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What's New Description
PN 412 Product Note Revision
This revision includes the ISH/3 option.
PN 304 Product Note Revision
Revised PED declaration.
Declaration of Conformity Declaration of Conformity Revision
Revised PED 2014/68/EU.
PA 592 European RoHS2 Compliance
Revised product alert.
PN 438 New Product Note
Product Note regarding gauge and absolute pressure units.
AK 100 AK 100 Compact Instrumentation Regulator
The AK 100 is a 1 1/2 diameter 316 stainless steel pressure regulator rated to 3,000 psig (207 bar) inlet and 150 psig (10 bar) outlet pressures. It can be easily panel mounted when ordered with an optional kit for such mounting. It is available with a variety of NPTF connections and porting.
KT 8 KT 8 High Pressure, Diaphragm Type Regulator
The KT8 is rated up to 6,0000 psig (414 bar) inlet and 1,500 psig (100 bar) outlet pressures. It is unique in that it has a diaphragm seal to atmosphere, as most regulators have piston sensing elements and O-ring seals to atmosphere for delivery pressures over 500 psig (35 bar). It has a wide variety of porting and connections, including face seal. The inlet pressure is de-rated to 4,500 psig (310 bar) for face seal connections due to the pressure limitation of the fittings. Face seal units are, however, assembled and Helium leak tested in a class 100 cleanroom.
AZ    4675
AP, AZ & AK 4675 Metering Valve
The 4675 extends the flow range of our metering valve family. It is a daiphragm sealed precision metering valve with an adjustment range to 70 slpm of N2 at 30 psig (2 bar).
AP    4157    
AP & AZ 4157 Manual Valve With LOTO
The 4157 is a new addition to the 4100 series family of diaphragm valves. It has the same operating pressure rating or 250 psig (17 bar) and flow capacity (Cv 0.8) as the 4141 and 4150 valves. It adds a lock out / tag out feature (LOTO) with manual pull twist knob in addition to open/closed indication.
PN 438 Absolute Versus Gauge Pressure Units
This product note (PN) explains the differences between absolute and gauge pressure units. These are often misunderstood or confused because of incomplete designation, such as noting only psi rather than psia or psig. The PN has an easy to read graph which compares various units of pressure measurement.