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The GKV-143 series three-way L-Port T-Port ball valve is designed according to ASME B16.34 standard, with a rated pressure of 1000psi (63bar), and has been tested to comply with API 598 standard.
The GKV-143 series port ball multi valve provides solid reliability for high-pressure instruments in fluid and gas measurement applications.
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GKV-143 3-WAY L-PORT T-PORT BALL VALVE SCREWED END
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Size Range NPS 1/2" to 3",DN15 to DN 80 |
Body Materials ASTM A351 Gr CF8M |
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Temperature Range -31°C to 232°C |
Stem Materials ASTM A479 Gr 316 |
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Maximum Allowable Operating Pressure 1000PSI |
Seat Materials RPTFE、PVDF、Tek-Fil ®*、 PEEK, UHMWPE, etc |
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Shutoff Rating Zero Leakage |
Ball Materials ASTM A351 Gr CF8M |
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Body Style 3 Way |
Design Standard ASME B16.34 |
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End Connections Threaded NPT |
Testing standard API 598 |
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Ports L-shaped flow reducing port, T-shaped flow reducing port |
Connect Platform ISO5211 |
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Face To Face Manufacturer Standard |
Applications General purpose, Air, Water, Oil and Gas |
GKV-143 series 3-Way L-Port T-Port Ball Valve Screwed End ASME B16.34 standard

The GKV-143 series adopts a floating ball design,
which can achieve bubble level sealing, smooth
90 ° rotation operation, and low operating torque.
Made of 316 stainless steel, the GKV-143 series
valve body is manufactured in accordance with
NACE specifications. Other optional valve body
materials include duplex stainless steel, Hastelloy,
Monel alloy, titanium, etc.
The GKV-143 series valve body is marked with a
heat treatment code to ensure complete material
traceability.

Thread standard compatibility
Pipe Thread Standards:
ANSI B1.20.1 (NPT): American National Pipe Thread (Conical Thread)
DIN 259/DIN 2999: German Industrial Standard (Parallel/Conical Thread)
ISO 228: International Standard for Non Sealed Pipe Threads (BSP Parallel Threads)
BSP: British standard pipe thread (divided into BSPP parallel and
BSPT taper)
PT: Japanese standard pipe taper thread
Unique design of GKV143 three-way ball valve

The GKV-143 series is designed for high platforms and meets
the ISO5211 platform connection standard. The safety device
includes an internally installed anti blowout valve stem, a pin
connection port to prevent accidental loosening or disassembly,
as well as a locking kit and maintenance kit to secure the valve
in the open/close position.
GKV143 series three-way ball valve is applied in multiple industries
Petrochemical and natural gas industries
Municipal water supply and HVAC engineering
Ship and Ocean Engineering
Environmental Protection and Industrial Water Treatment