Control Unit 9910-VDR50
Control Unit 9910-VDR50
The Model 9910-VDR50 Control Unit is designed for the control of pressures up to 725 psi and flows to 35 gpm. It
consists of an adjustable pressure relief valve, a manual pressure release lever, and two individual ball valve-controlled, 1/2" O.D., hose barb outlets.
Pressure
Release
Lever
Pressure Gauge
Retaining Clip
Main Bypass Outlet
(Connect directly to
tank without restrictions or ball valves)
Pressure
Adjustment
Knob
1/2" Ball
Valve Outlets
Installation
Direct Mounting*
1. Locate the pump discharge manifold. With o-rings
(Ref. 13) lubricated and in position on selector
housing inlet (Ref. 17), plug into the discharge
manifold of the pump. Lock into place with the
retainer clip (Ref. 10) and cotter pin (Ref. 53).
2. Connect the bypass hose to the bypass port hose
barb elbow (Ref. 1), and run it unrestricted back to
the supply tank.
3. Connect the desired number of high pressure outlet
hoses to the outlet hose barbs (Ref. 56). The
unused hose barb can be shut off with the ball
valves provided.
Remote Mounting*
1. Install the mounting bracket (Ref. 52) in the desired
position and secure.
2. With the o-rings (Ref.13) lubricated and in position
on the selector housing inlet (Ref. 17), assemble into
the 3/4" (M) NPT female adapter (Ref. 48). Lock in
place with the retainer clip (Ref. 10) and cotter pin (Ref.
53).
3. With o-rings (Ref. 13) lubricated and in position on the
3/4" (M) NPT male adapter (Ref. 43), slip into the pump
discharge manifold. Lock in place with the retainer clip
(Ref. 1) and the cotter pin (Ref. 53).
4. With high pressure hose, connect the NPT fitting on the
discharge manifold of the pump with the NPT fitting on
the control unit.
5. Connect the bypass hose to the bypass hose barb
NOTE: For all discharge hoses, use hose with an
elbow (Ref.1), on the control unit and run it unrestricted
operating pressure rating that is equal or greater
back to the tank.
than the maximum pressure rating of the pump.
6. Connect the desired number of high pressure outlet
hoses to the outlet hose barbs (Ref. 56). Unused hose
barbs can be shut off with the ball valves provided.
*Refer to the parts list on page 11 for part number references.
Operation
1. Refer to the pump operation instructions for the proper operation.
2. The control unit can be put into full bypass mode by
turning the pressure release lever (Ref. 18) counterclockwise as far as it will go.
3. With the pressure release lever (Ref. 18) rotated
- 10 -
clockwise to pressure position, pressure can be
adjusted by rotating the pressure adjustment knob
(Ref. 39) clockwise for more pressure or counterclockwise for less pressure.
4. Flow can be controlled by ball valves on each of the
outlet ports.
Parts List for Control Unit 9910-VDR50
NOTE: When ordering parts, give
QUANTITY, PART NUMBER,
DESCRIPTION, and COMPLETE
MODEL NUMBER. Reference
numbers are used ONLY to identify
parts in the drawing and are NOT
to be used as order numbers.
REF.
NO.
1
2
3
4
5
6
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
PART
NUMBER
DESCRIPTION
9910-550370
9910-550242
9910-550350
9910-1040780
9910-550040
9910-1040670
9910-1040660
9910-130491
9910-1040690
9910-550545
9910-1040680
9910-390180
9910-130171
9910-1040820
9910-180030
9910-1040720
9910-1040730
9910-1080200
9910-1040700
9910-850680
9910-850660
9910-850650
9910-740290
9910-1040710
9910-1040600
Hose Barb
Nut
O-ring
Port Adapter
O-ring
Spacer
Valve Seat
Ball Valve w/o hose barb assy.
Retainer Clip
Gauge
Outlet Manifold
O-ring
Plug
Pin
Bolt
Selector Housing
Pressure Release Lever
O-ring
Selector Body
Spring
Ball
Seat
O-ring
O-ring
Main Body
QTY.
REQ’D.
1
1
2
1
1
1
1
2
2
1
1
8
2
1
4
1
1
1
1
1
1
2
2
1
1
REF.
NO.
27
28
29
30
31
32
33
34
35
36
37
38
39
40
43
48
49
50
51
52
53
54
55
56
- 11 -
PART
NUMBER
DESCRIPTION
9910-680560
9910-1040650
9910-1040640
9910-1040630
9910-880830
9910-1040620
9910-850440
9910-1040830
9910-394770
9910-1040610
9910-550331
9910-780330
9910-394790
9910-480550
9910-1040761
9910-1040771
9910-550210
9910-390270
9910-180370
9910-850690
9910-1040950
9910-1150650
9910-770130
9910-110130
Bolt
Spring
Valve Cap
Diaphragm
O-ring
Piston
Spacer
Spring
Spring Guide
Spring Guide Body
Washer
Bolt
Knob
Snap Ring
3/4" (M) NPT Male Adapter
3/4" (M) NPT Female Adapter
1" Straight Hose Barb
Nut
Bolt
Mounting Bracket
Cotter Pin
Bolt
O-ring
Hose barb assembly 1/2"
QTY.
REQ’D.
1
1
1
1
1
1
1
1
1
1
4
4
1
4
1
1
1
2
2
1
2
1
1
2
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