NPK Hydraulic Hammers
A better design that combines efficiency, reliability and serviceability.
- 1. Excellent power-to-weight ratio
- 2. Unique gas-charged piston maximizes hammer efficiency
- 3. Simple, two-moving-parts design for reliability
- 4. Separate ports for the NPK AutoLube system and an air line for underwater use
- 5. Bottom tie rod nuts for easier serviceability (GH Models)
- 6. Quick-change tool system with single round retainer pin
- 7. Variety of tool configurations available
- 8. Replaceable cylinder sleeves for easy, economical rebuild
- 9. Tool bushings engineered for quick, easy replacement
Hydraulic Hammer Model and Specification
MODEL | EXCAVATOR WEIGHT (t) | ||
---|---|---|---|
PH Series Light Class | PH-1 | 2.0~3.5 | Innovative One-Piece Body Model (EASY – Maintenance , LIGHT - Wight Body POWERFUL & GOOD Performance ) |
PH-2 | 3.0~5.5 | ||
PH-3 | 4.0~8.0 | ||
PH-4 | 6.0~9.0 | ||
Medium Class | GH-6 | 10~16 | Excellent Power to weight ratio |
GH-7A | 15~18 | ||
GH-9 | 19~21 | ||
Medium to Heavy Duty Class | GH-10 | 19~21 | Higher impact energy provides greater productivity |
GH-12 | 22~28 | ||
GH-15 | 29~38 | ||
GH-18 | 39~48 | ||
Heavy Duty Class | GH-23 | 50~60 | Suitable for Quarry and demolition work |
GH-30 | 60~80 | ||
GH-40 | 90~100 | ||
GH-50 | 120 |
Model |
EXCAVATOR WEIGHT |
Operating Weight |
Oil flow |
Blow Frequency |
Min. Excavator's refief setting pressure |
---|---|---|---|---|---|
|
(t) |
(Kg) |
(l/min) |
(bpm) |
(Mpa) |
PH-1 |
2.0~3.5 |
150 |
25~55 |
550~1,100 |
25~ |
PH-2 |
3.0~5.5 |
180 |
25~60 |
500~1,200 |
25~ |
PH-3 |
4.0~8.0 |
315 |
45~100 |
500~1,150 |
25~ |
PH-4 |
6.0~9.0 |
435 |
50~120 |
400~1,000 |
25~ |
GH-6 |
10~16 |
1,000 |
90~150 |
450~800 |
25~ |
GH-7A |
15~18 |
1,460 |
100~180 |
400~750 |
25~ |
GH-9 |
19~21 |
1,700 |
150~200 |
500~650 |
25~ |
GH-10 |
19~21 |
1,810 |
165~210 |
430~550 |
25~ |
GH-12 |
22~28 |
2,355 |
170~220 |
400~520 |
25~ |
GH-15 |
29~38 |
2,860 |
200~250 |
350~450 |
25~ |
GH-18 |
39~48 |
3,350 |
220~290 |
300~400 |
25~ |
GH-23 |
50~60 |
4,525 |
250~320 |
300~400 |
25~ |
GH-30 |
60~80 |
5,470 |
280~350 |
310~390 |
25~ |
GH-40 |
90~100 |
7,750 |
300~400 |
240~330 |
25~ |
GH-50 |
120 |
11,300 |
350~450 |
210~280 |
25~ |