API600 Cast Stainless Steel CF8 BB Gate valve

API600 Cast Steel Gate Valve is specifically engineered and manufactured in full compliance with the API 600 Standard (Bonnetless & Bolted Bonnet Gate Valves for Petroleum and Natural Gas Industries), crafted from high-quality cast steel (WCB, WC6, WC9, C5, C12, CF8C) to deliver exceptional performance in high-pressure, high-temperature, and harsh industrial environments. Designed for reliable on/off flow control of critical media, this gate valve features a robust cast steel body and precision-machined internal components, ensuring superior pressure resistance, corrosion resistance, and long service life—making it the preferred choice for petroleum, natural gas, petrochemical, and power generation industries worldwide.

Description

Key Features

 

– API 600 Full Compliance: Strictly adheres to API 600 (6th/7th Edition) standards, covering design, material selection, manufacturing, testing, and marking, ensuring compatibility with global petroleum and natural gas industry requirements.

-High-Grade Cast Steel Construction: The requests for CE,Impact test,NACE,Corrosion Allowance,PREN,Pitting test can be met.

– Robust Sealing Performance: Adopts metal-to-metal hard sealing (stellite overlay on gate and seat) for superior sealing reliability, zero leakage under rated pressure and temperature, and excellent wear resistance for frequent on/off operation in critical piping systems.

-Strict Quality Testing: Every valve undergoes API 600-mandated hydrostatic pressure test (shell, seat, and stem packing) and air tightness test, with optional NDT (Non-Destructive Testing) including ultrasonic testing, radiographic testing, and magnetic particle testing to ensure product integrity.

– Easy Maintenance: Bolted bonnet design for easy disassembly and maintenance; precision-machined stem with anti-friction packing (PTFE, graphite-low emission optional API624) to reduce operating torque and prevent stem leakage, extending service life.

 

Technical Specifications

 

-Design Standard:API600,BS1414,ASEM B16.34,DIN3352,EN ISO10434/EN1984

-End Connection: Flanged end (ASME B16.5,ASME B16.47,B16.11,B16.25,MSS-SP-44,EN1092),Butt welded end

-Face to face:ASME B16.10,EN558,Customized

-Test Standard: API598,EN12266

-Size:NPS 2″~48″

-Pressure: 150LB ~2500LB

-Body Material: Carbon Steel(WCB),Cr-Mo Steel(WC6/WC9/C5/C12),LTCS(LCC/LCB/LC1/LC2/LC3),Alloy Steel(Monel/Inconel/Hastelloy/UB6/Titan,etc),Stainless steel(CF8/CF8M/CF3/CF3M/CF8C/904L),Duplex Steel(4A/5A/6A),Bronze(C95400/C95800),etc

-Trim Material:1#/5#/8#/10#/12#,etc

-Bonnet Type:Bolted bonnet,Pressure seal bonnet(PSB),Extended bonnet

-Operation:Handwheel,Gearbox,Electric,Pneumatic,Bare shaft with ISO top flange, etc.

 

Application

 

-Operating Temperature:-29℃ ~ 593℃ (varies by cast steel material: WCB: -29℃~425℃; WC6: -29℃~593℃; CA6NM: -46℃~482℃)

-Primary Media: Crude oil, natural gas, refined petroleum products, high-temperature steam, boiler feedwater, chemical process fluids, and other high-pressure/high-temperature industrial media.

-Applicable Scenarios: Petroleum refineries, natural gas transmission and processing plants, petrochemical plants, thermal power plants, chemical factories, offshore oil/gas platforms, and other critical industrial piping systems requiring API 600 compliance.