The axial flow check valve not only with
the function of common check valve,but
also can achieve zero-leakage with precise
sealing techinic,the unique venture streamline
design for fluid channel with the
characteristic of small in fluid resistance,good in fluid state, quick response for pressure change,small
in overall dimension ect. axial flow check valve is a recommendable to use on pipelines and general
industrial,especially be set on the outlet of oil pump or natural gas compressor.
Design Feature
Spring protection and no impact
Low noise and lower water hammer damager
Soft seal and second metal to metal seal to ensure fire safe
Full series with lugs and support legs
No outside leakage
Product Range
Size : 2~48"(DN50~DN1200)
Rating : 150 ~2500LB(PN16~PN420)
Body Materials : Cast Carbon Steel, Stainless Steel, Alloy Steel
End Connection RF,RTJ,BW
Liangjing Group was founded in 1985. As a key enterprise of Chinese valve industry field, we are leading the way in Chinese valve industry. We are specialized in producing high-medium pressure valves of " LION " brand.
Our main products are:
Gate Valve Ball Valve Butterfly Valve Valve Casting Globe Valve Plug Valve Power Station Valve Valve Gear Check Valve Diaphragm Valve
Valve Forging Valve Pneumatic
Our products totally are covering 15 classes and over 2, 000 kinds and sizes, of which the pressure class is 150-2500LB or 1.0-36MPa and the nominal diameter DN10-2000. Our products are designed, manufactured and inspected in according with API, ANSI, ISO, JIS, DIN BS and GB standards. The drive patterns include manual operation, electrical operation, pneumatic operation, hydraulic operation, hydro-pneumatic operation and computer-controlled operation.
There are 358 employees in our company, including 58 technicians. Our workshops and office buildings cover an area of 40, 000 square meter, including a building area 28, 000 square meter. The capital assets are worth 6, 050, 000 USD and we are well equipped with 213 PCS of machinery, including 18 sets of precision numerical control metal cutting equipments. Our company has a complete testing and inspection equipments and system. In additional our company has a precision casting factory and a sand casting factory made valve casting with an annual output of 4, 000 tons.
Our company has passed the ISO9001 authentication for its quality assurance system, and obtained the API Certificate from American Petroleum Institute.
Our Company is dediated to providing quality products and services to our customers, to maintain this standard the company strictly adheres to a Quality Program in accordance with ISO 9001. To support the quality program Liangjing Group has extensive manufacturing test procedures including: Ultrasonic, X-ray, magnetic particle inspection and photoelasticity and fire safe tests, strain gage testing. Liangjing Group is a member of API and is complies to all major international standards including:
API 600 API 6D ANSI B16.34 JIS BS DIN ASME
Quqlity is the foundation of Liangjing, every aspect of our activity is based on operated within strictly defined procedures, and this philosophy prevails through every department within the company. We sincerely wish ti supply more and better high products for both the foreign and domestic market.
