Blaze Sales & Service
Manual Valve, 3-1/8º 5,000 PSI, Expanding Gate, WKM Type, DD Trim
Manual Valve, 3-1/8º 5,000 PSI, Expanding Gate, WKM Type, DD Trim
Blaze Expanding Gate Valve | 3-1/8" | 5K | WKM-Type
The Blaze Manual Expanding Gate Valve, 3-1/8", 5,000 PSI (5K), WKM-Type, is designed for reliable mechanical sealing and flow isolation in moderate-pressure production and surface operations. Its expanding gate mechanism applies mechanical force against both upstream and downstream seats, delivering positive sealing even when line pressure is low or inconsistent—an advantage over slab or FC-style valves.
Constructed from forged alloy steel and designed around proven WKM-style architecture, this valve supports consistent shutoff in systems handling hydrocarbons, produced water, drilling fluids, and other standard service media. The DD trim is suitable for non-sour service conditions, while the manual handwheel design provides controlled actuation without the need for hydraulic or electric equipment.
Built for field practicality, the valve features a rugged body, accessible internal components, and service-friendly construction. The Blaze 3-1/8" 5K Expanding Gate Valve offers dependable performance for operators requiring stable, mechanical sealing in production, flowline, and general surface operations.
Features & Benefits
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Expanding Gate Mechanism: Provides positive mechanical sealing independent of line pressure.
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5,000 PSI Rating (5K): Suitable for moderate-pressure production and surface systems.
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WKM-Type Body: Proven design supporting stable sealing and durable operation.
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DD Trim: Standard service trim suitable for hydrocarbons, water, CO₂, and non-sour environments.
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Manual Handwheel Actuation: Enables straightforward, reliable operation without external power.
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Forged Alloy Steel Construction: Designed for durability in field environments.
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Consistent Shutoff: Supports dependable sealing in fluctuating pressure conditions.
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Service-Friendly: Simple internal layout allows easy inspection and maintenance.
Specifications & Technical Details
Detailed Specification Table
| Category | Specification |
|---|---|
| Valve Type | Expanding Gate Valve |
| Size | 3-1/8" |
| Pressure Rating | 5,000 PSI (5K) |
| Design Style | WKM-Type |
| Trim Material | DD Trim (Standard Service; Non-Sour) |
| Body Material | Forged Alloy Steel |
| Operation Method | Manual Handwheel |
| End Connections | Flanged / EUE / BSP (configuration-dependent) |
| Industry Practice | Built to common standards for expanding gate valves |
| Service Type | Standard Oilfield Service |
| Typical Applications | Production, flowlines, surface piping, injection, testing |
| Temperature Rating | Based on selected materials |
| Testing & Compliance | Pressure-tested, NDT inspected, material-verified |
Applications
This expanding gate valve is suitable for moderate-pressure operations such as production flowlines, surface piping systems, testing units, injection lines, heater-treater setups, separator systems, and general field equipment. Mechanical sealing ensures reliable shutoff even when line pressure is variable or low.
Quality Assurance
Each valve undergoes hydrostatic pressure testing, functional actuation checks, NDT inspection, and material verification to ensure consistent sealing performance and reliability in field environments.
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