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CB MARINE VALVE

Marine Sight Glass CB/T422-1993 Type J/JS

Marine Sight Glass CB/T422-1993 Type J/JS:

1.Design standard:CB/T422-1993.

2.End standard:GB/T2501&GB/T569.

3.End type:Flange.

4.PN:0.25/0.4Mpa.

5.DN:

6.Main material:

7.Application:Sea water piping,fresh water piping and oil piping.

8.Fundamental dimensions of Marine Sight Glass CB/T422-1993 Type J/JS

Chart 1 Fundamental dimensions of type J:

PN	DN	Structure dimension		Thickness	Flange connection dimension					Bolt		Glass Thickness	Weight
Mpa	mm	H/mm	d1/mm	δ/mm	D/mm	D1/mm	D2/mm	d₀ /mm	b/mm	n	Th.	Glass Thickness	kg
0.4	40	160	40	8	125	93	74	15	16	6	M14	6	5.6
0.4	50	164	50	8	135	103	84		16			6	6.3
0.25	65	196	65	9	155	123	104		15			8	11.3
	80	220	80	9	170	138	118			8			13.1
	100	250	100	10	190	158	138			8			16.6

Chart 2 Fundamental dimensions of type JS:

PN	DN	Structure dimension		Thickness	Flange connection dimension					Bolt		Glass Thickness	Weight
Mpa	mm	H/mm	d1/mm	δ/mm	D/mm	D1/mm	D2/mm	d₀/mm	b/mm	n	Th.	Glass Thickness	kg
0.4	20	110	20	7	90	65	50	11	14	4	M10	6	0.95
	25	140	25		100	75	60	11	14		M10		1.43
	32	140	32		120	90	70	14	16		M12		4.64
	40	160	40	8	130	100	80						6.22
	50	164	50	8	140	110	90						6.95
0.25	65	196	65	9	160	130	110					8	12.11
	80	220	80	9	190	150	128	18	18		M16		14.14
	100	250	100	10	210	170	148		18				18.41
	125	280	125	10	240	200	178		20	8		10	25.30
	150	310	150	11	265	225	202		20			10	29.34
	175	338	175		295	255	232		22			12	30.20
	200	370	200		320	280	258		22			12	31.25