VRD4 Series Double Valves Technical Instructions
Document Number CC1N7649us
September 08, 2016
Siemens AG Building Technologies Division Page 3
Ordering
information
Gas valves and actuators are ordered separately. For additional SKP… actuator information, see
the following technical instructions:
SKP15… 155-751P25
SKP25… 155-752P25
SKP55… 155-753P25
SKP75… 155-754P25
NOTE:
The SKP... actuators have an operating temperature range of 14 °F to 140 °F (-10 °C to
60 °C)!
Table 2. Product numbers
Product
number
Size Maximum
operating
pressure
psi
Close-off
pressure
psi
Capacity
CFH
Natural gas
at
P=1" W.C.
Number of test
points,
1/4" NPT
Valve body
material
Inlet Outlet
VRD40.040U 1-1/2" NPT 20 75 1800 1 1 Aluminum
VRD40.050U 2" NPT 20 75 2300 1 1 Aluminum
VRD40.065UF 2-1/2" Flanged 10 75 3.880 1 1 Aluminum
VRD40.080UF 3" Flanged 10 75 5.370 1 1 Aluminum
VRD40.100UF 4" Flanged 10 30 9.680 1 1 Aluminum
VRD40.150UF 6" Flanged 10 30 17.490 1 1 Aluminum
Table 3. Accessories
Part Number Description Notes
AGA40.4050U 1" NPT vent connection plate
Each vent connection includes a ¼" NPT test port, see
Mounting instruction M7631.3 (74 319 0278 0)
AGA40.6580U 1 ¼" NPT vent connection plate
AGA40.0100U 2" NPT vent connection plate
AGA40.0150U 2 ½" NPT vent connection plate
AGA61
Manual adjusting throttle attachment AGA61 permits VRD40.xxxUx series valves to be used as
adjustable limiting orifice valves. Once adjusted, the AGA61 has a provision to be sealed from
tampering.
AGA66
Sealing gasket to provide NEMA 3, NEMA 3R, and NEMA 4 protection.
Gasket kit to SKP...
- Place between actuator SKP… and valve VRD40.xxxUx
- Increases degree of protection from IP54 to IP65
- Refer to Mounting Instruction M7643.2 (74 319 0421 0)
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