Is it possible to increase the pressure my pneumatically actuated tanks will seal at to an amount greater than 80 PSI?
...ill stay sealed at up to 100 PSI inlet (tankside) pressure.
2-inch valves require an additional...o the spring side of the actuator to increase the sealing
pressure.
- Why don't you have a teflon diaphragm
We
believe that Teflon has sealing issues due 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 so...
- Do you offer teflon diaphragms?
We
believe that Teflon has sealing issues due to "cold flow" in the
material that makes it a poor sealing material. We do offer diaphragms
(EPDM Plus, Silicone Plus) that have a surface treatment...
- 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 are the Pressure Ratings for End Connections and Diaphragm Clamps?
...adial Diaphragm Valves are designed for a working pressure of 250 PSI in all sizes.
You have aske...PCO
finds that these clamps provide satisfactory sealing service, for the
full 250 PSI ASEPCO rati...
- What is the shop air pressure needed to actuate your valves?
Minimum air pressure requirements are: 60 psi - 0.5" pneumatic actuators 80 psi - 1"-4" pneumatic actuators
- What certification or Standards does Asepco comply to
... PED - The European Standard for Pressure Equipment - applies to our products when used in European pressure systems
3A - FDA sanitary standard - applies to our valves when used in the food and d...
- What are the sealing pressures for pneumatically actuated valves?
The maximum temperature is 276°/135° for all the Pneumatic actuators and the maximum pressures are as follows:
Valve Size
Actuator Type
Max. Pressure All Clamps
0.5" ...
- What ASME standard does an ASEPCO valve meet?
...ecification for stainless and heat-resistant Steel Bars and shapes for use in the boilers and other pressure vessels.
The Spec for welds on Pressure Vessels - ASME BPVC Section 8 code -
...
- Do you supply a declaration of conformity on the product that is not CE marked
No, for products that fall under sound engineering practices (SEP) for the Pressure Equipment Directive (PED), we supply a certificate of conformance. (from Article 3 of the PED: Pressure equipment ...
- What is the pressure/temperature rating of an ASEPCO valve?
All valve bodies are designed to withstand pressures up to 250 PSI and temperatures up to 205° C.
Note: Diaphragms can withstand temperatures up to 135° C.
- How come there is no CE mark on my valve?
Based on the Pressure Equipment Directive (PED) the majority of our products fall under the Sound Engineering Practices (S.E.P.) of the PED. Because of this we are not allowed to place the CE mark on...
- Are ASEPCO valves "U" stamped?
No, ASEPCO valves are not "U" stamped. A "U" Stamp is used under ASME Section VIII for pressure vessels. A "U" stamp is not required for valves.
- What are ASEPCO's valve flow rates (CV factors)?
ASEPCO valve flow rates by size at 1 psi pressure drop:
0.5"
02.8 gallons per minute (gpm)
10.6 liters per minute (lpm)
1.0"
15.8 gallons per minute (gpm)
60 liter...
- What is the equation to calculate Cv?
...: For a 3" valve C = 170 gpm at 1 psi Let's say that you want to know what the flow rate is at a pressure of: Δp = 0.85 and Δp = 3 For the first psi of 0.85: Q = 170 *√0.85 = 156...