MTB-SRY Series Chainwheel Op. Knife Gate Valve

1. Typical MTB-SRY Series Chainwheel Op. Knife Gate Valves

G.A drawing of MTB-SRY series chainwheel op. knife gate valve.

Part No.	Part Name	Ductile Iron	Carbon Steel	Stainless Steel
1	Body	GGG40	WCB	CF3M
2	Disc	201/304	201/304	316L
3-4	Standard Parts	201	201	304
5	Packing	EPDM+PTFE	EPDM+PTFE	EPDM+PTFE
6	Cover	WCB	WCB	CF8
7-9	Standard Parts	201	201	304
10	Pin	201	201	304
11	Stem	2Cr13	2Cr13	304
12	Standard Parts	201	201	304
13	Yoke	Q235(Spray)	A3(Spray)	A3(Spray)
14	Yoke Head	HT200	HT200	HT200
15	Stem Nut	Die Cast Brass	Die Cast Brass	Die Cast Brass
16	Bearing	ZChSnSb10-6	ZChSnSb10-6	ZChSnSb10-6
17	Chain Wheel Device	HT200	HT200	HT200
18	Wedge Blocks	GGG40	WCB	CF3M
19	Seat	EPDM	EPDM(Changeable)	EPDM(Changeable)
20	Metal Gland	Q235	Q235(Changeable)	304(Changeable)
21	Chucks	WCB	WCB	WCB

The outline drawing of MTB-SRY series chainwheel op. knife gate valve

DN(mm)	L	D	D1	D2	D0	N-Th	d	H
50	48	165	125	99	Ø260	4-M16	Ø18	320
65	48	185	145	118	Ø260	4-M16	Ø18	340
80	51	200	160	132	Ø260	8-M16	Ø18	370
100	51	220	180	156	Ø260	8-M16	Ø18	410
125	57	250	210	184	Ø260	8-M16	Ø18	460
150	57	285	240	212	Ø260	8-M20	Ø23	510
200	70	340	295	266	Ø260	8-M20	Ø23	590
250	70	395	350	319	Ø260	12-M20	Ø23	700
300	76	445	400	370	Ø260	12-M20	Ø23	803
350	76	505	460	430	Ø260	16-M20	Ø23	899
400	89	565	515	480	Ø260	16-M24	Ø27	1020
450	89	615	565	530	Ø260	20-M24	Ø27	1130

1. Dimensions for BS DIN EN standards.
2. All dimensions are in mm unit.

DN(mm)	L	D	D1	D2	D0	N-Th	d	H1
50	48	165	125	99	Ø260	4-M16	Ø18	320
65	48	185	145	118	Ø260	4-M16	Ø18	340
80	51	200	160	132	Ø260	8-M16	Ø18	370
100	51	220	180	156	Ø260	8-M16	Ø18	410
125	57	250	210	184	Ø260	8-M16	Ø18	460
150	57	285	240	211	Ø260	8-M20	Ø23	510
200	70	340	295	266	Ø260	12-M20	Ø23	590
250	70	405	355	319	Ø260	12-M24	Ø27	700
300	76	460	410	370	Ø260	12-M24	Ø27	803
350	76	520	470	429	Ø260	16-M24	Ø27	899
400	89	580	525	480	Ø260	16-M27	Ø30	1020
450	89	640	585	548	Ø260	20-M27	Ø30	1130

1. Dimensions for BS DIN EN standards.
2. All dimensions are in mm unit.

DN(mm)	L	D	D1	D2	D0	N-Th	d	H1
50	48	152	120	92	Ø260	4-M5/8-11	Ø19	320
65	48	178	139.5	105	Ø260	4-M5/8-11	Ø19	350
80	51	190.5	152.5	127	Ø260	4-M5/8-11	Ø19	370
100	51	220.5	190.5	157	Ø260	8-M5/8-11	Ø19	410
125	57	254	216	186	Ø260	8-M3/4-10	Ø22	460
150	57	279	241.5	216	Ø260	8-M3/4-10	Ø22	510
200	70	343	298.5	270	Ø260	8-M3/4-10	Ø22	580
250	70	406	362	324	Ø260	12-M7/8-9	Ø25	700
300	76	483	432	381	Ø260	12-M7/8-9	Ø25	800
350	76	533	476	413	Ø260	12-M1-8	Ø29	890
400	89	597	539.5	470	Ø260	16-M1-8	Ø29	1000
450	89	635	578	533	Ø260	16-M11/8-7	Ø32	1160

1. Dimensions for ANSI standards.
2. All dimensions are in mm unit.

DN(mm)	L	D	D1	D2	D0	N-Th	d	H1
50	48	155	120	100	Ø260	4-M16	Ø18	320
65	48	175	140	120	Ø260	4-M16	Ø18	350
80	51	185	150	130	Ø260	8-M16	Ø18	370
100	51	210	175	155	Ø260	8-M16	Ø18	410
125	57	250	210	185	Ø260	8-M20	Ø23	460
150	57	280	240	215	Ø260	8-M20	Ø23	510
200	70	330	290	265	Ø260	12-M20	Ø23	580
250	70	400	355	325	Ø260	12-M22	Ø25	700
300	76	445	400	370	Ø260	16-M22	Ø25	800
350	76	490	445	415	Ø260	16-M22	Ø25	890
400	89	560	510	475	Ø260	16-M24	Ø27	1000
450	89	620	565	530	Ø260	20-M24	Ø27	1600