GB 3887 Type B Weathertight Mushroom Ventilator With Handwheel Marine Outfitting

Price Negotiable

Price: Based on quotation

MOQ: 1 Unit

Delivery Time: Based on project requirements

Brand: Zhongyuan Marine Equipmen

Product Description

GB 3887 Type B Weathertight Mushroom Ventilator With Handwheel

Description:

GB 3887 type B Marine Mushroom Ventilator is weathertight ventilator It is fitted with handwheel open and closing cover with rubber seal. It has the function of anti-rat, insect- proof and fireproof, good ventilation effect, and reliable weather-proof. It can be positioned on position 1 and 2 of the freeboard deck.

Main Technical Specification:

Technical Standard: GB 3887-83
Type: B
Nominal Size: 400-900mm
Materials: Mild Steel, Stainless Steel, Bronze, Copper
Surface treatment: sandblasting to S2.5 + one layer of epoxy shop primer, Galvanized, Polished, customized surface treatment available.
Can be Customized
Classification Certificates:CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, Etc.

Main Technical Parameters:

Nominal diameter DN	D	D1	H	H1	H2	d	t for Seagoing Vessel	t for Inland waterway ship	Weight kg
400	400	710	280	350	105	T36×6-left	10	5	98.1
450	450	800	280	375	105	T36×6-left	10	5	124.2
500	500	890	320	405	105	T40×6-left	10	6	148
550	550	980	320	435	105	T40×6-left	10	6	167.6
600	600	1060	320	470	120	T40×6-left	10	6	171
650	650	1150	320	500	120	T40×6-left	10	6	210
700	700	1240	320	520	120	T40×6-left	10	6	224.9
750	750	1320	320	540	120	T40×6-left	10	7	259
800	800	1410	320	560	140	T40×6-left	10	7	290.8
850	850	1500	320	580	140	T40×6-left	10	7	322
900	900	1580	360	600	140	T44×8-left	10	7	357.4