
Stainless Steel Bevel Gear Round Port Through-Conduit Knife Gate Valve
Protected Isolation for Abrasive and Corrosive Fluids
This high-specification knife gate valve is engineered for the most demanding services, providing uncompromised flow integrity and superior longevity. The Through-Conduit design is its defining feature: when fully open, a full-bore smooth channel is created, shielding the gate seats and internal body cavities from the flowing media.
Constructed from Stainless Steel, the valve offers excellent corrosion resistance, while the Bevel Gear Operator drastically reduces the required manual torque, making this valve the ideal choice for effortlessly isolating large-diameter, abrasive, or viscous pipelines.
Key Features & High-Performance Engineering
| Feature Category | Technical Detail | Core Operational Benefit |
| Flow Protection | Through-Conduit (Full Bore) Design | Eliminates seat wear and minimizes pressure drop when open, as the valve acts as a continuous piece of pipe, protecting the internal mechanism from abrasion and corrosion. |
| Effort Optimization | Bevel Gear Operator | Significantly reduces the manual force (torque) required to cycle the valve, enabling a single operator to safely control large, high-pressure isolation points. |
| Material Durability | Stainless Steel Construction | Excellent resistance to corrosion and chemical attack, ensuring long service life in mild acids, caustics, and process fluids. |
| Connection | Flanged or Lugged (Standard) | Provides the necessary structural integrity for the high pressures often associated with through-conduit designs. |
| Operation & Indication | Rising Stem Design (Typical) | The moving stem provides clear visual confirmation of the gate position and can be easily fitted with position indicators or limit switches. |
| Sealing | Bi-Directional Capability (Inherent) | The design often inherently offers tight, reliable isolation against pressure from either side of the valve. |
Technical Specifications (Standard Through-Conduit Model)
| Parameter | Specification Range |
| Flow Design | Through-Conduit / Full Bore |
| Actuation Method | Bevel Gear Operated (Manual) |
| Body & Gate Material | Stainless Steel (SS304 or SS316) |
| Connection Type | Flanged or Full Lug |
| Port / Flow | Round Port |
| Stem Design | Rising Stem (Typically) |
| Pressure Rating | PN10, PN16, or ANSI Class 150/300 |
| Sealing Type | Metal Seated or Composite Seats (Protected by conduit) |
| Service Media | Corrosive fluids, mildly abrasive slurries, crude oil, viscous liquids, and high-purity media. |
Target Industry Applications
This valve is indispensable in critical pipeline systems that require flow protection and minimized turbulence:
- Oil & Gas / Pipeline: Isolation of crude oil, natural gas, and refined products where a pigging-compatible, full-bore design is required.
- Chemical Processing: Handling corrosive or sensitive fluids where maximum protection of the valve seat is necessary.
- Mining & Slurry (Mild): Isolation on process lines that require superior abrasion protection in the full-open position.
Automation Ready: The robust yoke and gear flange are built to standard mounting specifications, allowing for a seamless future upgrade to Electric or Pneumatic Actuators to support system automation.
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