JIS KS91-A-121 Air Vent Head

JIS KS91-A-121 Air Vent Head

1. Application

JIS KS91-A-121 Air Vent Head 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: fc200
(2) float: SUS316
(3) strainer: SUS400
(4) packing: nbr

The materials mentioned before are basic materials, ship-owners can choose better materials.

3. specification

DN	d	D	C	NO.	h	t	H
50	50	130	105	4	15	14	175
65	65	155	130	4	15	14	204
80	80	180	145	4	19	14	244
100	100	200	165	8	19	16	220
125	125	235	200	8	19	16	250
150	150	265	230	8	19	18	285
200	200	320	280	8	23	20	365
250	250	380	345	12	23	22	430
300	300	430	390	12	23	22	530
350	335	480	435	12	25	24	570
400	380	540	495	16	25	24	640
450	430	605	555	16	25	24	713

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