Chemical bourdon tube pressure gauges
types 1100.1104 and 1100.1104 a

Construction:
without glycerine filling    = type 1
with glycerine filling        = type 2
quality class 1,0 (for NS 63 = 1,6) = indicating accuracy better
than ± 1 % (1,6 %) from full scale value at + 20°C
(EN 837-1);
with bourdon tube in circular or spring form,
with bayonet ring case,
with laminated safety glass slice,
with blow-out (safety opening 25 mmØ).

Materials:
bayonet ring case: stainless steel 1.4301,
meter movement:
construction A   =   Ms / Ns
construction C   =   Niro / Niro
wetted parts:
construction A   =   copper alloy /
inspection glass: laminated safety
glass
construction C   =   CrNiSteel /
inspection glass: laminated safety
glass

Operating pressure:
see table "display ranges"

Temperature:
+   60°C with soft soldering,
+ 100°C with brazing or gas-shielded welding,
-   20°C / + 60°C (ambient temperature).

Connection:
Fig. 1104 = G ½" B (NG 63 = G ¼" B) bottom
Fig. 1104a = G ½" B (NG 63 = G ¼" B) back eccentric



Special constructions:
connecting thread M 20 x 1,5 / 1/2" NPT, M12x1,5 / 1/4" NPT,
shock absorber at the input port Ms or stainless steel 1.4571,
silicone-free construction,
oil and grease-free construction for oxygen,
adjustable pointer with gear in aluminium,
adjustable red mark indicator on the scale,
min- or max drag indicator, resettable,
pressure gauge for measuring range 0,2 - 1 bar or 3 - 15 psi special connection or fitting position, e.g. 90° to right,
rim on back with bottom connection or backside eccentric.

Installation of additional electric equipment.