Product Introduction
One of the most significant elements of piping system design is integrating the means to protect mechanical equipment and prevent damage caused by backflow. Hastelloy Nozzle Check Valves are specifically designed for fast-reversing systems where backflow is a constant concern in such critical service applications.

Technical Specification
Design Standard: API, ASME
Size Range: NPS2’’-12’’ (DN50-DN300)
Pressure Rating: 150-1500LB
End Connection: Flange, SW, NPT, BW, Wafer, Lug type

Applications
The Hastelloy Nozzle Check Valve are widely used in flow control applications across a diverse range of industries – Chemical, Petrochemical, Oil & Gas, Geotherma and Sea water.

Picture Show 


Design Feature
Lift type/Swing type/Dual plate
Full bore/Reduce bore
Bolted bonnet
Renewable seat/integral seat
Plug type disc/Flat type disc

Main Part Material
Hastelloy B, Hastelloy B-2, Hastelloy C276, Hastelloy C-22, Hastelloy C-4, Hastelloy G, Hastelloy G30
N12MV, N7M, CW12MV, CX2MW, CW2M
N10001, N10665, N10276, N06022, N06455, N06007, N06030

Technical Feature
1.The Contoured body-disc diffuser arrangement assures venturi flow characteristics ensuring minimal pressure drop and streamlined flow.
2.Eyebolt hook design upon size >= 4", easy for on-site installation.
3.Spring return design, live-load.
4.Providing optimum pressure recovery performance and minimum pressure lost and fluid turbulence.
5.Integral metal seat applicable for high temp application.
6.Retainerless design for pin and disc connection.
7.Suitable for all installation positions.
8.Reduce bearing load with long-lasting usage of disc and diffuser.
9.Streamlined body design with low flow resistance.

Quality Commitment
Our products are designed, manufactured, inspected and tested in accordance with our customers’ specifications and that comply with all international standards.

Delivery, Payment and Service
Payment Terms: Normally 30% down payment before production, 70% balance before delivery.
Warranty: 12 months after installation or 18 months after shipment whichever comes first.
Delivery time: Subject to stock availability at placement or order and factory workloads.
Delivery method: By Express, or by air, or by sea, as your request.
Delivery port: Shanghai or as your request.