Torque Specs

Diaphragm Pumps - Torque Specifications Nm

Model Diaphragm Bolts Head Bolts Valve Caps Inlet Manifolds Discharge Manifolds Brass or Aluminum Only Discharge Manifolds Plastic Only Pulsation Dampener
MC 8/18 4 2.2 4 NA NA NA NA
MC 20/25

10 8 4 NA NA NA 18
MP 20/30/40, P48 10 20 4 NA NA NA 30
APS 31/41 10 18 6 NA 6 NA NA
APS 51, 71 & 96

20 33 18 NA 18 NA NA
APS 101/121/141/145

20 55 33 33 33 NA 22
IDS Series

20 56 16 NA 56 NA 22
P 36, BP 75
20 7 7 7 NA 7 NA

Plunger Pumps - Torque Settings Nm

Model Manifold Screw Cap Valve (Aluminum) Cap Valve ( Brass) Bearing Flange Screw - Non Shaft Side Conn. Rod Screw Crankcase Cover Screw Bearing Flange Screw - Shaft Side Piston Nut Eccentric Shaft Screw Crankcase Flange Screw
BX 25 45 25
AX 25 35 45 25 25
BW 10 45 4 9 9 6
LW, ZW 10 40 <3335PSI = 50
>3335PSI = 60
4 9 9 6
AW <3335PSI = 10
>3335PSI = 80
45 4 9 9 6
FW 25 50 9 4 25 10
HW 25 80 9 4 25 10
FW2 25 <3335PSI = 50
>3335PSI = 80
9 4 25 10
RW 25 <3335PSI = 50
>3335PSI = 80
9 4 25 10
SW 45 80 25 9 25 15
TW 45 <5221PSI = 80
>5221PSI = 80
25 25 9 25 15
Loctite 243 <5521PSI = Loctite 243
>5221PSI = Loctite 270
Loctite 243 Loctite 243 Locktite 243