JIS 5K Cast Iron Gate Valve

JIS 5K cast iron gate valve adopts FC20 cast iron main body matched with bronze disc and seat, ensuring wear resistance and tight sealing during frequent switching. Its straight-through channel design greatly reduces fluid pressure loss when the valve is fully opened.

Overview

Application:It is widely used for full opening and full closing cut-off on low-pressure fresh water, ballast water and sewage pipelines of various ships. Suitable for municipal and general industrial piping systems that do not require flow regulation, only simple on-off control.

Material Specification:

Part Name	Material	Code
1-Body	Cast Iron	FC20
2-Seat	Bronze	BC6
3-Disc	Bronze	BC6
4-Stem	Brass	C3771BD

Technical Specification:

Nominal Diameter	Test Pressure MPa [kgf/cm]
Nominal Diameter	Body	Seat
400 or less	1.03 [10.5]	0.76 [7.7]
450 to 500	0.74 [7.5]	0.54 [5.5]

Drawing:

JIS 5K Cast Iron Gate valveDRAWING.jpg

Dimensions:

Size	L	D	C	No.	h	t	H	D₂	Kg
50	180	130	105	4	15	16	285	125	13.5
65	190	155	130	4	15	18	330	140	19
80	200	180	145	4	19	18	380	160	24.2
100	230	200	165	8	19	20	430	180	35.3
125	250	235	200	8	19	20	495	200	48.1
150	270	265	230	8	19	22	560	224	65.3
200	290	320	280	8	23	24	680	280	103
250	330	385	345	12	23	26	800	355	164
300	370	430	390	12	23	28	920	400	236
350	410	480	435	12	25	30	1000	450	307
400	470	540	495	16	25	30	1100	500	405
450	500	605	555	16	25	30	1400	560	581
500	550	655	605	20	25	32	1500	560	725