AS-series borehole cylinder
Individual parts
A – Galv. Nut (-16)
B – SS Rod(-17)
C – SS Cylinder Tube (-6)
D – Valve stop (-13NY)
E – SS Spring (-10)
F – Piston Valve (-12)
G – Ring (-8)
H – Piston
I – SS Nylock Nut (-9N)
J – Valve Stop (-3b2)
K – Seat (-1)
L – O-Ring (-4)
M – Nut & Bolt (5b & 5ny)
N – SS Spring (AS50-10)
O – Washer (3c)
P – Splitpin (3d)
Sets
Q – Ring set (-8*)
R – Piston Set (-11*)
S – Valve Stop Set (-3BC*)
T – Foot Valve (-1*)
The Jooste (AS) borehole cylinders comprises of a stainless steel tube, a piston with a single groove and ring attached to a rod and foot valve made from non corrosive polyethylene and polyurethane materials. These models are used in boreholes with a total head of up to 60 meters and have a stroke length of 320mm (12.5″)
Foot Valve
The unique design of the foot valve has a low frictional coefficient while maintaining a secure seal.
AS-Series Cylinders
| View | Code | Diameter | Tube length | Delivery (l/h) | Parts colour |
|---|---|---|---|---|---|
 |
AS-50 |
50 (2") | 450 (18") | ± 500 | Brown |
 |
AS-60 |
60 (2.5") | 450 (18") | ± 770 | Yellow |
 |
AS-70 |
70 (3") | 450 (18") | ± 1,100 | Purple |
 |
AS-80 |
80 (3.5") | 450 (18") | ± 1,370 | Green |
 |
AS-100 |
100 (4") | 450 (18") | ± 2,100 | Orange |
 |
AS-130 |
130 (5") | 450 (18") | ± 3,250 | White |
 |
AS-150 |
150 (6") | 450 (18") | ± 4,800 | Blue |
 |
AS-180 |
180 (7") | 450 (18") | ± 6,500 | Blue |