Galassi & Ortolani - Valves

NOMENCLATURE OF DETAILS
1	WHEEL
2	LEAD SCREW
3	SUPPORT
4	HEXAGON NUT
5	WASHER
6	UPPER PLUG
7	TIE ROD
8	RUBBER SLEEVE
9	HEXAGON NUT
10	WASHER
11	BUSHING OF BRONZE
12	VALVE BODY
13	HEXAGON NUT
14	WASHER
15	HEXAGON BOLT
16	HEXAGON NUT
17	WASHER
18	HEXAGON BOLT
19	SUPPORT AND CYLINDER
20	SPRINGS
21	CYLINDER
22	PISTON AND DRIVE PIN
23	"V" GASKET
24	RUBBER TUBE
25	CLAMPING SCREW FOR BUSHING
26	WASHER
27	CLAMPING SCREW FOR BUSHING
28	LOWER PLUG
29	RETURN BUSHING

OVERALL DIMENSIONS
Ø	A	B	C	D	E	F	G	H	I	L	M	N	O	P	Q	R	S
20	310	205	105	150	70	6	107	95	58	105	75	4	14	84	125	16	160
25	345	220	125	160	80	6	118	106	68	115	85	4	14	102	155	16	185
30	380	245	135	178	80	7.5	130	115	78	140	100	4	18	110	155	18	202
40	445	300	145	212	100	7	154	140	88	150	110	4	18	140	175	18	233
50	495	330	165	233	110	8	176	160	102	165	125	4	18	160	175	20	262
60	525	350	175	245	120	7	194	180	130	185	145	4	18	180	205	20	280
70	565	380	185	260	140	8	206	190	137	185	145	4	18	205	205	20	305
80	605	410	195	280	140	9	215	196	148	200	160	4	18	225	205	22	325
90	665	450	215	320	200	9	250	232	178	210	170	8	18	275	230	22	345
100	715	490	225	330	200	9	275	260	158	220	180	8	18	275	230	22	385
125	850	600	250	415	220	10	300	280	198	250	210	8	18	325	275	24	435
150	935	650	285	445	240	10	330	300	222	285	240	8	22	360	300	24	490
175	1055	740	315	500	330	10	355	335	280	315	270	8	22	405	300	26	555
200	1142	800	342	550	330	10	375	350	298	340	295	8	22	450	315	26	592

DN	P.N Kg/cm2	HYDRAULIC TEST Kg/cm2		WORK PRESSURE Kg/cm2
DN	P.N Kg/cm2	OPEN	CLOSED	WORK PRESSURE Kg/cm2
20	5	10	5	4
25	5	10	5	4
30	5	10	5	4
40	5	10	5	4
50	5	10	5	4
60	5	10	5	4
70	5	10	5	4
80	5	10	5	3
90	5	10	5	3
100	4	10	4	3
125	4	10	4	3
150	4	8	4	3
175	4	8	4	3
200	4	8	4	3

WEIGHTS in Kg
Ø	ALUMINIUM	CAST IRON
20	3.000	5.000
25	4.500	6.000
30	5.200	8.000
40	7.700	12.200
50	9.000	13.600
60	12.100	19.000
70	13.500	21.000
80	15.000	23.000
90	23.000	29.000
100	23.000	36.000
125	33.000	52.000
150	43.500	65.000
175	54.000	79.000
200	61.000	94.500

VALORI DELLE PRESSIONI DI COMANDO PNEUMATICHE
D.N.	MIN Kg/cm2	MAX Kg/cm2
20	4	6
25	4	6
30	4	6
40	4	5
50	4	5
60	4	5
70	4	5
80	3.5	4.5
90	3.5	4.5
100	3.5	4.5
125	3.5	4.5
150	3.5	4.5
175	3.5	4.5
200	3.5	4.5