A Downhole Safety Valve (DHSV) relies heavily on its internal spring to function as a fail-safe mechanism. The DHSV is a critical safety device installed in the production tubing of an oil or gas well to prevent the uncontrolled release of hydrocarbons in the event of a surface emergency.
Because the spring is the sole mechanical force responsible for closing the valve when hydraulics fail, its reliability is paramount.
Siplee spring specializing in the production of Inconel springs and has a large inventory. We can supply with short lead times.
SIPLEE® offers more solutions for you.
|
Inconel X-750 / NO7750 / 2.4669 / GH4145 |
|||||
|
Suggested Operating Conditions： -200 to +704℃ (-330 to +1300 ℉) |
|||||
|
Ni + Co |
Cr |
Fe |
Ti |
Al |
Nb + Ta |
|
≥70% |
14 - 17% |
5 - 9% |
2.25 - 2.75% |
0.4 - 1.0% |
0.7 - 1.2% |
Why Inconel X-750?
The environment downhole is incredibly hostile-characterized by high temperatures, extreme pressures, and corrosive fluids. Inconel X-750 (a precipitation-hardenable nickel-chromium superalloy) is chosen for several key reasons
High Mechanical Strength
Through a process of cold working and precipitation heat treatment (aging), the alloy develops a very high yield and tensile strength. This allows engineers to design a spring with high load-bearing capacity without requiring an excessively bulky footprint inside the narrow confines of the well casing
Excellent Resistance to Stress Relaxation (Creep)
Standard steel or stainless steel springs will lose their stiffness and "set" over time when held under constant compression at high temperatures. Inconel X-750 maintains its mechanical strength and elasticity at temperatures well above what downhole wells experience-often rated up to 700°F (370°C) or higher depending on the temper-ensuring the valve retains its closing force for decades
Hot Tags: downhole safety valve spring-inconel x-750, China, suppliers, manufacturers, factory, wholesale, buy, price, cheap
