Manual knife gate valve

Design and manufacture: JB/T8691-1998
structural length: GB/T15188.2-94
Flange connection: GB/T9113.1-2000  JB/T79-94
Testing and acceptance: GB/T13927-92

Key parts material

Valve body, upper cap	Carbon steel, stainless steel
Valve plate	stainless steel
Stem	stainless steel
Seal ring	Rubber, PTFE, stainless steel,hard alloy

Key performance indicators

Nominal pressure	PN
Casing test	1.5XPN
Leak test	1.1XPN
Operating temperature	Rubber 80℃, PTFE≤180℃, hard sealing ≤425℃
Working medium	Syrup, paper pulp, sewage, coal slurry, dust, slag-water mix

Profile and connection dimension                                                                               Unit:mm

Nominal pressure(MPa)	Nominal through diameter（mm）	L	D	D1	D2	H	N-M	D0
1.0	50	48	160	125	100	285	4-M16	180
	65	48	180	145	120	298	4-M16	180
	80	50	195	160	135	315	4-M16	220
	100	50	215	180	155	365	8-M16	220
	125	57	245	210	185	400	8-M16	230
	150	57	280	240	210	475	8-M20	280
	200	70	335	295	265	540	8-M20	360
	250	70	390	350	320	630	12-M20	360
	300	76	440	400	368	780	12-M20	400
	350	76	500	460	429	885	16-M20	400
	400	89	565	515	482	990	16-M22	400
	450	89	615	565	532	1100	20-M22	530
	500	114	670	620	585	1200	20-M22	530
	600	114	780	725	685	1450	20-M27	600
	700	130	895	940	800	1700	24-M27	600
	800	130	1010	950	905	2000	24-M30	680
	900	140	1110	1050	1005	2300	28-M30	680

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