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| Gate Valves______________________________________________________ |
| |
| Description |
Flexible Wedge / Solid Wedge / Split Wedge /
Double disc, Outside Screw & Yoke,
Bolted Design, Flanged end / Welded end.
Design Standards
API 600(ISO -10434) / API-603/ ASME B 16.34
Size Range
ANSI Class 150 : 2" to 48"
ANSI Class 300 : 2" to 48"
ANSI Class 600 : 2" to 48" |
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TRIM MATERIAL TO API 600 (ISO - 10434) |
Trim
No. |
Seat Ring
Surgace |
Wedge Seat
Surface |
Stem |
Backseat
Bushing |
Service Conditions |
1 |
13 Cr. |
13 Cr. |
A276T
410 |
A276T
410 |
Oil and Vapour Service
1000°C F (540°C) |
2 |
SS 304 |
SS 304 |
SS 304
A276T
304
|
SS 304
A276T
304
|
Corrosive Fluids 150°C
(66°C F) to 1100°F (600°C) |
5 |
Stellite |
Stellite |
A276T
410 |
A276T
410 |
For high temperature steam, oil, oil
vapour service, high pressure steam
and water upto 1100°F (593°C) |
8 |
Stellite |
13 Cr. |
A276T
410 |
A276T
410 |
For Steam and water upto
750°F (399°C) |
10 |
SS 316 |
SS 316 |
A276T
316 |
A276T
316 |
Corrosive Fluid and temperature
from 150°C (66°C) to 1500°F (800°C) |
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STANDARD MATERIAL SPECIFICATION |
|
Sr.
No. |
Part Name |
1 |
Body (Flanged) |
2 |
Bonnet (Bolted) |
3 |
Seat Ring (Seal Weld) |
4 |
Wedge (Flexible) |
5 |
Stem (Rising) |
6 |
Gasket |
7 |
Basckseat Bush |
8 |
Body-bonnet Joint Stud |
9 |
Body-bonnet Joint Nut |
10 |
Glad Packing |
11 |
Gland Flange |
12 |
Eye Bolt |
13 |
Eye Bolt Nut |
14 |
Cross Bolt |
15 |
Nut |
16 |
Gland |
17 |
Grease Nipple |
18 |
Grub Screw (Y.B. Locking) |
19 |
Yoke Bush |
20 |
Hand Wheel (Non Rising) |
21 |
Hand Wheel Nut |
22 |
Stem Nut |
23 |
Grub Screw (H.W.Locking) |
24 |
End Power |
25 |
Name Plate & Rivets |
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| MATERIAL OF CONSTRUCTION FOR VALVES (Shell) |
|
Cast Steel |
|
Alloy Steel |
|
Stainless Steel |
|
Duplex Stainless Steel |
|
| |
| Pressure / Temp. Rating |
ASME B16.34 |
| End Connection |
ASME B 16.5/ASME B 16.47 Series B (Series A Request) / ASME B 16.25 / BS 4504 |
| Face to Face |
ASME B 16.10 / BSEN 558 Part - 1 |
| Testing |
API598/BS 67855 (Part-1) / BS EN 12266(Part -1) / BS 6364/ API 607/ API 6 FA (Fire Safe) |
| Body /Bonnet Joint |
Bolted Type for 150# TO 600#. |
| Operation |
Hand Wheel, Chain Wheel, Gear, Electrical / Pneumatic Actuator etc. |
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