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Eccentric Rotary Plug Control Valve

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Eccentric Rotary Plug Control Valve

Eccentric Rotary Plug Control Valve

The GKV225TV Eccentric Rotary Plug Control Valve combines globe valve performance with a compact rotary design. It delivers precise flow control, high rangeability, and reliable operation in demanding industrial applications. Its eccentric plug design, ATA actuator, and “zero breakout torque” feature enable smooth operation, reduced maintenance, and lower total lifecycle costs.

GKV Rotary Globe Valve – Smooth Operation, Low Torque & Long-Life Performance

 

Size Range

2” – 16” (DN50 – DN400), custom sizes available

 


Body & Bonnet Material

Carbon Steel: ASTM A216 Gr. WCC
Stainless Steel: ASTM A351 Gr. CF8M


Temperature Range

Carbon Steel: -20°F to 800°F (-29°C to 427°C)
Stainless Steel: -320°F to 800°F (-196°C to 427°C)

 


Stem / Shaft Material

Carbon Steel Bodies: 17-4 PH SS
Stainless Steel Bodies: 316 SS (Nitronic 50 optional for chemical applications), 17-4 PH for saturated steam


Working Pressure

Up to 725 psi (50 bar), ANSI Class 150, 300, 600 (per B16.34)

 


Seats & Seals

Solid Clamped
Soft Seat: 316 SS with PTFE-Ni insert (up to 450°F / 232°C)


Packing & Gland

PTFE/Kevlar (285 K asbestos-free), GRAFOIL optional

 


Trim / Plug Materials

316 Stainless Steel; Stellite #6
316 SS with hardfaced seat


Actuator Compatibility

Standard or High Torque ATA Actuator


Flow Direction

Flow to Open or Flow to Close


Special / Optional Materials

Optional Nitronic 50 for chemical applications


End Connection Standards

Flanged: ANSI 150, 300, 600


Design Standards

IEC 534-3-2, ANSI B16.34,EN12516, GB/T 12237

 


Applications

Industrial, chemical, and high-temperature fluid control systems

 


Safety Features

Blow-out proof shaft, large packing box per EPA, optional adjustable torque limiter and travel stops

 


Trim Types & Flow Capacity

LO-DB® Standard (Types 4 & 6), LO-DB® Hi-Cap (Types 5 & 7)
Seven different rated Cv for each valve size, reduced trim sizes 70% / 40% optional


 

High Rangeability: Eccentric plug offers 160:1 rangeability, far exceeding typical globe valves (50:1) and butterfly valves (20:1).

Adjustable Cv: Multiple reduced trim sizes allow a wide range of Cv values for optimal sizing during engineering selection.

High Pressure Capability: Standard actuator handles ~80% of applications; High Torque model available for extreme conditions.

Convenient Design: Actuator servicing, removal, and Cv adjustment possible under line pressure.

Rugged Trim & Handwheel: Patented design reduces torque; handwheel installable in-line without disassembly.

Safety Features: Adjustable torque limiter and optional travel stops ensure secure operation.

 

  • Eccentric Rotary Design: Smooth throttling with double-eccentric plug; eliminates metal-to-metal contact, reducing seat wear.

  • Globe Valve Performance: High precision flow control and tight shutoff.

  • Zero Breakout Torque: Smooth plug movement allows use of smaller actuators, reducing costs and maintenance.

  • Rugged Shaft & Plug: Hardened 17-4PH materials with large post bearings for durability and long service life.

  • High Rangeability & Adjustable Cv: 160:1 rangeability; multiple reduced trim sizes for flexible flow capacity.

  • Reduced Water-Hammer Effect: Smooth plug movement minimizes pressure shocks.

  • Safe & Reliable: Large packing box meets EPA requirements; shaft system prevents blowout.

  • Maintenance-Friendly: Actuator serviceable under line pressure; in-line Cv adjustment possible.

 

 

 

  •              Product Brochure
                Eccentric rotary valve - English
                                                                        

  • Oil & Petrochemical
    Used in refineries, chemical plants, and petrochemical pipelines for controlling fluid flow.

    Operating Conditions: High temperature up to 427°C, medium to high pressure (up to 50 bar), corrosion-resistant materials, precise flow regulation.

  • Natural Gas & LNG
    Applies to gas distribution networks, LNG regasification, and pipeline control.

    Operating Conditions: Extremely low temperatures down to -196°C, medium pressure, tight sealing requirements, minimal leakage, accurate flow control.

  • Power & Energy
    Used in boilers, steam pipelines, and thermal power plants.

    Operating Conditions: High-temperature steam, frequent pressure fluctuations, wear and impact resistance, rapid response for flow adjustment.

  • Pharmaceutical & Food Processing
    Controls liquids and process fluids in hygienic industrial pipelines.

    Operating Conditions: Medium temperature and pressure, corrosion-resistant 316L stainless steel, sanitary design, precise flow control, easy cleaning.

  • Marine & Offshore
    Used for cooling water, oil transfer, and deck pipelines on ships.

    Operating Conditions: Saltwater and corrosion resistance, vibration and impact tolerance, long-term stable operation.

  • Industrial Gas
    Controls compressed air, nitrogen, oxygen, and other industrial gases.

    Operating Conditions: Medium to low temperature and pressure, high cleanliness, minimal leakage, accurate flow regulation.

  • Metallurgy & Steel
    Used in smelting off-gas, cooling water, and chemical pipelines.

    Operating Conditions: High temperature and pressure, corrosive media, wear-resistant materials, fast flow adjustment.

  • Automotive & Mechanical Manufacturing
    Used in hydraulic and pneumatic process pipelines.

    Operating Conditions: Medium pressure and temperature, wear-resistant, long service life, low operating torque.

 

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