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Nova® Gate Valve

CONFORMITY TO CODES & STANDARDS 
  1. General Design :- API 600
  2. Testing :- API 598
  3. Type :- BOLTED BONNET, OS & Y, FLEXIBLE WEDGE.
  4. Rating :- CLASS 150,300,600
  5. Face to Face :- ASME B 16.10
  6. Pressure & Temperature Rating :- ASME B 16.34 (STANDARD CLASS)
  7. Flange Standard Conformity :- ASME B 16.5

 

DIMENSION TABLE 150#
SIZE A B C(MAX.) D
MM INCH
50 2" 178 52 370 200
80 3" 203 76 445 250
100 4" 229 102 540 250
150 6" 267 152 750 355
200 8" 292 203 950 455
250 10" 330 254 1120 455
300 12" 356 305 1315 510
DIMENSION TABLE 300#
SIZE A B C(MAX.) D
MM INCH
50 2" 216 52 390 200
80 3" 282 76 465 250
100 4" 305 102 550 250
150 6" 403 152 770 355
200 8" 419 203 960 455
250 10" 457 254 1160 510
300 12" 502 305 1340 510

 

DIMENSION TABLE 600#
SIZE A B C(MAX.) D
MM INCH
50 2" 290 52 395 200
80 3" 357 76 482 250
100 4" 433 102 590 355
150 6" 559 152 825 510
200 8" 660 203 1015 510
250 10" 787 254 1202 510
300 12" 838 298 1365 610
TESTING
PRESSURE RATING HYDROSTATIC SHELL TEST HYDROSTATIC SEAT TEST
Kg/CM2 Kg/CM2
150# 31.5 22
300# 79 58
600# 157.5 114

 

MATERIALS
SR.NO. PARTS NAME MATERIALS
101 BODY A216-WCB A351-CF8 A351-CF8M
102 SEAT RING A105+13%Cr A351-CF8 A351-CF8M
103 BONNET A216-WCB A351-CF8 A351-CF8M
104 WEDGE A217-CA15 A351-CF8 A351-CF8M
105 STEM A276-410 A351-CF8 A276-316
106 SEAT NUT ASTM A439-D2
107 BACK SEAT NUT A276-410 A276-304 A276-316
108 BONNET BUSH C15
109 GLAND FLANGE WCB SS 304 SS 316
110 GLAND BUSH A276-410 A276-304 A276-316
111 STEM PACKING GRAPHITE RINGS (BRAIDED&MOULDED)
112 GASKET SS+GRAPHITE FILLED
113 EYE BOLT EITH NUT A307-Gr.B F304 F304
114 EYE BOLT PIN A276-410 A276-410 A276-410
115 FULL THREAD STUD WITH 2HEAVY NUTS A193-B7/A194-2H A193-BB/A194-B A193-BBM/A194-8M
116 HAND WHEET DI / CS
117 HAND WHEET LOCK NUT C15

 

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