Advertisement
CAPACITY:
Size
(inlet x outlet)
3/4 x 3/4
3/4 x 1
1 x 1
a
Capacity based on 1000 Btu/ft
gravity natural gas at 0.25 kPa pressure drop].
ACCESSORY:
390427H 3/4 in. x 1 in. Bushing.
Use conversion factors in Table 2 to convert capacities
for other gases.
TABLE 2—GAS CAPACITY
CONVERSION FACTORS.
Specific
Gas
Gravity
Manufactured
0.60
Mixed
0.70
Propane
1.53
Fig. 1—VR8405 dimensions in in. [mm].
13
16
STANDARD PRESSURE
REGULATOR MODELS
STEP PRESSURE
REGULATOR MODELS
3
Capacity ft
/hr
3
[m
/hr] at 1 in. wc
a
Pressure Drop
400 [11.3]
450 [12.7]
500 [14.1]
3
, 0.64 specific gravity natural gas at 1 inch wc pressure drop [37.3 MJ/m
Multiple Listed
Capacity by
0.516
0.765
1.62
4 3/8 [112]
[21]
SWING RADIUS
1/4 INCH MALE QUICK
CONNECTS (2)
5 [127]
LEAD
LENGTH
11
8
[221]
16
Minimum Regulated
Capacity
3
3
ft
/hr [m
/hr]
200 [5.7]
200 [5.7]
200 [5.7]
PRESSURE REGULATION: Not adjustable.
DIMENSIONS: See Fig. 1.
TEMPERATURE RATING:
VR8405H: 0° F to +175° F [-18° C to +79° C];
VR8405M,P: -40° F to +175° F [-40° C to +79° C].
PRESSURE TAPPING: Inlet and outlet taps standard.
Taps accessible from top of control. Tap is 1/8 in. NPT
with plug containing recess for 3/16 in. Allen wrench.
PRESSURE RATING: AGA rating 1/2 psi [3.5 kPa] inlet
pressure.
MOUNTING: Can be mounted 0 to 90 degrees in any
direction from the upright position of the gas control
knobs, including vertically.
APPROVALS:
American Gas Association design certificate: L2025009.
Canadian Gas Association design certificate: L2025009.
Underwriters Laboratories Inc.: MH8191.
3
2
[56]
16
11
5
[145]
16
3
SPECIFICATIONS
Maximum Regulated
Capacity
3
3
ft
/hr [m
/hr]
575 [16.3]
625 [17.7]
720 [20.3]
3
, 0.64 specific
7
3
8
[99]
5
[133]
3
STANDARD
1
8
PRESSURE
[35]
STEP
REGULATOR
3
2
PRESSURE
MODELS
16
REGULATOR
[56]
MODELS
M9459
68-0150
VR8405
1
4
Advertisement
