3
Adjusting Screw (27-)
Lock Nut (28-)
Rivet (43)
Fitting (30A)
Pipe A (34)
Plug (29)
Tee (33)
Pipe B (35)
Fitting (30B)
Bolt (41)
Pipe C (36)
Plug (49)
Bottom Diaphragm
Case (5)
Retainer (11)
E-Ring (53)
Main Spindle (9)
Nut (40)
Top Diaphragm
Case (4)
Gasket (47)
Stud Bolt (39)
Guide (10)
Body (1)
Gasket (8)
Main Valve Seat (7)
Main Diaphragms (12)
Elbow (32)
Fitting (30C)
Nameplate (42)
Bolt (37)
Pilot Valve (17)
Plug (29)
Downstream
Sensing Port
Fittings (55)
Adapter Plate For
2" NPT (Does Not
Require Spring
Retainer (11)
Spring Housing (3)
Top Spring Plate (25)
Adjusting Spring (24)
Bottom Spring Plate (26)
Pilot Diaphragms (23)
Bolt (21)
Pilot Spring Plate (20)
Pilot Valve Spring (19)
Pilot Valve Seat Capsule (18)
Bolt (38)
Gasket (22)
Pilot Body (2)
Gasket (16)
Screen (15)
Spring Plate (14)
Main Valve Spring (13)
Main Valve -B- (6)
Start-Up and Adjustment Procedures
Figure 3-1
Main Valve Kits
K-2100 thru K-2108
Main Diaphragm Kits
K-2130 thru K-2136
Gasket Sets
K-2380 thru K-2386
Adapter Kits
OB-2000 and OB-2000PT
K-2020 thru K-2036
1 Main Valve 2 Main Diaphragms 1 Screen
1 Main Body Top Gasket
Never-Seeze
compound
1 Main Body Top Gasket
1 Body Spacer Gasket 1 Main Body Bottom Gasket
1 Body Spacer Gasket
Pilot Kit
K-2PDK
Pilot Kit
K-2110
Tube Kits
K-2120 thru K-2126 Adjusting Springs
2 Pilot Diaphragms 1 Pilot Valve Capsule Yellow *1.5 - 3
Never-Seeze
compound
2 Pilot Diaphragms Yellow 3 - 21
1 Pilot Capsule Gasket Green 15 - 200
*Must remove one pilot diaphragm.
(Also reduces capacity to half.)
ll external tubing and fittings
needed to remote mount pilot
valves to main valves.
For all external tubing and
fittings.