Box Type

JFB Box Type - S Series

Box Type

JFB Box Type - S Series
This model features a fully enclosed housing that encases the breaker body to minimize noise levels. It is a specialized solution for job sites with strict noise regulations, such as urban and residential areas. While effectively suppressing noise, it guarantees incomparable durability and an extended equipment lifespan by utilizing core components made from high-strength special steel and advanced heat treatment processes.
Selection of Machine
0.8 - 120 ton
Required Oil / Flow Range
15 - 350 L/min 
Operating Weight
102 - 8,200 kg

This model features a fully enclosed housing that encases the breaker body to minimize noise levels. It is a specialized solution for job sites with strict noise regulations, such as urban and residential areas. While effectively suppressing noise, it guarantees incomparable durability and an extended equipment lifespan by utilizing core components made from high-strength special steel and advanced heat treatment processes.

Selection of Machine
0.8 - 120 ton
Required Oil 
15 - 350 L/min
Operating Weight
102 - 8,200 kg
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Specifications

Inward Valve System
SmallMediumLarge
JFB10JFB20JFB30JFB35JFB40JFB43JFB45JFB50JFB60JFB70AJFB81AJFB100JFB121JFB130JFB151
Operation
Weight
kg
Box
1021261522242953755718611296150018252071263528503990
Top72921502502752955007951250145017802100270029954100
Side
72921202202503805107651255135017702114244025013789
Backhoe

270
400
550

Skid Top

180
280
320

Selection of
Machine
ton0.8-2.51.2-3.02.5-4.53.0-5.54.0-7.06-97-1411-1615-1818-2118-2625-3028-3526-4042-55
Relief Setting
Pressure
bar180-200180-200180-200180-200180-200180-200180-200200-220200-220200-220200-220200-220200-220210-230210-230
Required Oil /
Flow Range
L/min15-2520-3025-5030-6040-7040-9060-10080-11090-120100-150120-180150-210180-240200-260210-290
Operating
Pressure
bar90-12090-12090-120100-130110-140110-140130-160150-170150-170160-180160-180160-180160-180160-180160-180
Impact Ratebpm800-1400700-1200600-1100500-1000500-900400-800400-800350-700350-650350-600350-500300-450300-450250-400200-350
Rod / Chiselmm40455360687585100125135140150155155175
Impact Energyjoule2032903205506909001300210029003550420052006500900012000
Back Head
Gas Pressure
bar (psi)16 (223)
Outward Valve System
MediumLargeExtra-Large
JFB20GJFB30GJFB40GJFB165JFB175JFB185JFB210
Operation
Weight
kgBox1840254031103800520062008200
Top1740242030204100550065008500
Side1800253029003540474055007500
Side Box
4100540064008500
Selection of
Machine
ton18-2227-3035-4538-4846-6565-8575-120
Relief Setting
Pressure
bar190-210230-250
Required Oil /
Flow Range
L/min130-150150-180190-250190-230220-270220-290290-350
Operating
Pressure
bar160-180180-210
Impact Ratebpm400-800350-750250-500200-350200-300200-250180-200
Rod / Chiselmm135150160175185195210
Impact Energyjoule35887000990014500165001850022000
Back Head
Gas Pressure
bar6
16-18

Specifications and features are subject to change without notification to better improvenet in quality. 


Company Name JETAF Co.,Ltd

CEO Jung Woon-kyo

Business Registration No.  543-88-02712

Tel +82 1566-1850

Address 75-14, Daemul-ro, Daeso-myeon, Eumseong-gun, Chungcheongbuk-do, Republic of Korea

Copyright ⓒ 2025 JETAF. All rights reserved.



Company Name JETAF Co.,Ltd

CEO Jung Woon-kyo

Business Registration No.  543-88-02712
Tel +82 1566-1850
Address 75-14, Daemul-ro, Daeso-myeon, Eumseong-gun, Chungcheongbuk-do, Republic of Korea

Copyright ⓒ 2026 JETAF. All rights reserved.