Serial No.	Type	Nominal working Pressure(MPa)	Water test pressureMPa	Volume(L)	Nominal Outer Dia(mm)	Design wall thickness(mm)	Length(mm)	Weight(kg)	Material for cylinder	Carry out standard
1	WMA140-4-15	15	22.5	4	140	3.6	395	6.7	37Mn	GB5099
2	WMA140-5-15	15	22.5	5	140		455	7.5	37Mn
3	WMA140-6.7-15	15	22.5	6.7	140		585	9.7	37Mn
4	WMA140-8-15	15	22.5	8	140		680	11	37Mn
5	WMA159-8-15	15	22.5	8	159	4.5	545	10.5	37Mn	GB5099
6	WMA159-10-15	15	22.5	10	159		675	13	37Mn
7	WMA159-15-15	15	22.5	15	159		955	18	37Mn
8	WMA219-20-15	15	22.5	20	219	5.7	720	30	37Mn	GB5099
9	WMA219-32-15	15	22.5	32	219		1080	42.5	37Mn
10	WMA219-36-15	15	22.5	36	219		1200	47	37Mn
11	WMA219-38-15	15	22.5	38	219		1250	49	37Mn
12	WMA219-40-15	15	22.5	40	219		1310	51	37Mn
13	WMA219-45-15	15	22.5	45	219		1460	56.5	37Mn
14	WZA267-68-15	15	22.5	68	267	6	1500	74	37Mn	GB5099
15	WZA267-70-15	15	22.5	70	267		1540	76	37Mn
16	WZA267-80-15	15	22.5	80	267		1740	84	37Mn
17	WZA267-82-15	15	22.5	82	267		1780	86	37Mn
18	WZA279-60-15	15	22.5	60	279	6	1270	71	37Mn	GB5099
19	WZA279-70-15	15	22.5	70	279		1460	80	37Mn
20	WZA279-80-15	15	22.5	80	279		1640	90	37Mn
21	WMA232-40-15	15	25	40	232	4.5/5.5	1230	49	34CrMo4	ISO9809
22	WMA232-47-15	15	25	47	232		1400	56	34CrMo4
23	WMA232-50-15	15	25	50	232		1500	59	34CrMo4