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Water Tank Ball Float Type Marine Air Vent Head Type G,GS

Type G and Type GS marine air pipe heads are designed, manufactured and inspected in accordance with the standard CB 20037-2012 or CB/T 3594-1944. They are suitable for oil and water tanks for various ships and offshore drilling platforms. The flanges of Type G are in standard CB/T 4196-2011 while Type GS are GB/T 2501-2010.

The optional range of nominal diameter is DN50~DN450, each model is also available in material of cast iron and nodular cast steel.

Type G GS --Ball Float Type- Water Tank Air Vent Head

Nominal DN	Structure Size			Flange Size					S	Weight
	H	L	t	b	D	D1	d0	n
50	250	145	7	16	135	103	15	6	65	12.37
					140	110	14	4		12.50
65	285	170		15	155	123	15	6	88	18.89
				16	160	130	14	4		19.10
80	325	200		15	170	138	15	8	105	21.93
				18	190	150	18	4		22.40
100	380	245	8	15		158	15	8	130	32.20
				18	210	170	18	4		34.10
125	440	300		15	215	183	15	10	150	47.54
				20	240	200	18	8		49.30
150	510	345	9	16		208	15	12	190	94.70
				20	265	225	18	8		153.91
200	630	450		16	295	264	15	12	245	157.00
				22	320	280	18	8		218.78
250	750	565	10	18	365	327	17	14	305	222.00
				24	375	335	18	12		299.73
300	870	670	11	19	430	386	21	14	345	302.00
				24	440	395	22	12		454.48
350	1020	780	12	20	480	436	21	16	450	459.00
				26	490	445	22	12		513.38
400	1130	880	13	21	530	486	21	16	520	520.00
				28	540	495	22	16		569- 1965.66
450	1240	980	14	21	580	536	21	18	580
				28	595	550	22	16		580.00
Note: Note 1: The upper value in the column of flange connection dimensions of the same nominal diameter is the connection size specified in GB/T 4196-2011, and the lower value is the connection size specified in GB/T 2501-2010.

The rich variety of modes makes our air pipe head meet most ship-related application scenarios, and the strict quality requirements make our products durable and worry-free.

If any interest pls do not hesitate to contact us.