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Table of Contents
- The GFlo Globe Control Valve
- Technical specifications of GFLO Globe Control Valve
- Features of GFLO Globe Control Valve:
The GFlo Globe Control Valve
Superior performance in liquids and gaseous services is the hallmark of the GFlo Globe Control Valve by Zeco. Easy, quick, and economical maintenance makes the GFlo Globe Control Valve more user-friendly. The spring cylinder actuated GFlo imparts stiffness and maintains very high precision in positioning. A strong response, repeatability, and high-speed controlled movement are the characteristics absent in diaphragm-operated control valves. GFlo has the thrust capability to shut off against higher fluid pressures, up to 150 Psi / 10.30 Bar air supply.
Valve closure is dependent on springs in most diaphragm actuators. The unique design of GFlo enables it to combine the spring force, fluid pressure, and supply air pressure to achieve a tight shutoff. A self-aligning seat ring adds to and further improves the shutoff capability.
Galling at the cage is the culprit in many common maintenance issues with globe valves because of the close metal-to-metal contact between plug & cage. The GFlo has two top heavy-duty stem guides. Interference between the plug and seat retainer does not exist in GFlo. Easy and quick maintenance is due to the clamped-in seat and top entry trim.
Technical specifications of GFLO Globe Control Valve
| Body Type | 2 way, 3 way, Angle & Jacketed |
| Size Range | 0.5″ to 72″ |
| Pressure Class | ANSI CL150 to ANSI CL4500 |
| Body Materials | Capitalise Materials |
| End Connections | Flanged ( Integaral & Separable ), Screwed, Butt and Socket weld |
| Bonnet | Standard, Extended, Cryogenic & Bellow Sealed |
| Guiding | Heavy duty double top stem |
| Gland Packing | PTFE, Braided PTFE, Grafoil, Fugitive Emission, Vaccum |
| Gaskets | PTFE, Spiral Grafoil, Glass filled SS |
| Seat Ring | Clamped – Self Aligned |
| Plug | Large seat contact area large diameter stem is an integral part |
| Charactristics | Equal Percentage, Linear and Quick-open (On – Off) |
| Rangeability | 50 : 1 |
| Special Trims | CAVFLO, MEGAFLO, VC TRIM, TAPERFLO |
| Actuator | Spring Cylinder Linear, Fully Field Reversible |
| Air pressure | 4.0 to 10.0 Bar |
| Shut off class | With Metal seat – ANSI IV or V and replaceable Soft seat – ANSI VI |
Features of GFLO Globe Control Valve:
- Reliable High-thrust Cylinder Actuator.
- Accurate Positioning.
- High Repeatability.
- Double Stem Guiding does not come in contact with operating fluid.
- Sufficient Clearance between plug head and seat retainer to avoid galling.
- Self-Aligning seat ring.
- Shutoff assisted by fluid pressure, cylinder spring and air pressure.
- Corrosion resistant construction.
- High Thrust cylinder overcomes high pressures to provide exceptional tight shutoff.
- Anti-Cavitation and Noise Attenuation trim options.
- Heavy-Duty plug stem.
- Excellent Interchangeability between sizes and other MASCOT products.
- Valve design minimizes requirements for stocking spare parts.
- Stiff, Heavy-Duty parts provide extended life.
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