NG # 0433203-HW-TV-203
TEK API Steel Check Valve is a high-performance non-return valve engineered to prevent reverse flow in oil, gas, petrochemical, and power applications. Manufactured to API standards with durable steel construction, it ensures dependable sealing, low pressure loss, corrosion resistance, and extended operational reliability.
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Get A QuoteThe TEK API Steel Check Valve is designed to automatically prevent backflow and protect critical equipment in high-pressure industrial systems. Manufactured from premium cast or forged steel and compliant with API standards, it provides exceptional strength, corrosion resistance, and reliable sealing performance. Its optimized flow path minimizes pressure loss while ensuring smooth operation and long service life, making it ideal for oil & gas, refineries, petrochemical plants, and power generation facilities.
Product Type: API Steel Check Valve
Valve Type: Swing Check Valve / Lift Check Valve
Design Standard: API 6D, API 594, ASME B16.34
Face-to-Face Standard: ASME B16.10
End Connection: Flanged, Butt Weld (BW), Ring Type Joint (RTJ)
Pressure Class: Class 150, 300, 600, 900, 1500, 2500
Size Range: 2"–48" (DN50–DN1200)
Body Material: Cast Steel, Forged Steel, Stainless Steel, Alloy Steel
Disc Material: Stainless Steel / Alloy Steel / Stellite Facing
Seat Material: Stainless Steel, 13Cr, Stellite Overlay
Bonnet Type: Bolted Bonnet / Pressure Seal Bonnet
Operation: Automatic (Non-Return)
Flow Direction: One-Way Flow
Temperature Range: -29°C to +425°C (Material Dependent)
Testing Standard: API 598
Fire Safe Standard: API 607 (Optional)
Sealing Type: Metal-to-Metal Tight Shut-Off
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