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Types of b/f valves 2011-09-20
working pressure is also important:
-Types of b/f valves:
1. Resilient butterfly valve which has a flexible rubber seat. Working pressure 232 PSI
2. High performance butterfly valve which is usually double eccentric in design. Working pressure up to 725 PSI
3. Tricentric butterfly valve which is u
Top entry ball valve fixed the shortcomings 2011-09-19
Top entry ball valve fixed the shortcomings
of the spring preload can not be adjusted and controlled, and large compression spring assembly, the assembly difficult. To solve this
problem, instead of the spring material selection ANSI 302 304. ANSI 302 spring stiffness, corrosion resistance
The flapper valves 2011-09-02
For less noise or better removal of lubricating oil mist, use a more restrictive muffler (smaller micron pore size), which slightly decreases flow. Also, the small, sintered bronze ones don't get broken off like the larger plastic ones. --- AOD pump body construction. For emptying 55-gallon drums
Balance each loop with gate valves 2011-09-01
I will balance each loop with gate valves (or any ideas?) on the return manifolds, using temporary temperature gauges clamped onto each return pipe to get even return temps. I will put stopcocks on the input valves =
for isolation purposes.I intend to only use the in-built boiler pump to circulate
Outdoor Fireplace Grill and Fireplace Designs 2011-08-30
Outdoor Fireplace Grill and Fireplace Designs
An important merchandise for social gathering gatherings and romantic
evenings, an out of doors fireplace grill adds a classic
touch and
charm to the garden, patio, pool region or the yard. Fireplace grills in
distinctive models and finishes are on h
Leaky safety valve and/or sight glass 2011-08-29
If its just the 0 -> 10 V into a 0 ->1.4A, then build a
precision rectifier as per inventor(y)'s suggestion, then use an op-amp
with a power transistor using the solenoid as its collector load, and a
low value resistor (1 ohm) in the emitter circuit. So now you have a
monitoring point for the so
The light spring returns the piston 2011-08-26
About 3-way Solenoid Valve Operation
I took the brewhead 3-way solenoid valve off, and surprisingly I found
the spring around that solenoid nucleus is a lot softer than I would
expect. I know the pressure from brewing boiler could get about 12 bars
when water expands, so how could this spring h
