Extreme Low Temperature Resistant Working:temperature down to -196℃(-320℉) ,suitable for LNG, LN2, LOX, LPG cryogenic systems.

Premium Stainless Steel Materia:Body in SS304/SS316L,forged & deep-cooling treated,anti-brittle & anti-crack at ultra-low temperature.

Extended Bonnet Design:Long stem prevents packing from freezing,ensures stable sealing and easy operation.

Zero Leakage Sealing:Modified PTFE seat + spring compensation structure,bubble-tight shutoff in cryogenic service.

Multiple Connection Options:Flange,butt weld,socket weld,threaded available.

90° Manual Operation:Low torque,quick open/close,reliable without power supply.

Long extended stem design effectively isolates low temperature, avoids frost condensation and ensures normal manual operation.

Fire-Safe & Anti-Static:Compliant with API 607/6FA,safe for flammable & explosive media.

Strict cryogenic tempering treatment, stable mechanical performance, no brittle fracture under ultra low temperature environment.

Excellent anti-corrosion performance, resistant to liquid gas corrosion and atmospheric erosion.

Precision casting and forging body, high structural strength, durable and long service life.

Qingdao Yida Tongtu Machinery Technology Co., Ltd., in the beautiful coastal city of Qingdao. Specializing in high-growth ventures such as valves and power equipment, the company is dedicated to providing comprehensive solutions for industries including petroleum, chemicals, and water utilities, empowering clients to grow and achieve success.
We are a cutting-edge trading enterprise specializing in one-stop industrial valve matching, deeply cultivating gate valves, globe valves, ball valves, check valves, butterfly valves, etc. Our main products include American standard API, German standard DIN, and Japanese standard JIS, suitable for various industries such as chemical, petroleum, gas, power, metallurgy, etc.
We selects qualified factories from the source, strictly controls product quality, adheres to the direct supply mode, and relies on the advantages of a streamlined and efficient team to achieve rapid implementation of customer demands. At the same time, we can provide customers with standard spot goods, non-standard customization, OEM, project batch matching, and a complete set of export documentation services, becoming a long-term stable valve procurement partner for customers with professionalism, reliability, and high cost-effectiveness.

Company overview

Certificates and Honors

Factory profile

Testing equipment

Packaging & shipping specifications