| Gate Valve Seats | ||
| Size Range | 1/2" to 56" (Custom sizes available) | |
| Pressure Rating | PN10-PN420 (Class150-2500) | |
| Body Material | A105, A350 LF2, A182 F304, A182 F316, A182 F321, A182 F51, A182 F53, A182 F55, A182 F60, A182 F44, A564 630 (17-4PH) INCONEL625, INCONEL718, INCONEL825, Monel 400, Monel 500 etc |
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| Core Process/Coating | ENP,HCR,STL6, STL12, STL20,Cr3C2, WC-Co, WC-Cr3C2-Ni, TiC-NiMo, SiC, CrC,ZrO2, Al2O3, Cr2O3, ZnO, TiO, Al2O3-TiO2,STL1, STL6, STL12,Ni60, Ni55, Ni45 etc. | |
| Operating Temperature Range | ≤1200°C | |
| Parameter Category | Core Technical Parameters | Standards for Determining Advanced Technological Level |
| Machining seat accuracy | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| Processing seat Roundness | ≤ 0.025 mm | ≤ 0.011 mm (Micron-Level ) |
| Seats concentricity | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| Other supplements | ≤ 0.4 μm | ≤ 0.1 μm (Mirror-Level) |
| Parameter Category | Core Technical Parameters | Criteria for High-End Technical Level |
| Coating Thickness Control | Thickness Uniformity | Thickness deviation at any spherical position ≤±8% (stricter than the general ±10% standard) |
| Thickness Tolerance Range | 100 - 300 μm (common range for wear-resistant layers); special ranges can be noted. No missed spraying for ultra-thin coatings (<10μm) | |
| Coating Adhesion Performance | Surface Hardness | HV 1300+ |
| Bond StrengthBond Strength | ≥80 MPa | |
| Interface PorosityInterface Porosity | <0.5% | |
| Coating Surface Quality | Surface Roughness (Ra) | ≤0.2 µm |
| Spraying Accuracy (Positioning & Coverage) | Spraying Positioning Accuracy | ±0.1mm |
Core Product: Gate Valve Seats for Definitive Isolation
The sealing performance of a gate valve hinges on the precise, parallel contact between the gate and the seat. Our gate valve seats are engineered to establish and maintain this perfect seal across various designs, including wedge, double-disc, and through-conduit configurations.
Precision Sealing for Absolute Closure: We manufacture seats to exacting tolerances, ensuring perfect alignment and full-face contact with the gate. This precision, combined with materials ranging from resilient elastomers and durable polymers to tough metals, provides the reliable, zero-leakage sealing required for critical isolation in oil & gas, water transmission, and chemical processing.
Built to Endure the Challenge of Wear: The sliding action of a gate inherently presents a wear challenge. Our seats are designed to address this through material selection and surface engineering. Options include hardened metal seats, composite materials, and wear-resistant coatings that significantly extend service life, even in services with abrasives or frequent operation.
Complete Support: From Specification to Service
We provide more than just components; we offer seamless support to ensure your gate valves perform throughout their lifecycle.
Source the Right Seat with Confidence (Buy Valve Seat)
Identifying the correct gate valve seat is crucial for performance. We simplify the process to buy valve seat, offering expert guidance to match our standard or custom-engineered seats to your specific valve model, pressure class, and media conditions.
Streamlined Maintenance with Valve Seat Kits
To facilitate efficient repairs, we provide comprehensive valve seat kits. These kits contain all necessary components-seats, seals, and fasteners-pre-matched for compatibility. This approach minimizes downtime by ensuring you have everything needed for a complete and correct valve seat replacement on hand.
Expert Guidance for Valve Seat Replacement
Performing a valve seat replacement correctly is key to restoring valve integrity. Our technical support offers clear procedures, best practice advice, and tooling recommendations to empower your team or assist our field service technicians in executing flawless maintenance.
Why Choose TongBall Gate Valve Seats?
Sealing Reliability by Design
Our focus on precise geometry and material compatibility ensures seats deliver consistent, leak-tight closure, cycle after cycle.
Durability that Reduces Lifecycle Cost
By enhancing wear and corrosion resistance, our seats extend maintenance intervals and valve service life, lowering your total cost of ownership.
Application-Specific Material Solutions
From cast iron and bronze for water services to stainless steels, Monel, and coated alloys for corrosive or high-temperature duties, we provide the optimal material for your application's challenges.
Proven in Demanding Service
Our components are trusted in global energy, utilities, and industrial projects, validating their performance where reliability is paramount.
The fundamental purpose of a gate valve is to seal completely. When that function is vital to your system's safety and efficiency, the seat you choose makes all the difference. TongBall provides the engineering excellence and material expertise that this responsibility demands.
For assistance in selecting durable gate valve seats, obtaining a ready-to-install valve seat kit, or planning your next valve seat replacement project, partner with TongBall. Let our precision components ensure your gate valves remain a dependable barrier in your pipeline.
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