1.the material of the fastener is iron. 2.ISO9000,CCS The accumulator clamps is special designed for fixing the accumulator.it has advantage of the reliablity structure and flexibility connection and easy operation.here is the model and basic parameters:

model	A	B	C	D	H	E	L	S	K	suit for accumulator	weight(kg)
NXJ-A1	120	85	112	89-92	51-52.5	40	8	1	1	NXQ*-L0.4~L0.63	0.17
NXJ-A2	156	100	143	106-114	62.5-66	60	18	3	1	NXQ*-L1	0.41
NXJ-A3			191	152-159	87-91				1	NXQ*-L1.6~L6.3	0.46
NXJ-A4	236	152	256	216-224	120-124		32	4	1	NXQ*-L10~L40	0.77
NXJ-A5	332	280	322	299	190	40	D15		370	NXQ*-L20~L100	2.05
NXJ-A6	422	360	378	351	190				415	NXQ*-L150	2.40

accumulator clamps,professional designed