What caused my diaphragm to fail?
There are many different ways for a diaphragm to fail from mis-handling to aging to chemical incompatibility. The
majority of diaphragm failures are related to aging or chemical
incompatibility. (...
- I am having sealing trouble with the diaphragm on my valve, how do I fix this
We
have found that the majority of the time a user is having sealing
issues is due to incorrect diaphragm installation. Attached are
instructions that come with each diaphragm, make sure they have...
- What is the shelf life of an Asepco diaphragm? Specifically, how many years will the diaphragm last from the day it was produced?
An unused diaphragm can be kept for 5 years, if it is kept dry and out of direct sunlight.
- What Diaphragm material is best for steam applications?
This depends on the amount of steaming you are doing. In constant steam exposure a silicone diaphragm generally lasts approximately 40 hours while constantly actuating. A Steam-Grade Viton A diaphrag...
- How often should I change my diaphragms?
...swer to this question is unique to each application. Because of the number of factors that affect diaphragm life, such as diaphragm material, SIP cycle and temperature, CIP cycle, CIP solution, and ...
- How do I return a diaphragm for evaluation
Fill in the attached form and return it with your diaphragm
- If a valve is autoclaved between 121-125 deg C, do I need to wait before closing the valve?
No, you can close the valve anytime after autoclaving. The diaphragm materials used in Asepco valves are rated for temperatures of 135 deg C or more, depending on material. Additionally, all actuato...
- Does ASEPCO take back diaphragm inserts?
We have discontinued our insert recycling program due to lack of interest. If you are interested in recycling your inserts please contact info@asepco.com.
- What is the shelf life of an ASEPCO Parylene diaphragm?
The shelf life of a parylene diaphragm is 5 years.
- Is the EPDM diaphragm peroxide cured?
The EPDM material is varox cured which is a type of a peroxide cured system. The EPDM material is non-cytotoxic, sulphur-free
- What are the Pressure Ratings for End Connections and Diaphragm Clamps?
... 316L stainless steel bodies we would not
downgrade the pressure rating below 250 PSI. As for the diaphragm and pressure seal o-rings there are
some cleaning or flow products, which may give a redu...
- Are Asepco products FDA compliant?
Our diaphragm materials meet FDA CFR 177.2600
- What are parylene diaphragms? and what are the benefits?
We currently offer two diaphragms that contain parylene: Silicone Plus and EPDM Plus. Parylene
is a material that mechanically bonds itself to the base
elastomer. Parylene is similar to teflon in...
- Why won't ASEPCO recommend a diaphragm material?
We believe the end user knows his process the best, we would be glad to share with you what we are seeing in the industry but we feel the actual users know best which materials work in their process.
- Are your valves FDA approved?
The FDA does not approve valves. FDA lists acceptable materials in
21 CFR 177. ASEPCO diaphragm valves comply with this standard.
- What is the torque specification on a tri-clamp?
The recommended torque specification for the Hygienic clamps used to assemble actuator/diaphragm assemblies to our valves is 25 in/lb.
- What is the temperature range for an Asepco diaphragm?
Our temperature ranges for our diaphragms are: Silicone: -40 to 135 C (-40 to 275 F) EPDM: -40 to 135 C (-40 to 275 F) Viton: -17 to 204 C (0 to 400 F) [Note: This material is not intended fo...
- What is the material grade on the silicone diaphragm?
Our silicone material grade is Q7-4765. This is a material made by Dupont Dow.
- Are ASEPCO diaphragms USP Class VI?
Yes, all of these diaphragm materials meet USP VI: Silicone EPDM Silicone Plus EPDM Plus If you would like an example of a USP VI Certificate of Conformance, just email a request to: info@asepco.co...
- Why don't you have a teflon diaphragm
...e to "cold flow" in the
material that makes it a poor sealing material for our valves. We do offer diaphragms
that have a surface treatment that gives some of the positive
properties of Teflon with...