Flow-Tek can offer a series of Gate Valve are heavy duty Outside Screwed & Yoke
Type bolted bonnet, rising stem with non rising hand wheel. Straight through bore design
assures minimum turbulence, erosion and resistance to flow. The most advance design
futures provides the ultimate in dependable, economic flow control they are available in
wide range of sizes and weights. These are widely suited for high pressure and
temperature and variety of fluids.
All the valves are manufacturing as per international Design and standards to get the
Total Interchangeable, Finest Quality and Workmanship.
Valve Operation
| Operator |
Size Range |
| Hand wheel |
2" - 10" - Class 150, 300, 600 |
| 2" - 4" - Class 900 & 1500 |
| Gear Operator |
12" & Above - Class 150, 300, 600 |
| 6" & Above - Class 900,1500 |
Material
| STRUCTURE |
End Connection |
Flanged End Raised Face, Butt Weld End, RTJ,. ETC |
| MATERIAL |
Operation |
Hand wheel, Gear Operator, Electrical Actuator, Pneumatic, Hydraulic
|
| Shell |
WCB, WC1, WC6, WC9, LCB, LCC, LC3, C5, C12, CF8, CF8M, CF3, CF3M, CF8C,
CN7M, CD4MCu,Hastelloy, Inconel, Duplex Stainless Steel |
| Trim |
13% Cr Steel, 304 , 304L, 316, 316L, 321, 347, F51, Monel |
Features
Flow-Tek offer Gate Valve with Pneumatic / Electrically (Motorized) / Gear
Operation with Limit Switches and suit specific requirements.
Extended Bonnets with sufficient gas column length, usually specified by customer,
are supplied for all valves to keep stem packing at sufficient distance away from the
cold fluid to remain functional.
- Double flanged / butt weld end, outside crew rising stem, yoke type bonnet.
- Back seating bush arrangement to enable repacking under pressure.
- Rigid and sturdy design.
- Low pressure loss across the valve.
- Long service life and leak tightness.
| APPLICABLE STANDARDS: |
| STEEL GATE VALVES: API 600 / API 6D |
| STEEL GATE VALVES: BS 5155 |
| STEEL GATE VALVES: ANSI B 16.34 |
| FACE TO FACE: ANSI B 16.10 |
| END DRILLED: ANSI B 16.5 |
| BUTT WELD END: ANSI B 16.25 |
| INSPECTION AND TEST: API 598 / API 6D |
| IBR APPROVED |
| DESIGN DESCRIPTION |
| FULL PORT DESIGN |
| OS & Y OUTSIDE SCREWED AND YOKE |
| BB, BOLTED BONNET |
| FLEXIBLE WEDGE FULLY GUIDED |
| CHOICE OF SOLID |
| RENEWABLE SEAT RINGS |
| FORGED T-HEAD STEM |
| RISING STEM AND NON-RISING HANDWHEEL |
| FLANGED OR BUTT WELD ENDS |
| AVAILABLE WITH BG OPERATOR |
Applicable Standard
| Design Standard |
API 600/BS1414 |
| Testing Standard |
API 598/BS EN 12266-1 |
| Face To Face |
ASME B 16.10 |
| End Connection |
Flanged End - ASME B 16.5,Butt Weld End - ASME B 16.25 |
| Pressure - Temperature Chart |
ASME B 16.34 |
Testing Standard
Note :
Valves can be supplied with actuator, pad lock and other accessories like
limit switch, position indicator, and solenoid valve as per requirement.
Stem extension, underground service features are available.
Design standard up to 24" is API 600 and above 24" is BS 1414.
| TEST TYPE |
TEST PRESSURE |
| |
|
CLASS 150 |
CLASS 300 |
CLASS 600 |
CLASS 800 |
CLASS 1500 |
| HYDRO SHELL |
Kg/Cm2 |
30 |
76 |
150 |
210 |
396 |
| |
Psig |
425 |
1080 |
2130 |
2960 |
5625 |
| HYDRO SEAT |
Kg/Cm2 |
22 |
55 |
110 |
153 |
291 |
| |
Psig |
310 |
780 |
1560 |
2170 |
4125 |
| AIR TEST |
Kg/Cm2 |
|
6.0 |
|
4 TO 7 |
4 TO 6 |
| |
Psig |
|
80 |
|
60 TO 100 |
Applications
- Oil refineries.
- Water, steam, air, gas and liquids having corrosive properties.
- Suitable for wide range of working conditions of pressure and temperature
ratings.
