Products

Introducing the BS 1868 Bolted cover swing check valve by WELCO Valve Co., Ltd., a high-quality and reliable product designed for various industrial applications. This valve is constructed with a bolted cover and swing type disc, ensuring excellent sealing performance and preventing backflow of fluids. With its durable construction and precision engineering, this valve is suitable for use in oil and gas, petrochemical, power generation, and other demanding industries. The BS 1868 Bolted cover swing check valve is designed and manufactured to meet the stringent quality standards, providing dependable and long-lasting performance in challenging environments. Trust WELCO Valve Co., Ltd. for a superior solution to your check valve needs

WELCO Valve Co., Ltd. offers a high-quality Ni-Al bronze check valve that meets the DIN standard. This valve is designed to prevent backflow and ensure reliable and efficient flow control in various industrial applications. The Ni-Al bronze construction provides excellent corrosion resistance and durability, making it suitable for use in harsh environments. The valve is designed and manufactured to meet the stringent standards set by DIN, ensuring its reliability and performance. WELCO Valve Co., Ltd. is committed to providing top-quality valves that meet the needs of their customers, and their Ni-Al bronze check valve is a testament to their dedication to excellence in valve technology

Introducing the PSB full bore check valve by WELCO Valve Co., Ltd. This high-quality valve is designed to provide reliable and efficient flow control in various industrial applications. With its full bore design, the PSB check valve offers minimal pressure drop and maximum flow capacity. It also features a robust construction and a tight shut-off, ensuring long-lasting performance and minimal leakage. This valve is suitable for use in demanding environments and is available in a range of sizes to meet different requirements. WELCO Valve Co., Ltd. is known for its commitment to product excellence and the PSB full bore check valve is no exception, offering outstanding quality and performance for a wide range of applications

Introducing the Full Bore Swing Check Valve from WELCO Valve Co., Ltd. This high-quality valve is designed to allow for unobstructed flow, providing reliable and efficient performance in various industrial applications. The full bore design minimizes pressure drop and turbulence, while the swing check mechanism ensures smooth operation and prevents backflow. With a focus on durability and longevity, this valve is constructed from robust materials to withstand harsh conditions and corrosive environments. WELCO Valve Co., Ltd. is committed to delivering exceptional products that meet the highest standards of quality and performance. Choose the Full Bore Swing Check Valve for reliable flow control and peace of mind in your operations

Nominal diameter: 8"

Pressure rating: Class 900#

Connection: RJ wafer lugged as per ASME B16.5

Body material: A216 WCB, trim: SS304L+Stellite

Features: Y pattern forged body, stainless steel internal parts.  

Nominal diameter: DN300 (12")

Pressure rating: PN250 (25.0MPa)

Connection: RF flanged as per EN 1092

Body material: A352 LCC

Trim: 13%Cr+STELLITED

Operation: automatic

Features: pressure seal cover, swing disc, cast steel body, stainless steel trim. 

Nominal diameter: DN750 (30")

Pressure rating: ANSI Class 150 

Connection: RF flanged as per ASME B16.47-B series

Body material: A216 WCB

Trim: 13%Cr

Features: swing disc, cast steel body, stainless steel trim. 

Nominal diameter: DN350 (14")

Pressure rating: ANSI Class 600 

Connection: RF flanged as per ASME B16.5

Body material: A217 WC6

Trim: 13%Cr+stellited

Features: swing disc, cast alloy body for high temperature service, stainless steel trim. 

Nominal diameter: DN600 (24")

Pressure rating: ANSI Class 600 

Connection: RF flanged as per ASME B16.5

Body material: A216 WCB

Trim: 13%Cr+stellited

Features: API 594 standard, dual-plate disc, cast steel body, stainless steel trim. 

Nominal diameter: DN150 (6")

Pressure rating: ANSI Class 150 

Connection: RF flanged as per ASME B16.5

Body material: CK3MCuN

Trim: CK3MCuN+STL6

Features: swing disc, duplex stainless steel body and trim. 

Nominal diameter: DN150 (6")

Pressure rating: ANSI Class 1500 

Connection: RF flanged as per ASME B16.5

Body material: ASTM A351 CF8M

Trim: SS316+STELLITED

Features: ASME B16.34, swing disc, stainless steel body and trim. 

Nominal diameter: DN200 (8")

Pressure rating: ANSI Class 900 

Connection: RF flanged as per ASME B16.5

Body material: ASTM A216 WCB

Trim: SS304+STL6

Features: BS 1868 standard, swing disc, cast steel body and stainless steel trim.