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 |