Buffer Stops

Forgesail’s Buffer Stop solutions provide reliable and durable impact absorption systems for rail and crane operations. Explore products like Polyurethane Buffer, Hydraulic Buffer, and Bumping Post, along with other specialized solutions designed for safe and efficient operation in rail yards, ports, industrial facilities, and heavy machinery environments.

High-Performance Polyurethane (PU) Crane Buffers Utilizing a highly engineered micro-cellular structure, our Polyurethane Buffers are designed to absorb and dissipate impact energy with maximum efficiency. During impact, the material acts like a heavy-duty spring with multi-airbag damping. This makes them the ideal protective solution for all types of crane and track equipment operating in high-frequency collision environments.

Easy Installation & Zero Maintenance
Silent, Spark-Free & Explosion-Proof
Extreme Environmental Resistance
Exceptional Impact & Compression Capacity

Core Parameters for Polyurethane Buffers

No.	Model	D (mm)	H (mm)	h (mm)	B (mm)	b (mm)	Φ (mm)	Buffer Capacity (kNm)	Stroke (mm)	Max Force (kN)	Weight (kg)
1	JHQ-C-1	65	80	8	100	70	12	0.265	60	28	0.909
2	JHQ-C-2	80	80	8	115	85	12	0.400	60	42	1.530
3	JHQ-C-3	80	100	8	115	85	12	0.502	75	42	1.595
4	JHQ-C-4	100	80	8	130	100	14	0.268	60	66	1.805
5	JHQ-C-5	100	100	8	130	100	14	0.785	75	66	1.907
6	JHQ-C-6	100	125	8	130	100	14	0.980	90	66	2.235
7	JHQ-C-7	125	100	10	165	130	14	1.222	75	103	3.299
8	JHQ-C-8	125	125	10	165	130	14	1.533	94	103	3.502
9	JHQ-C-9	125	160	10	165	130	14	1.960	120	103	3.778
10	JHQ-C-10	160	125	10	200	160	18	2.512	94	169	5.513
11	JHQ-C-11	160	160	10	200	160	18	3.215	120	169	5.809
12	JHQ-C-12	160	200	10	200	160	18	4.019	150	169	7.909
13	JHQ-C-13	200	160	12	250	200	18	5.024	120	265	9.829
14	JHQ-C-14	200	200	12	250	200	18	6.280	150	265	10.65
15	JHQ-C-15	200	250	12	250	200	18	7.850	188	265	11.85
16	JHQ-C-16	250	200	12	320	250	22	9.810	150	414	16.55
17	JHQ-C-17	250	250	12	320	250	22	12.266	188	414	18.15
18	JHQ-C-18	250	320	12	320	250	22	15.700	240	414	20.38
19	JHQ-C-19	320	250	14	400	315	22	20.096	188	675	30.40
20	JHQ-C-20	320	320	14	400	315	22	25.732	240	675	30.06
21	JHQ-C-21	320	400	14	400	315	22	32.154	300	675	38.24
22	JHQ-C-22	320	450	14	400	315	22	36.170	337	675	40.02
23	JHQ-C-23	400	450	14	460	370	22	56.500	337	1054	65.27
24	JHQ-C-24	400	300	14	460	370	22	37.700	225	1054	53
25	JHQ-C-25	430	450	14	460	370	22	65.300	337	1218	71.4
26	JHQ-C-26	430	480	14	460	370	22	69.700	360	1218	74.3
27	JHQ-C-27	430	500	14	460	370	22	72.600	375	1218	76.2
28	JHQ-C-28	500	450	14	460	500	24	88.300	337	1647	107
29	JHQ-C-29	800	1000	16	880	800	26	502.300	750	4218	290

Need detailed technical drawings for your project?

DOWNLOAD 3D CAD & INSTALLATION MANUAL (PDF)

* Includes precise dimensional data, material grades, and hole layout requirements.

The FORGESAIL Industrial Hydraulic Crane Buffer is engineered to improve the operational safety of heavy lifting and transport equipment. Designed in compliance with international industrial safety standards, these large-bore hydraulic buffers deliver controlled, reliable deceleration and are widely used in overhead and gantry cranes, lifting systems, transfer carts, container handling equipment, and other heavy-duty safety stop applications.

Buffer stoppers consist of a damping element and a structural support system: the damping element absorbs kinetic energy and generates deceleration, while the structure transmits this force to the moving object. Depending on application requirements, buffer stoppers can be hydraulic, pneumatic, or spring-based, all serving to reduce impact force and ensure controlled and safe deceleration.

FORGESAIL employs certified engineering and simulation-based validation to ensure precise damping performance. Before manufacturing, each heavy-duty buffer model undergoes computer simulation to generate accurate response curves, enabling customization for specific working conditions. The heavy-series buffer adopts a nitrogen return system for smooth deceleration without external return mechanisms, while the optimized cylinder design enhances energy absorption and safety. Rigorous testing ensures consistency between design intent and real-world performance

The Bumping Post, also known as a track bumper or crane runway bumping post, is a heavy-duty safety device installed at the terminal end of crane tracks to prevent overtravel and derailment. Made from high-grade carbon or alloy steel, it forms a rigid physical barrier capable of absorbing kinetic impact energy, thereby protecting cranes and rail systems during operation in demanding industrial environments.

To enhance durability, the Bumping Post can be finished with hot-dip galvanization or industrial coating for strong corrosion resistance in outdoor, humid, or chemically exposed environments. Structurally reinforced with welded ribs or bolted plates, it is designed for high-impact performance, adaptable to standard or custom crane rail profiles, and easily anchored to concrete or steel foundations using pre-drilled base plates. Its weather-resistant construction supports long service life with minimal maintenance.