Unidirectional Knife Gate Valve

Unidirectional Knife Gate Valve

Body: Carbon Steel, Ductile Iron, SS316

Knife: SS304, SS316

Disc: SS304, SS316L

Wedge: SS304, SS316, SS316L

Packing: PTFE

Seal Ring: Polyurethane, EPDM, NBR, VITON

Yoke: SS304, SS316

Packing Gland: CF8, WCB

Nominal Size: DN50 to DN450

Nominal Pressure: Class150 to Class30, PN10

End Type: Wafer Type, Lug Type

Operation: Handwheel, Electric Actuated, Pneumatic Actuated

Design and Manufacture Standard: MSS SP-81

Face to Face Dimension: MSS SP-81

Flanged End Dimension: DIN, JIS

Inspection and Test: API 598

Dimensions

PN10

DN	L	D	D1	D2	DO	N-Th	d	H1
50	48	165	125	99	180	4-M16	Φ18	260
65	48	185	145	118	200	4-M16	Φ18	292
80	51	200	160	132	240	8-M16	Φ18	320
100	51	220	180	156	260	8-M16	Φ18	358
125	57	250	210	184	280	8-M16	Φ18	395
150	57	285	240	211	280	8-M20	Φ23	450
175	57	305	265	237	280	12-M20	Φ23	504
200	70	340	295	266	300	8-M20	Φ23	532
250	70	395	350	319	320	12-M20	Φ23	670
300	76	445	400	370	350	12-M20	Φ23	758
350	76	505	460	429	400	16-M20	Φ23	857
400	89	565	515	480	450	16-M24	Φ27	946
450	89	615	565	530	500	20-M24	Φ27	1023