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FRI/6 SERIES
Installation Instructions
FRI/6
Gas pressure regulator (lock-up type) with integrated gas filter in one housing. The FRI/6 series regulator
mounts directly to the DMV series valves. It is suitable for mounting in a gas train using two flanges.
Body size
Flange Size
FRI 705/6 & 707/6
1/2" - 1" NPT
FRI 710/6 & 712/6
1" - 2"
Gases
Natural gas, Propane, Butane; Other Noncorrosive gases
Maximum Operating Pressure
7 PSI (500 mbar) UL, FM, CE
5 PSI (350 mbar) CSA
Ambient / Fluid Temperature
+5°F to +160°F; (-15°C to +70°C)
Materials in contact with Gas
Housing: Aluminum, Steel
Sealings on valve seats: NBR-based rubber
50
40
30
20
10
8
6
5
4
3
2
1
10
Phone: (651) 792-8912 Fax: (651) 792-8919 E-mail: info@karldungsusa.com
2
SPECIFICATIONS
NPT
Low Fire
20
30
40 50 60
80
100
Flow (CFH) of natural gas; s.p. 0.65 at 60 ° F
KARL DUNGS INC.
524 Apollo Drive,Suite 10 Lino Lakes, MN 55014 U.S.A.
Mounting Position
Upright vertical to horizontal
Strainer
23 Mesh, installed in the housing
Filter
Mesh <0.05mm, installed in the housing
Test Ports
G 1/8 ISO 228 taps available
on both sides downstream of
regulator, and on both flanges
Approvals
UL Unlisted Component: File No. MH16727 (SP)
CSA Certified: File No. 1135455
FM Approved: report J.I. 1Z6A0.AF (7411)
CE - 0087 AU 0030
CAPACITY
200
300 400
600 800 1,000
p
= 7 PSI
max.
High Fire
Based on 60 °F; 14.65 psia, dry
Outlet pressure adjusted to 4 in. W.C.
2,000
4,000 6,000
1
2
3
FRI
1
10,000
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