by: Denny & Khalid
No.      Name          Remarks                   Figure
1.    Rig Air Supply
2.    Air Lubricator
3.    Bypass Valve
       Automatic
         Hydro-
4.
       Pneumatic
     Pressure Watch
      Air Shut-Off
5.
         Valves
     Air Operated
6.     Hydraulic
        Pumps
     Suction Shut-
7.
       Off Valve
       Suction
8.
       Strainer
9.   Check Valve
       Electric Motor
       Driven Triplex
10.
         or Duplex
      Pump Assembly
        Automatic
11.    Hydro-Electric
      Pressure Switch
      Electric Motor
12.       Starter
       (Automatic)
       Suction Shut-
13.
         Off Valve
         Suction
14.
         Strainer
15.    Check Valve
       Accumulator
16.
      Shut-Off Valve
17.   Accumulators
       Accumulator
18.
       Relief Valve
19.    Fluid Strainer
          Koomey
         Pressure
       Reducing and
20.     Regulating
      Valve (Manifold
         Pressure
        Regulator)
21.    Manifold
        3/ 4 Way
        Valves (3
22.
       positions, 4
      connections)
                        In close
                       position, it
                          puts
                       regulated
                      pressure on
                       main value
23.   Bypass Valve     header. In
                         open
                       position, it
                        puts full
                         pump
                      pressure on
                      that header.
      Manifold Relief
24.
          Valve
        Hydraulic
25.
      Bleeder Valve
        Panel Unit
26.
         Selector
No Name                    Remarks   Picture
27 Koomey Pressure
   reducing and regulating
   valve – air operated
   (annular pressure
   regulator)
28   ACCUMULATQR
     PRESSURE GAUGE
     (normally 3000 psi/207
     bar)
29   MANIFOLD PRESSURE
     GAUGE (normally 1500
     psi/103 bar)
30   ANNULAR PREVENTER
     PRESSURE GAUGE
     (normally 600–1500psi
     / 41-103 bar)
31   AIR JUNCTION BOX: To
     connect the air lines on
     the unit to the air lines
     coming from the
     remote control panels
     through air cable.
32   HYDRAULIC FLUID FILL
     PORT.
33   INSPECTION PLUG
     PORT
34   ACCUMULATOR BANK
     ISOLATION VALVES:
     Manually operated,
     normally open
35   HYDRO PNEUMATIC
     PRESSURE SWITCH
36   AIR SUPPLY BY PASS
27
     31
29   28   30