Ship's Bottom Drain Plug without Shoulder CB/T254-1997

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Shipbuilding Equipment,Machienry and Consumables Supplies

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Ship Bottom Drain Plug is the water & oil drain plug of the water tank & oil tank on the ship bottom. It has two types, Type A & Type B.

Design Standard: CB/T254-1997 (not suitable for the bottom plate less than 6mm) & JIS F3005-1982

Type	Name	Plug		Applicable Place
		Type & Code	Material
A	Bottom Drain Plug without Shoulder	Hexagonal (O)	Stainless Steel	Ship Bottom Oil Tank
		Rectangular (W)		Ship Bottom Water Tank
B	Bottom Drain Plug with Shoulder	Hexagonal (O)	Brass	Ship Bottom Oil Tank
		Rectangular (W)		Ship Bottom Water Tank

*There should be 1pc of galvanized spanner for each 10pcs.

*It should be done the seal test with the tanker after the installment.

Seat Plate---Carbon Steel

Plug---Stainless Steel or Brass

Packing---Pb4 or Neoprene

Nominal Size	Plug Dia	Plug & Packing									Seat Plate
	D	d	C	E	F	G	J	K	L	M	D1		D2	D3	B	Q		Suitable Bottom Plate Thickness	h	S
											Type A	Type B				Type A	Type B
30	M30X2	40	14	5	22	20	15	18	6	2	_	75	60	42	10	14	14	>6~10	30	6
																		>10~18	30	8
42	M42X2	52	15		27	26	21	23	8	2	_	115	100	54	16	17	h-T	18~22	35	8
			20													23	h-T	>22~23	45	13
																		>32~42	55	18
52	M52X2	62	15								_	125	110	64	20	17	h-T	18~22	35	8
			20													23	h-T	>22~23	45	13
																		>32~42	55	18
62	M62X2	72	15								_	135	120	74	24	17	h-T	>18~22	35	8
			20													23	h-T	>22~23	45	13
																		>32~42	55	18
72	M72X2	90	25		38	35	26	31	10	2.5	_	155	140	92	28	23	h-T	>22~23	45	13
																		>32~42	55	18

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