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HHR - DOUBLE ACTING HOLLOW PISTON CYLINDERS

Capacities from 33 to 247 tonnes
Stroke lengths from 50 to 305mm
Working pressure 700 Bar

The HHR double acting hollow piston cylinder range incorporates all of the design features of the HHS range with the added benefit of double acting design, which greatly enhances speed of operation and performance particularly in the longer length stroke options. Additionally a substantial hydraulic pulling force is available in the piston retraction mode of operation. Standard range models are featured in this catalogue, however other stroke and tonnage options are available on request.

>> Double acting design
>> Surface treated piston rod
>> Annular area overload protection valve
>> Low friction bearing surfaces
>> Anti-extrusion seals
>> Optional piston rod saddles

Model number	Capacity
	Push	Pull	Stroke mm	Oil cap cm3	Cyl. eff. area cm2	Weight kg
	tonnes		Stroke mm	Oil cap cm3	Cyl. eff. area cm2	Weight kg
HHR302	33	24	51	238	46.7	12.2
HHR306	33	24	150	701	46.7	17.6
HHR3012	33	24	305	1424	46.7	25.7
HHR603	61	38	76	652	85.7	30.6
HHR606	61	38	152	1304	85.7	41.6
HHR6010	61	38	254	2179	85.7	52.5
HHR1002	102	43	50	715	143.1	61.3
HHR1003	102	43	76	1087	143.1	68.5
HHR1006	102	43	152	2174	143.1	90.0
HHR2508	247	89	203	6946	346.5	269.0

Dimensions in mm (unless otherwise stated)
A	B	C	D		E	F	G	H	I	J
180	115	60.3	35		41/2"-12un	40	M8	92	28	119
279	115	60.3	35		41/2"-12un	40	M8	92	28	218
434	115	60.3	35		41/2"-12un	40	M8	92	28	373
239	160	92	55		61/4"-12un	45	M12	130	31	166
315	160	92	55		61/4"-12un	45	M12	130	31	242
417	160	92	55		61/4"-12un	45	M12	130	31	344
284	213	140	80		83/8"-12un	40	M16	178	82	208
308	213	140	80		83/8"-12un	40	M16	178	82	234
387	213	140		80	83/8"-12un	40	M16	178	82	310
500	340	250		150	Optional	-	Optional	-	98	389