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GKV-237 Series Three-Pieces Ball Valve Flanged End offers superior reliability, safety, and easy maintenance for industrial fluid control systems.
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GKV-237 FULL PORT THREE-PIECE MOUNT DIRECT TYPE FLANGE END BALL VALVE
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Size Range NPS 1/2" to 24",DN15 to DN 600
Temperature Range -50°F to 1472°F(-46°C to 800°C)
Operating Pressure ASME Class 150LB ~ 2500LB, EN 1092 PN10 ~ PN420 |
Body Materials ASTM A351 CF8, CF3, CF8M, CF3M (Cast stainless steel); ASTM A182 F304, F316, F316L, F904L, F51 (Duplex stainless steel, Forged stainless steel). ASTM A216 WCB, WCC (Cast carbon steel); ASTM A350 LF2, ASTM A352 LCB (low-temperature carbon steel); ASTM A105 (forged steel). ASTM A182 F22 (Cr-Mo alloy steel); Special Alloys (Nickel-Based & High-Performance): Inconel 600, 625, 825, Incoloy 800H, Hastelloy C276, C3, C4, Monel 400, Monel K500; B463 Alloy 20; ASTM B348 Titanium Gr.2, Gr.3, Gr.5, Gr.12; ASTM B493 Zirconium R60702, ASTM B365 Tantalum R05200, R05400 (Tantalum).
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Face To Face ASME B16.10, EN 588-1 F4/F5, DIN 3202 F4/F5, JIS B2002 |
Stem Materials ASTM A479 Gr 316 |
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Leakage Class IV, Class V, Class VI |
Seat Materials TFM1600/Tek-Fil®*/PEEK/RTFE/UHMWPE/Metal |
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Body Style Three Pieces |
Ball Materials Same as body |
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Design Standard ASME B16.34, EN12516, GB/T 12237 |
Stem Materials ASTM A479 Type 316, ASTM A564 Type 17-4PH, ASTM A182 Type F51 |
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End Connections Flange |
Testing standard API 598 |
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Ports Full bore |
Connect Platform ISO5211 |
The GKV-237 series is an ASME B16.34 full bore flanged floating/trunnion ball valve.

The GKV-237 series flanged ball valve comes in a variety of configurations and valve internals, making it ideal for use in various media including acid, alkali, corrosive chemicals, gases, hydrogen, and oxygen applications, as well as in the food and beverage (FDA compliant), pharmaceutical, water, and wastewater treatment industries. In these industries, corrosion resistance and sturdy structures can achieve long service life with minimal maintenance.
The GKV-237 series flanged ball valve is manufactured according to strict quality standards, featuring a sturdy anti spray valve stem design, adjustable dynamic load PTFE valve stem packing, and optional O-ring sealing system, designed to minimize fugitive emissions to the greatest extent possible.
This feature is particularly important in high-voltage applications, where enhancing safety is crucial.

The optional valve internals and configurations can be used for a wide range of industrial flange ball valve applications, including special alloys, ISO 10497 fire-resistant design, anti-static ability to prevent electrostatic discharge, high temperature resistance, graphite seals, V-ball control valve internals, and steam heat jacket models.
In addition, we also provide various accessories to enable valve customization to meet customer requirements.
The unique design of GKV237 Three-Pieces Ball Valve Flanged End

GKV-237 series flanged ball valves are available in stainless steel (CF8M),
carbon steel (WCB), and special alloys (such as alloy 20, Hastelloy, etc.)
materials, as well as other dissimilar alloys upon request. The non fire
resistant version is equipped with standard stem packing. API 607 fireproof
valve core is equipped with graphite valve stem packing. The GKV-237
series valve provides an integrated casting ISO 5211 installation platform for
easy automation operation.
The GKV237 series three piece full bore flange ball valve has applications in multiple industries
Petrochemical and natural gas industries
Municipal water supply and HVAC engineering
Ship and Ocean Engineering
Environmental Protection and Industrial Water Treatment