
We provide flexible customized service on material, size, drive and packaging to meet diverse demands of global industrial purchasers. Our professional after-sales team offers timely technical guidance and fault solutions for all overseas orders. Choosing our jacketed three-way ball valve brings stable pipeline operation, low maintenance cost and worry-free long-term use experience.
