Products

Nominal diameter: DN50 (2") 

Pressure rating: ANSI Class 900 

Connection: RJ flanged as per ASME B16.5 

Body material: AISI 4130

Trim: SS316+HF

Operation: handwheel operated 

Features: plug disc, forged steel body, seat hard faced trim.

WELCO Valve Co., Ltd. is proud to introduce our GOST 5762 Gate Valve, designed to meet the highest industry standards and requirements. This valve is built with precision engineering, utilizing high-quality materials to ensure durability and reliability in various industrial applications. The GOST 5762 Gate Valve features a robust construction, a solid wedge design, and a non-rising stem for convenient operation and reliable sealing. With a pressure rating of up to 16 bar and temperature range of -40°C to 200°C, this valve is suitable for a wide range of applications in the oil and gas, petrochemical, and water treatment industries. WELCO Valve Co., Ltd. is committed to providing superior products that meet the strict requirements of our customers, and the GOST 5762 Gate Valve is a testament to our dedication to excellence

Introducing the Pressure seal bonnet globe valve from WELCO Valve Co., Ltd. This high-quality valve is designed for high-pressure applications, offering reliable performance and superior sealing. The pressure seal bonnet design ensures tight sealing at high pressures, making it an ideal choice for demanding industrial environments. With a sturdy construction and precision engineering, this globe valve delivers exceptional performance, longevity, and low maintenance requirements. WELCO Valve Co., Ltd. is committed to providing top-notch industrial valves with superior quality and durability, and the pressure seal bonnet globe valve is no exception. Trust WELCO Valve Co., Ltd. for all your valve needs, and experience the reliability and efficiency of our products

Nominal diameter: 20"
Pressure rating: ANSI Class 600#
Connection: Butt-welding type as per ASME B16.25     
Body material: ASTM A217 WC6
Operation: single-acting pneumatic actuated
Features: triple offset design, high temperature alloy body and SS trim 

Introducing our latest product, the 20 ANSI Class 600# Butt-welding Butterfly Valve with single-acting pneumatic actuated operation. With a triple offset design, high temperature alloy body, and stainless steel trim, this valve is designed for high-temperature applications and harsh operating conditions. The valve is constructed with ASTM A217 WC6 material and complies with ASME B16.25 standards for butt-welding connections. Its advanced design ensures smooth operation, tight shutoff, and long-term reliability. Whether used in power plants, refineries, or chemical plants, this valve delivers superior performance and is built to last. Trust in the quality and innovation of our company to provide solutions for your industrial valve needs

Nominal diameter: 16"
Pressure rating: ANSI Class 150#
Connection: double flanged as per ASME B16.5    
Body material: ASTM A216 WCB
Operation: worm-gear with wheel
Features: triple offset design, Bi-directional sealing, carbon steel body with SS trim

Introducing the API 609 Triple Offset Flanged Butterfly Valve, a cutting-edge product from our company. This innovative valve features a triple offset design, which provides a tight and reliable shut-off for various applications.Introducing our 16 Nominal Diameter, Class 150# rated double flanged butterfly valve. Designed as per ASME B16.5 standards, our valve features a robust ASTM A216 WC body with carbon steel and stainless steel trim. The triple offset design allows for bi-directional sealing, ensuring reliable performance in both flow directions. Operated with a worm-gear and wheel mechanism, this valve offers ease of operation and precise control. With our company name proudly displayed, customers can trust in the quality and reliability of our product. Suitable for a wide range of applications, our butterfly valve is built to meet the high standards of the industry. Trust in our expertise and choose our butterfly valve for your fluid control needs

Nominal diameter: 20"x16"
Pressure rating: ANSI Class 1500#, 
Connection: RF flanged, ASME B16.5
Body material: ASTM A182 F316, Ball: A182 F316, Shaft: A182 F316, Seat ring: PEEK
Operation: worm gear with locking device
Features: reduced bore, high pressure support plate design, forged stainless steel

Introducing our high-performance 20x16 ball valve, designed for demanding industrial applications. With a pressure rating of ANSI Class 1500# and RF flanged connection according to ASME B16.5 standards, this valve is built to withstand high pressures and deliver reliable performance. The body, ball, shaft, and seat ring are all constructed from ASTM A182 F316 stainless steel for superior corrosion resistance and durability. The valve features a reduced bore and a high-pressure support plate design to ensure optimal flow control even in the most challenging conditions. Equipped with a worm gear and locking device for smooth operation, this valve is ideal for critical applications requiring precision and reliability. Our ball valve is meticulously crafted from forged stainless steel and proudly bears our company name, representing a mark of quality and excellence in fluid control solutions

Introducing the DIN standard globe valve by WELCO Valve Co., Ltd. This high-quality valve is designed and manufactured to meet the strict standards set by the German Institute for Standardization (DIN). The valve is suitable for a wide range of applications including water, steam, and gas control in industrial and commercial settings. Built with precision and durability in mind, the DIN standard globe valve offers reliable performance and long-lasting service life. WELCO Valve Co., Ltd. is committed to delivering top-notch products that meet international standards and customer expectations. With a focus on quality and customer satisfaction, the company continues to be a trusted provider of valves and fluid control solutions. Choose WELCO Valve Co., Ltd. for your valve needs and experience excellence in engineering and service

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 Flanged type triple offset butterfly valve from WELCO Valve Co., Ltd. This high-quality valve is designed with precision and state-of-the-art technology to meet the demanding requirements of various industries. The triple offset design ensures a bubble-tight seal with consistent and reliable performance, making it suitable for applications that require zero leakage. The flanged type construction allows for easy installation and maintenance, while providing strong and durable connections. With a focus on superior quality and advanced engineering, WELCO Valve Co., Ltd. delivers a valve that is built to withstand the toughest conditions and provide long-lasting performance. Trust in the expertise and excellence of WELCO Valve Co., Ltd. for your butterfly valve needs

WELCO Valve Co., Ltd. specializes in providing high-quality high pressure butterfly valves for industrial applications. Our high pressure butterfly valves are designed to withstand extreme pressure and temperature conditions, making them suitable for use in oil and gas, petrochemical, and power generation industries. These valves are manufactured using high-grade materials and advanced technology to ensure reliable performance and long service life. They are available in a variety of sizes and pressure ratings to meet the specific needs of our customers. Our high pressure butterfly valves are designed for easy installation, operation, and maintenance, making them a cost-effective and efficient solution for controlling high-pressure fluids. Trust WELCO Valve Co., Ltd. for high-quality high pressure butterfly valves that meet your industrial needs