Class 150 Knife Gate Valve

Class 150
size: NPs 2"~ 64", 50 ~ 1,600mm
Design standards: ANsI B16.34, Mss sP-81
Inspection and test standards: API 598
Face-to-face: Mss sP-81
Ends Connection: ANsI B16.5, JB 79
Material: WCB, CF8, CF8M, CF3, CF3M

CLAss 150 Knife Gate Valve

Test Pressure to API 598

Class	shell Test (Hydrostatic)	seat Test (Hydrostatic)
150	450psi	315psi

standard Material specifications

Body/bonnet	Disc	stem	seat
ss/Cs/CI	ss	ss	Carbide Alloy

Main Connection Dimensions

Class	NPs	L	D	D1	D2	H	N-M	D0
150Lb	2"	48	152	120.5	92	398	4-M16	180
	2 1/2"	48	178	139.5	105	415	4-M16	180
	3"	51	190	152.5	127	445	4-M16	220
	4"	51	229	190.5	157	497	8-M16	220
	5"	57	254	216	186	575	8-M20	230
	6"	57	279	241.5	216	635	8-M20	280
	8"	70	343	298.5	270	775	8-M20	360
	10"	70	406	362	324	940	12-M22	360
	12"	76	483	432	381	1030	12-M22	400
	14"	76	533	476	413	1186	16-M27	400
	16"	89	597	540	470	1365	16-M27	400
	18"	89	635	578	533	1620	20-M30	530
	20"	114	699	635	584	1720	20-M30	530
	24"	114	813	749.5	692	1860	20-M33	600
	30"	117	985	914	857	2250	28-M33	600
	36"	117	1170	1086	1022	2800	32-M39	800