autoclave safety valve quotation

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Apollo™ Safety Relief Valve, Series: 10-322, 3/4 in Nominal, MNPT x FNPT End Style, 25 psig Set Pressure, 325 deg F, Media: Air/Gas/Liquid/Steam, Brass Body, Brass Trim, EPDM Seat Softgoods, Polished Chrome, 3-3/4 in H, Domestic

ASME section VIII design certified safety valve to protect portable steam vessel applications such as autoclaves, sterilizers and pressure cookers against excess build-up. Made from proved ASTM grade brass with optional decorative chrome finish.

Parker Autoclave"s RVS Series relief valves are designed with a soft seat design for reliable venting of gases at set pressures from 1500 psi (103 bar) to 20000 psi (1378 bar). The operating temperature range is 32°F (0°C) to 400°F (204°C). The soft seat design provides bubble tight sealing, repeatable pop-off, and reseat. Additionally, soft seat valves provide a higher cycle life than metal seat relief valves.

These precision relief valves are designed for pressure gas systems, where zero leakage is critical. They are not recommended for liquid nitrogen or liquid carbon dioxide, which produce gas at cryogenic temperatures upon relief. They are designed to open proportionally to increasing pressure. Therefore, they are not recommended for applications requiring immediate full valve flow at set pressure (such as decompositions, polymerizations, etc.). Full flow of relief valve is defined at 10% over set pressure.

2. Maximum system operating pressure should not exceed 90% of relief valve set pressure. Operating pressures in excess of this may cause weepage resulting in damage to the plug and seat.

• Designed with 9/16” Parker Autoclave Engineers Medium Pressure inlet connections. The outlet connection on all models is a female 3/4” NPT. While adapters to other sizes and connection types are available, they must be sized for specific flow requirements.

• Materials engineering and stringent quality control procedures combine to assure the highest quality, reliability and service life. Each valve is preset and factory sealed to ensure proper valve operation.

Valves & SolenoidsValves and Solenoids are the foundation for any autoclave. Keep your sterilizers running smoothly by checking your valves regularly and replacing them with new ones when necessary. Duraline Systems keeps all autoclave solenoids and autoclave valves in stock in our warehouse for all brands and models. Sterilizer and autoclave parts are available as OEM or replacements.

Historically the terms autoclave and steam sterilizer have been interchangeable. But the terms are now often used in separate instances to differentiate the smaller table top units often used in labs, dental offices and clinics (autoclaves) and the larger units used in hospital sterile processing departments (sterilizers). While both use steam to kill microbial life that may be present on medical devices or instruments, the methods they use to achieve this are different so this post will deal primarily with the smaller autoclaves from manufacturers like Ritter-Midmark, Tuttnauer, and Pelton and Crane. Our biomedical service technicians know that the autoclave is an essential part of your business and with proper maintenance and cleaning you can extend the life of your autoclave.

A timer begins to count down the sterilization time based on the cycle chosen. As long as the autoclave stays within the temperature and pressure set points for the duration of the sterile cycle upon completion the cycle is considered successful.

Unlike the larger sterilizers, autoclaves have a very simple system that is used to create and control the steam inside the chamber. The particulars will change slightly between models and manufacturers, but below is a list of devices that are standard for every autoclave and their function:

Control devices that are utilized within the autoclavePrimary Control: This is the electrical or mechanical “brains” of the unit. It controls the time, pressure and temperature set points for the autoclave as well as the valves and alarms.

Inlet and Outlet Valves: These devices control the water inlet to the chamber as well as the exhaust of water and steam back to the pure water holding tank. This system includes the bellows which allow excess moisture to escape the chamber during sterilization.

Safety valve: This device is a safety measure that will release excess pressure from the chamber if that pressure gets beyond the manufacturer’s safety set points.

If your autoclave will not turn on, you will almost always find the problem in the power supply. The most common cause will be the outlet that the autoclave is plugged into. Current building code states that autoclaves need to be plugged into GFCI (ground fault current interrupt) outlets that have a resettable breaker built into them to cut power if there is a sufficient fluctuation in the amperage or the ground. Check the outlet to make sure that that relay hasn’t been tripped and reset it. If that doesn’t solve the problem, there may be an issue with the autoclave itself. Call ERD’s certified biomedical technicians to request an onsite diagnostic.

A pressure issue in your autoclave will have one of two causes. Either the autoclave isn’t able to build sufficient pressure in the chamber to hit its setpoints (a water supply or heating element problem) or the pressure is escaping the chamber before it can build to setpoint (a bellows or door gasket problem). A quick call to ERD’s certified biomedical technicians can help you troubleshoot the most likely cause and get your autoclave back up and running.

Preventive maintenance of your autoclave is crucial to keep your sterilization department up and running smoothly. If you need to schedule preventative or curative autoclave maintenance service call ERD certified biomedical technicians today. We look forward to working with you.