The spring-reinforced, preset packing design of the plunger pumps permits significantly greater pressures than piston pumps. The plunger pumps also offer tremendous versatility with optional direct coupling drives and wet-end material options.
Like the piston pumps, the design of the plunger pump also allows for forward liquid flow, however, both the inlet and discharge valves are spring-loaded closed and hydraulically opened.
At the beginning of the stroke, the plunger displaces the liquid in the manifold chamber and forces the discharge valve open. There is a split second at the end of the stroke when both inlet and discharge valves are closed.
As the plunger rod begins its backward stroke, the inlet valve opens to allow more liquid into the manifold chamber, thereby keeping a smooth forward flow of liquid.
Note: The spring tension on the discharge valves requires a minimum of 100 PSI discharge pressure to properly activate the vales.
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PUMP ¸ðµ¨¸í |
Flow À¯·®L/M |
Pressure ¾Ð·ÂBAR |
Manifold ÆßÇÁÇìµåÁ¦Áú |
Horsepower ¼Ò¿äµ¿·ÂHP |
RPM ȸÀü¼ö |
Drive Type ±¸µ¿¹æ½Ä |
pdf |
CAT 310 |
15.0 |
155 |
Brass |
6.0 |
950 |
Belt |
|
CAT 311 |
15.0 |
155 |
SS |
6.0 |
950 |
Belt |
|
CAT 317 |
15.0 |
155 |
NAB |
6.0 |
950 |
Belt |
|
CAT 340 |
|
125 |
Brass |
5.0 |
1725 |
Belt/Direct |
|
CAT 340C1 |
15.0 |
125 |
Brass |
5.0 |
1725 |
Clutch-12 VDC |
|
CAT 341 |
15.0 |
125 |
SS |
5.0 |
1725 |
Belt/Direct |
|
CAT 347 |
15.0 |
125 |
NAB |
5.0 |
1725 |
Belt/Direct |
|
CAT 350 |
19.0 |
105 |
Brass |
5.1 |
1725 |
Belt/Direct |
|
CAT 351 |
19.0 |
105 |
SS |
5.1 |
1725 |
Belt/Direct |
|
CAT 357 |
19.0 |
105 |
NAB |
5.1 |
1725 |
Belt/Direct |
| |