Name: 3-Way Ball Valve for Nitrogen, Hydrogen, CO2 and Mixed Gas
Availability: InStock

GKV-243 High Pressure 3 Way Ball Valve for Industrial Pure & Mixed Gas (H2, N2, CO2)

Size Range

Class 150: 1/2 "to 12" (DN15 to DN300), Class 300: 1/2 "to 6" (DN15 to DN150)

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).

Leakage

Class IV, Class V, Class VI

Stem Materials

ASTM A479 Type 316, ASTM A564 Type 17-4PH, ASTM A182 Type F51

Body Style

Compact Standard Port, Block-style Full Port

Seat Materials

TFM1600， Optional: Tek Fi ®*、 UHMWPE, RPTFE, PTFE, etc

Testing standard

ASME B16.34, All valve stems and seats are tested to 100 psi gas closure test for

bubble tight integrity before shipping, Vacuum Service to 29" Hg

Ball Materials

Stainless Steel A351 CF8 / CF8M，A182 F304 / F316 / F316L，A105，A216 WCB ，A350 LF2， Titanium B348 Gr.2 / Gr.5，Zirconium B493 R60702，Tantalum B365 R05200 / R05400，Hastelloy ，Nickel-Based Alloys，Inconel 600/625/825，Monel 400/ Monel K500，B463 Alloy 20，F51 (Duplex Stainless Steel)，A182 F51， A182 F22 ，A182 F904L

Face To Face

ASME B16.10, EN 588-1 F4/F5, DIN 3202 F4/F5, JIS B2002

Design Standard

ASME B16.34, EN12516, GB/T 12237

End Connections

Flanged Ends per ASME B16.5

Connect Platform

ISO5211

Ports

Full 3-Way & 4-Way with L, T & LL Ports

Applications

Mixing/blending line medias, Flow Diversion, Flow Bypass, Direct flow in/out of storage tanks, Shutoff flow from different directions

GEKO 3-Way High Pressure Ball Valve for Industrial Gas Media H2 N2 CO2 Mixed Gas

Main Technical Parameters :

Product Name: 3-Way High Pressure Ball Valve

Brand: GEKO

Pressure Class: 150LB ～2500LB

Max. Operating Temperature: + 260°C

Leakage Class: Class VI Zero Leakage

Connection Type: Flange

Flange Face: RTJ / SAE

Applicable Media: Hydrogen, Nitrogen, Carbon Dioxide, Mixed Gas

Four seat design:

As standard, the GKV-243 series valve also comes with an additional fourth seat. This valve seat is independently sealed to prevent leakage in the cavity area and maintain correct alignment of the sphere. The added valve seat integrates bidirectional control and closing functions into the same valve, with OFF positions located in both T-shaped and L-shaped port spheres. The GKV-243 series ball valve seat design ensures bi-directional bubble level sealing and low working torque.

3-Way Ball Valve for Hydrogen Nitrogen CO2 Mixed Gas

Ball/stem:

The connection design between the ball and stem ensures correct connection. The valve stem of the 1/4 "-2" valve is fixed with a pin, while the valve stem of the 21/2 "-12" valve stem is integrated with the ball and supported by an ear shaft bracket. All valve stems are provided with anti blowout protection. The sphere undergoes precision machining and mirror polishing to ensure bubble level sealing and reduce operating torque. The edge of the GKV-243 series ball valve ball is machined to reduce valve seat wear and extend its service life.

Unique design of GKV-243 three-way and four-way ball valves

Seat selection:

Provides a range of seat materials to meet the needs

of most applications. TFM is a standard material for valve seats.

Other options include RPTFE, PTFE, UHMWPE, and Tek Fi ®

(Carbon/graphite filled TFM). Tek-Fil ® The valve seat provides less

torque in high temperature, high cycle, and steam applications.

Interchangeability:

Many components, including ball, stem, seat,

stem, and valve body seals, can be interchanged between different

models of valves of the same size.

Chamber packing:

GKV-243 series valves offer optional chamber

packing. The cavity packing can reduce the possibility of medium

contamination caused by the retention of pipeline medium fluid in

the gap between the sphere and the valve body wall.

Safe installation:

The integral casting of the upper flange ensures

the correct installation of the actuator. Under full load pressure conditions,

the actuator device can be easily and safely disassembled. The

installation flange is designed according to ISO 5211 standard and

can be directly embedded for installation. By changing the position of

the travel limit pin bolt on the installation flange, standard valves can

achieve all flow modes.

Product Brochure

Soft sealed ball valve - English

Hydrogen Energy Production & Storage
Installed in hydrogen pipelines of electrolyzers, hydrogen refueling station storage/loading systems, and manifold valve groups for tube trailers.

Operating Conditions: High-pressure hydrogen service up to 900LB, requires Class VI zero leakage and anti-hydrogen embrittlement; ultra-pure hydrogen media with strict material and sealing requirements; withstands frequent pressure fluctuations for long-term stable sealing.
Chemical & Petrochemical Industry
Used in ammonia synthesis plants, hydrogenation reaction systems, and coal chemical gas pipelines.

Operating Conditions: Media include hydrogen, nitrogen, carbon dioxide, and mixed process gases with minor corrosive impurities; operating temperature ≤180°C, high pressure requiring corrosion resistance, temperature resistance, and reliable sealing; supports flow diversion, confluence, and switching for flexible process control.
Industrial Gas Distribution Systems
Applied in industrial gas stations, cylinder filling lines, and centralized gas supply systems.

Operating Conditions: Media include nitrogen, carbon dioxide, and mixed shielding gases; some scenarios involve alternating high/low temperatures; requires reliable 3-way flow control for frequent switching; RTJ & SAE flange connections compatible with high-pressure pipeline standards.
New Energy & Fuel Cell Systems
Used in fuel cell test benches, hydrogen refueling systems, and energy storage gas control units.

Operating Conditions: Ultra-pure hydrogen/mixed gas service with extremely strict leakage control (Class VI zero leakage); continuous operation requiring high reliability and long service life; flange connection for easy installation and maintenance.
Metallurgy & Heat Treatment
Installed in protective atmosphere heat treatment furnaces, nitrogen-hydrogen mixed atmosphere furnaces, and gas distribution systems for industrial furnaces.

Operating Conditions: Media include nitrogen, hydrogen, carbon dioxide, and mixed shielding gases; high-temperature operation up to 180°C; requires accurate 3-way flow control for gas switching/mixing and stable sealing performance.

ETIQUETAS CALIENTES :

Hydrogen Service Ball Valve

Nitrogen Carbon Dioxide Ball Valve

Electrolyzer Hydrogen Pipeline Valve

SS 3-Way Gas Ball Valve

Hydrogen Gas Diverting Valve

Anti-hydrogen Embrittlement Ball Valve

Mixed Gas 3-Way Control Valve

Hydrogen Refueling Station Valve

Gas Purification System Valve

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