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Trueline Products

Our proprietary products and vast technical expertise in the valve industry allows Trueline to provide valve solutions for the most severe service applications.


Knife Gate Valves

Products Design Features


Uni-Directional Knife Gate (Resilient Seat Optional)
Knife gate valves are available with metal and resilient seat options. These valves (including resilient seat option) are typically used in the following applications:

• Pulp and paper.
• Municipal.


Bi-Directional Knife Gate Valve
These valves (including resilient seat option) are typically used in the following applications:

• Pulp and paper.
• Municipal.


Cast Iron Knife Gate Valve (Fig. F8115)
Cast Iron Knife Gate Valve available in Lug type and Wafer type designs.


Transmitter Isolation Valve
Special Service Full-Port Instrument Knife Gate Valve - Size 3"

Tank side flange permits blind bolting from the vessel exterior. All valves are provided with a ratchet operator which, together with the narrow face to face dimensions, allows the valve to be flush mounted to the vessel & thereby minimizes the dead space between the vessel & transmitter.


Stock Sampling Valve
Sampling valves are used for taking samples from stock lines or tanks.
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