Samson 45-1 Mounting And Operating Instructions page 45

Types 45-2 and 45-4
1
2
3
3.2
3.1
8.1
5
4
6
14
7
6.1
10
9
1 Valve body
2 Seat
3 Plug
3.1 Plug section
3.2 Plug stem
3.3 Plug stopper
4 Diaphragm plate
5 Nut
6 Operating diaphragm
6.1 Actuator stem
7 Actuator housing
8 Set point spring (fixed set point)
8.1 Valve spring
9 Set point adjuster
10 Set point springs (adjustable set point)
Control line attached (Types 45-1 and 45-2)
11
External control line (Types 45-3 and 45-4)
Fig. 9-2: Functional diagrams of the differential pressure regulators
EB 3124 EN
Set point range 0.1 to 0.5 bar and 0.1 to 1 bar
Type 45-4
only
13
12
11
Types 45-2 and 45-4 · DN 15 to 32
Type 45-2 only
20
10
Type 45-2 (45-4)
12 External control line (Types 45-1 and 45-2)
13 Borehole in the body (Types 45-3 and 45-4)
14 Screws
15 Spring plate
17 Support
18 Spindle
19 Manual adjuster
Internal excess pressure valve
20
(overload protection, Types 45-3 and 45-4 only)
Servicing
15
7
17
18
19
1
2
3
8
3.1
3.3
14
7
9-3