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  • Features
  • Drawing
  • Technical Data
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 Standards
1. Design and Manufacturing as per BS 1873
             
2. Face to Face & End to End Dimensions Standaard as
per ASME B16.10
3. Flange Dimensions Standard as per ASME B 16.5
4. Inspection & Testing Standard as per ISO 5208
{Replace of BS 6755 (Part - I)}
5. For low temperature and cryogenic services (cold box and non-cold box applications) Extended bonnet as per BS 6364
 
Features
Design : Bolted Bonnet, Union Bonnet
Pressure Rating Class : 150#,300#,600#,800#,900#
Operation : Manul Leaver, Manul Gear Box, Electrical & Pneumatic Actuator.
Ends : Flanged Screwed, Socket Weld, Butt Weld, Flanged Butt Weld
Size Range : 15mm to 300mm
 
 
 
 
 



No Part Name Material QTY
1 Body ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 1
    A217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3  
    A 351 CF3M / A 352 LCB  
2 Bonnet ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 1
    A217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3  
    A 351 CF3M / A 352 LCB  
3 Wedge ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 1
    A217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3  
    A 351 CF3M / A 352 LCB  
4 Stem SS 304 / SS 316 / SS 410 / SS 304L / SS 316L  
5 Seat Ring ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 2
    A217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3  
    A 351 CF3M / A 352 LCB  
6 Back Seat SS 304 / SS 316 / SS 410 / SS 304L / SS 316L 1
7 Gland SS 304 / SS 316 / SS 410 / SS 304L / SS 316L  
    Carbon Steel / Stainless Steel 1
8 Gland Flange S. G. Iron  
9 Yoke Sleeve S. G. Iron 1
10 Yoke Nut Graphite Asbestos / Graphoil / PTFE  
11 Gland Packing Asbestos Filler SS 304 Spiral Wound / Corrugated Soft Iron / 5 min.
12 Bonnet Gasket Corrugated SS / Spiral Wound SS 304 with Asbestos or Graphoil /
Octgonal Ring		 1
 13 Bonnet Studs ASTM A 193 Gr. B7 / Carbon Steel / Stainless Steel REQ.
14 Bonnet Nuts ASTM A 194 Gr. 2H / Carbon Steel / Stainless Steel REQ.
15 Gland Eye
Bolt & Nut		 Carbon Steel / Stainless Steel 2 + 2
16 Gland Lug
Bolt & Nut		 Carbon Steel / Stainless Steel 2 + 2
17 Grease Nipple Carbon Steel / Stainless Steel 1
18 Key Carbon Steel 1
19 Hand Wheel CI / DI / MI / Carbon Steel 1
20 Hand Wheel Nut Carbon Steel 1
       
 



Test Pressure
Testing Body Seat Back seat
Hydraulic 30 kg/cm2(425 PSIG) 21 Kg/cm2 (300 PSIG) 21 Kg/cm2 (300 PSIG)
Pneumatic ------ 7 Kg/cm2 (80 PSIG) -----
 
Size 15 20 25 32 40 50 65 80 100 125 150 200 250 300
Port Min 13 19 25 32 38 51 64 76 102 127 152 203 254 305
L Face
to Face RF		 107.9 117.3 127 139.7 165.1 203.2 215.9 241.3 292.1 355.6 406.4 495.3 622.3 698.5
L End
to End BW		 107.9 117.3 127 139.7 165.1 203.2 215.9 241.3 292.1 355.6 406.4 495.3 622.3 698.5

0D

 88.9 98.55 107.9 117.34 127 152.4 177.8 190.5 228.6 254 279.4 342.9 406.4 482.6
b 9.65 10.41 11.17 12.7 14.22 15.75 17.53 19.05 23.88 23.88 25.4 28.45 30.23 31.75
0q 35.05 42.95 50.8 63.5 73 91.85 104.65 127 157.23 185.67 216 269.75 323.85 381
f 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6
0J 15.75 15.75 15.75 15.75 15.75 19.05 19.05 19.05 19.05 22.35 22.35 22.35 25.4 25.4
N 4 4 4 4 4 4 4 4 8 8 8 8 12 12
K:PCD 60.45 69.85 79.25 88.9 98.55 120.65 139.7 152.4 190.5 215.9 241.3 298.45 361.95 431.8