Bellows Seal Globe Valve

Bellows Seal Globe Valve

1. Also named bellows type globe valve.

2. Medium: seawater, fresh water, lube oil, fuel oil, hot oil or steam not higher than 273 ℃.

3. Flange connection standard: GB2501-89

4. Material: stainless steel

5. Drawing for AS type:

6. Drawing for BS type:

7. Main external and connection dimension

Nominal Pressure PN	Nominal Diameter DN	Flange Connection Dimension				Structure Length
10		Flange Connection Dimension				H		L
		D	C	n	d	A type	B type	A type	B type
	65	185	145	4	18	304	270	290	145
	80	200	160	8	18	353	312	310	155
	100	220	180	8	18	373	324	350	175
	125	250	210	8	18	455	395	400	200
	150	285	240	8	22	474	402	480	225
	200	340	295	8	22	610	535	600	275
	250	395	350	12	11	705	615	730	325
16	100	220	180	8	18	417	368	350	175
	125	250	210	8	18	465	405	400	200
	150	285	240	8	22	525	452	480	225
	200	340	295	12	22	572	505	600	275
	250	405	355	12	26	643	565	730	325
25	15	95	65	4	14	200	186	130	90
	20	105	75	4	14	200	186	150	95
	25	115	85	4	14	200	186	160	100
	32	140	100	4	18	220	200	180	105
	40	150	110	4	18	242	218	200	115
	50	165	125	4	18	280	250	230	125
	65	185	145	8	18	304	270	290	145
	80	200	160	8	18	353	312	310	155
	100	235	190	8	22	373	324	350	175
	125	270	220	8	26	455	395	400	200
	150	300	250	8	26	474	402	480	225
	200	360	310	12	26	610	535	600	275
	250	395	340	12	30	710	615	730	325

Type	Nominal Pressure PN Mpa	Nominal Diameter DN	Working Temperature(℃)
			Max Working Temperature Allowed P(Mpa)
			P2	P5	P10	P20	P25
A.B	10	65-150	1.0	0.86	0.81	0.76	0.71
	16	125-150	1.6	1.31	1.29	1.21	1.13
	25	20-150	2.5	2.15	2.01	1.89	1.77
AS.BS	10	65-250	1.0	0.86	0.81	0.76	0.71
	16	100-250	1.6	1.31	1.29	1.21	1.13
	25	15-250	2.5	2.15	2.01	1.89	1.77