General Information
ELSTER JEAVONS J78R & RS LOW PRESSURE REGULATORS
The J78 range is suitable for inlet pressures up to 350mbar(5 psig). All units are designed for natural, liquefied petroleum and manufactured gases and can be installed in horizontal or vertical pipelines.
The regulators may be utilized for domestic meter service applications with inlet pressures up to 75mbar(30"wg) complying with British Gas specifications.
The J78 range is available in two variants. The J78R has a plain breather port. The J78RS is fitted with a 1/4" threaded breather port that can be used to ventilate to atmosphere where this additional safety feature is required.
PRESSURE
Maximum Inlet Pressure: 350mbar(5 psig)
Maximum Outlet Pressure: Please refer to spring table
SIZES
1/2", 3/4", 1"
SPRINGES
All springs are colour coded for ease of identification.
SPRING
|
SPRING |
Spring Range (mbar) J78RS |
Spring Range (mbar) J78R |
COLOUR CODE |
||
|
1/2"-3/4" |
1" |
1/2"-3/4" |
1" |
||
|
J7805-050 |
2-14 |
4-12 |
6-9 |
8.3-13 |
Dark Green/Red |
|
J7805-038A |
2-16 |
6-21 |
9-17 |
13-19 |
Yellow |
|
J1105C-035A |
10-20 |
13-26 |
15-23 |
20-24 |
Black |
|
J1105C-016A |
16-28 |
18-36 |
22-31 |
27-32 |
Orange |
|
J7805-042A |
22-40 |
28-48 |
31-42 |
37-46 |
Brown |
