Titanium Alloy Knife Gate Valve (Slug Gate Valve)
The Titanium Alloy Knife Gate Valve (also known as a Slug Gate Valve or Knife Valve) is a specialized isolation solution engineered for abrasive and slurry service, particularly within chemically corrosive pipelines. It is designed for definitive “full open, full close” control, where minimal pressure drop is required when the valve is open.
By utilizing high-performance Titanium alloy, this valve solves difficult corrosion challenges where traditional materials like stainless steel, copper, or aluminum are inadequate, offering superior safety, reliability, and extended service life.
🔑 Key Design and Operational Characteristics
- Knife Gate Mechanism: The valve disc is shaped like a “knife”, allowing it to cut through viscous media, soft solids, and suspended particles during closure.
- Function: Ideal for isolation where fluid throttling is not required. When fully open, it provides an unobstructed flow path.
- Titanium Material Advantage: The primary construction material is Titanium, chosen for its high cost-effectiveness in corrosive environments.
- Corrosion Solution: Its ability to resist attack from various corrosive agents makes it indispensable in non-metallic or specialized industrial pipelines.
- Safety and Reliability: The robust Titanium body and components ensure a safe, long-lasting solution in demanding process streams.
🏭 Ideal Application Environments
This valve is specifically suited for pipelines carrying media with suspended solids, fibers, or thick slurries combined with chemical corrosivity, common in:
- Pharmaceutical Industry: Handling critical process materials and waste streams.
- Fertilizer Industry: Isolation in chemically harsh, often abrasive lines.
- Textile Fiber Synthesis and Bleaching/Dyeing: Managing fibrous, often heated and chemically aggressive wastewater and process fluids.
⚙️ Specifications and Materials
| Parameter | Specification |
| Pressure Rating | PN1.0 – 1.6MPa |
| Nominal Diameter | DN50 – DN1000 | 2” – 40” |
| Actuation | Manual, Pneumatic, Hydraulic, Electric |
| Design Standard | GB/T12234 |
| Connection Style | Flanged |
| Main Component | Material Options (Titanium Grades) |
| Body / Bonnet | TA1, TA2, TA10, Gr2, Gr3 |
| Gate (Knife) | TA1, TA2, TA10, Gr2, Gr3 |
| Stem | TA1, TA2, TA10, TC4, Gr2, Gr3, Gr5 |
| Sealing (Seat) | NBR, EPDM, PTFE, Titanium Metal-to-Metal (TA1, TA2, Gr2, Gr3) |
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