GB T2499-93 Marine Double Row Stop Valves Case

GB T2499-93 Marine Double Row Stop Valves Case

1. Application

GB T2499-93 Marine Double Row Stop Valves Case generally used to repair ships and shipbuilding in sea water and fresh water.

2. Material

(1) body & cover: gray cast iron

(2) disc: cast tin bronze

(3) seat & stem: aluminum bronze

the material of goods can be chosen according to your needs, we can according to customer demand for customized the material.

3. Technical Data

(1) nominal pressure(MPa):1.0 ; 0.6

(2) nominal diameter(mm): 40/50~150/200 ; 200/250~250/300

4. Features

(1) Most products have been approved by CCS, BV, ABS, LR, NK, RINA etc.

(2) Excellent quality and beautiful shape.

5. Dimensions(mm)

R/S

PN (MPa)	DN (mm)		Structure dimension						Connection dimension of flange
			L		L1	L2	H	H1	Inlet DN1					bolt		Outlet DN2					bolt
	DN1	DN2	R	S					D1	D2	D3	b1	d1	n1	Th.	D3	D4	D5	b2	d2	n2	Th.
1.0	40	50	380	540	110	160	236	160	125	93	74	16	15	6	M14	135	103	84	16	15	6	M14
	50	65	420	600	120	180	257	165	135	103	84	16	15	6	M14	155	123	104	15	15	6	M14
	65	80	440	620	130	180	270	180	155	123	104	15	15	6	M14	170	138	118	15	15	8	M14
	80	100	480	680	140	200	300	202	170	138	118	15	15	8	M14	190	158	138	15	15	8	M14
	100	125	570	800	170	230	309	235	190	158	138	15	15	8	M14	215	183	164	15	15	10	M14
	125	150	650	900	200	250	355	275	215	183	164	15	15	10	M14	240	208	190	16	15	12	M14
	150	200	740	1020	230	280	410	295	240	208	190	16	15	12	M14	295	264	247	16	15	12	M14
0.6	200	250	940	1320	280	380	510	370	295	264	247	16	15	12	M14	365	327	306	18	17	14	M16
	250	300	1180	1640	360	460	625	440	365	327	306	18	17	14	M16	430	386	360	19	21	14	M20

RS/SS

PN (MPa)	DN (mm)		Structure dimension						Connection dimension of flange
			L		L1	L2	H	H1	Inlet DN1					bolt		Outlet DN2					bolt
	DN1	DN2	RS	SS					D1	D2	D3	b1	d1	n1	Th.	D3	D4	D5	b2	d2	n2	Th.
1.0	40	50	410	590	115	180	236	160	150	110	788	18	18	4	M16	165	125	102	20	18	4	M16
	50	65	445	640	125	195	258	165	165	125	102	20	18	4	M16	185	145	122	20	18	8	M16
	65	80	505	720	145	215	277	180	185	145	122	20	18	4	M16	200	160	133	22	18	8	M16
	80	100	540	770	155	230	304	202	200	160	133	22	18	8	M16	220	180	158	24	18	8	M16
	100	125	610	870	175	260	325	235	220	180	158	24	18	8	M16	250	210	184	26	18	8	M16
	125	150	695	990	200	295	366	275	250	210	184	26	18	8	M16	285	240	212	26	22	8	M20
	150	200	800	1150	225	350	410	295	285	240	212	26	22	8	M20	340	295	268	28	22	8	M20
0.6	200	250	940	1330	275	390	543	370	320	280	258	22	18	8	M16	375	335	312	24	18	12	M16
	250	300	1130	1610	325	480	623	325	375	335	312	24	18	12	M16	440	395	365	24	22	12	M20

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