Cast Iron Flanged Angle Safety Valve CB304-92

Marine cast iron angle safety valve is used on the pipe system with the medium sea water, fresh water and steam not over 220℃

Design Standard: CB304-92

Test Standard: GB600, CB3021

Flange size as per GB569 or GB2501

Body-Cast Iron (HT200)

Bonnet-Cast Iron (HT200)

Disc-Bronze

Stem-Bronze

Spring-Spring steel wire

For Type B:

nominal diameter	nominal pressure	Structure Dimension		Thickness δ	connection dimension of flange							Weight (kg)
		Structure Dimension			connection dimension of flange
		L	H		D	D1	D2	d	b	n	Th.
25	0.1~0.3	174	80	7	105	73	56	13	14	4	M12	5.5
25	>0.3~0.6	174	80	7	105	73	56	13	14	4	M12	5.53
25	>0.6~0.9	174	80	7	105	73	56	13	14	4	M12	5.58
32	0.1~0.3	200	85	7	115	83	64	15	15	6	M14	6.27
32	>0.3~0.6	200	85	7	115	83	64	15	15	6	M14	6.33
32	>0.6~0.9	200	85	7	115	83	64	15	15	6	M14	6.39
40	0.1~0.3	210	90	8	125	93	74	15	16	6	M14	8.06
40	>0.3~0.6	210	90	8	125	93	74	15	16	6	M14	8.18
40	>0.6~0.9	210	90	8	125	93	74	15	16	6	M14	8.22
50	0.1~0.3	252	95	8	135	103	84	15	16	8	M14	11.5
50	>0.3~0.6	252	95	8	135	103	84	15	16	8	M14	11.63
50	>0.6~0.9	252	95	8	135	103	84	15	16	8	M14	11.73
50	>0.9~1.6	252	95	8	135	103	84	15	16	8	M14	12.13
65	0.1~0.3	316	115	9	155	123	104	15	15	8	M14	17.47
65	>0.3~0.6	316	115	9	155	123	104	15	15	8	M14	17.87
65	>0.6~0.9	316	115	9	155	123	104	15	15	8	M14	19.33
80	0.1~0.3	348	125	9	170	138	118	15	15	8	M14	22.3
80	>0.3~0.6	348	125	9	170	138	118	15	15	8	M14	23.6
80	>0.6~0.9	348	125	9	170	138	118	15	15	8	M14	24.4

For Type BS:

nominal diameter	nominal pressure	Structure Dimension		Thickness δ	connection dimension of flange							Weight (kg)
		Structure Dimension			connection dimension of flange
		L	H		D	D1	D2	d0	b	n	Th.
25	0.1~0.3	174	100	7	115	85	68	14	14	4	M12	7.2
25	>0.3~0.6	174	100	7	115	85	68	14	14	4	M12	7.23
25	>0.6~0.9	174	100	7	115	85	68	14	14	4	M12	7.3
32	0.1~0.3	200	105	7	140	100	78	18	15	4	M16	10
32	>0.3~0.6	200	105	7	140	100	78	18	15	4	M16	10.12
32	>0.6~0.9	200	105	7	140	100	78	18	15	4	M16	10.19
40	0.1~0.3	210	115	8	150	110	88	18	16	4	M16	11.58
40	>0.3~0.6	210	115	8	150	110	88	18	16	4	M16	11.68
40	>0.6~0.9	210	115	8	150	110	88	18	16	4	M16	11.78
50	0.1~0.3	252	125	8	165	125	102	18	16	4	M16	17.1
50	>0.3~0.6	252	125	8	165	125	102	18	16	4	M16	18.2
50	>0.6~0.9	252	125	8	165	125	102	18	16	4	M16	18.4
50	>0.9~1.6	252	125	8	165	125	102	18	16	4	M16	18.8
65	0.1~0.3	316	145	9	185	145	122	18	16	4	M16	28.7
65	>0.3~0.6	316	145	9	185	145	122	18	16	4	M16	29.1
65	>0.6~0.9	316	145	9	185	145	122	18	16	4	M16	30.56
80	0.1~0.3	348	155	9	200	160	133	18	16	8	M16	37.7
80	>0.3~0.6	348	155	9	200	160	133	18	16	8	M16	38.5
80	>0.6~0.9	348	155	9	200	160	133	18	16	8	M16	39.3