GB T11691-1989 Cast Steel Suction Sea Valve

GB T11691-1989 Cast Steel Suction Sea Valve

1. Application

GB T11691-1989 Cast Steel Suction Sea Valve can be generally used to repair ships and used for shipbuilding in sea water and fresh water, sometimes it also can be used in offshore platform.

2. Material

(1) body & cover: cast steel

(2) stem: aluminum bronze

(3) disc: cast tin bronze

The material of this product can be made to order, for example:cast steel, stainless steel 304, stainless steel 316L etc.

3. Technical Data

(1) nominal pressure(MPa): 0.4

(2) nominal diameter(mm): 50~500

4. Features

(1) Excellent quality and beautiful shape.

(2) We can provide samples if necessary.

5. Dimensions(mm)

DN	Structure dimension		flange					bolt		Hand wheel	Lift range	Weight (kg)
	L	H	D	D1	D2	d0	b	n	Th.
50	125	230	140	110	90	14	16	4	M12	140	16	14
65	145	240	160	130	110						20	17.1
80	155	260	190	150	128	18	18		M16	160	24	21
100	175	280	210	170	148					180	30	25.7
125	200	310	240	200	178		20	8		200	40	36.5
150	225	340	265	225	202					225	48	59.8
200	275	375	320	280	258		22			280	60	80.7
250	325	425	375	335	312		24	12		360	70	121
300	375	480	440	395	365	22			M20	400	78	184
350	425	560	490	445	415		26			450	100	247
400	475	640	540	495	465		28	16		500	110	324
450	500	720	595	550	520		30	16	M20	550	150	440
500	525	800	645	600	570			20	M20	600	155	518

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