928AOP Series Parker Valve Pressure Reducing Air Operated Valve Poppet Style
Discover the Quantum 928AOP, a poppet - style diaphragm valve designed for precise remote control of low - pressure gases or liquids. This valve is a versatile solution for various industrial applications.As a dual - function device, the 928AOP serves as the crucial system inlet valve, regulating the flow of substances into the system. Moreover, it plays a vital safety role by reducing system pressure to a safer working range, minimizing potential risks.Whether in chemical processing, laboratory setups, or other industries handling low - pressure fluids, the 928AOP ensures reliable performance. Its remote - control feature allows for convenient operation, enhancing efficiency and safety. With its robust construction and advanced design, the Quantum 928AOP is the go - to choice for those seeking a high - quality, multi - functional valve for low - pressure fluid management.
product features:
Enhanced System Safety: Improves system safety by reducing or regulating system pressure to 350 psig.
Wide Pressure Range Compatibility: Operates fully from a vacuum to 3500 psig at both inlet and outlet.
Optimized Flow Path: Features aerodynamic, smooth flow passages, minimizing particle generation and entrapment.
Rigorous Leak - Testing: Undergoes 100% helium leak testing to ensure excellent sealing performance.
Innovative Compression Design: Equipped with a unique patented compression member that uniformly loads the seal, eliminating the need for threaded components or crimping operations.
Materials of Construction Wetted:
| Parameter | Details |
|---|---|
| Wetted Materials | |
| Body | 316L Stainless Steel |
| Seal | PCTFE, optional Vespel® |
| Diaphragm | Elgiloy® or equivalent |
| Poppet | 316L Stainless Steel, Hastelloy C - 22® |
| Compression Member | 316L Stainless Steel, Hastelloy C - 22® |
| Spring | Hastelloy C - 22® |
| Screen | Hastelloy C - 22® |
| Non - wetted Materials | |
| Nut | 316L Stainless Steel |
| Cap | 316L Stainless Steel |
| Actuator Materials | |
| Body | Nickel Plated Brass |
| Diaphragm | Fairprene® |
| Operating Conditions | |
| Maximum inlet pressure | 3500 psig (240 barg) |
| Minimum operating pressure | Vacuum |
| Nominal outlet pressure | 350 psig (24 barg) with 2000 psig (138 barg) inlet pressure and 80 psig (5.5 barg) actuator pressure; Outlet pressure varies with inlet and actuator pressure |
| Temperature | -40°F to 150°F (-40°C to 66°C) |
| Bake out | 250°F (121°C) in the open position |
| Design Proof Pressure | 5,250 psig (362 barg) |
| Design Burst Pressure | 10,500 psig (724 barg) |
| Functional Performance | |
| Flow capacity | Cv =.04 |
| Leak Rate - Dynamic | < 4 x 10-9 scc/sec He |
| Leak Rate - Static Inboard | 2 x 10-10 scc/sec He |
| Standard Configurations | |
| Inlet and outlet | 1/4 inch female pipe threads |
| End to end length | 1.25 in. (31.75 mm) |
| Internal Volume | 1.54 cc |
| Surface Finishes | Standard Ra 32 micro inch or less |
| Approximate Weight | 0.95 lbs (0.43 kgm) |
Product Details:
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