Fire Screen Air Vent Head

Fire Screen Air Vent Head

1. Application

Fire Screen Air Vent Head can prevent seawater, rain, fire and mosquitoes from entering the tank, and it can through inhalation and breathing to let the air pressure in the cabin close to the atmospheric pressure,so that the pressure is kept within the design pressure of the tank.

2. Material

(1) body & cover: cast steel

(2) the milk type connects: stainless steel

To meet the different needs of customers, the special materials can be customized according to one's request processing.

3. Features

(1) The product is of less weight, better ventilation and pretty outline.

(2) We could manufacture this product according to your flange requirement.

4. Specification

DN	Structure dimension		thickness	Lift range h	Flange connection size
	L	H			D	D1	D2	b	n	d0
50	160	170	6.5	17	135	103	84	15	6	15
					140	110	90	16	4	14
65	190	200		22	155	123	104	14	6	15
					160	130	110	16	4	14
80	225	205	7.5	27	170	138	118	14	8	15
					190	150	128	18	4	18
100	245	235	8		190	158	138	14	8	15
					210	170	148	18	4	18
125	290	265		44	215	183	164	14	10	15
					240	200	178	20	8	18
150	367	300	9	53	240	208	190	14	12	15
					265	225	202	20	8	18
200	463	367		60	295	264	247	15	12	15
					320	280	258	22	8	18
250	550	460		78	365	327	306	16	14	17
					375	335	312	24	12	18
300	650	580	10	85	430	386	360	19	14	21
					440	395	365	24	12	22
350	770	680		95	480	436	410	20	16	21
					490	445	415	26	12	22

5. IACS Certificate: NK, RINA, DNV, CCS, LR, BV, ABS.