Gate Valves



Gate Valves

Gate Valves are used where a minimum of pressure drop through (The valve is important. They are employed where valves are normally to be Wide open or completely closed. They are designed to permit either a straight, full & free flow of the fluid or no flow at all.

SERVLCE RECOMMENDATIONS
• Fully open/Fully Closed Non Throttling
• Minimum resistance to Line Flow
• Infrequent Operation

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CAST STEEL GATE VALVE UOTSIDE SCREW & YOKE TYPE, BOILED BONNET RISING STEM

RISING STEM-OUTSIDE SCREWN& YOKE
The construction keeps stem threads outside the valve & is recommended where high temperature, corrosive, & solids in the line might damage stem threads inside the valve. When the handwheel is turned, the stem rises as the yoke bushing engages the stem threads enable the easy lubrication. Care must be taken, however, to protect exposed stem threads from damages

BOLTED BONNETS.
Valves with bolted bonnets may be easily dismantled with conventional wrenches. Body & Bonnet flanges are usually furnished with flat faces or male & female joints.

FLEXIBLE DISC
Flexible disc are wedge seated with disc faces joined at The center by a hub. This Design enables disc faces to compensate for variable temperatures & pressures & allows valve to operate at lower torques. This disc is offered in steel gate valves only.

CAST STEEL GATE VALVES

PART TIME MATERIAL SPECIFICATION
Body ASTM A 216 GR. WCB ASTM 351 GR CF8/CF8M
Body ASTM A 216 GR. WCB ASTM 351 GR CF8/CF8M
Body ASTM A 216 GR. WCB ASTM 351 GR CF8/CF8M
Body ASTM A 216 GR. WCB ASTM 351 GR CF8/CF8M
Body ASTM A 216 GR. WCB ASTM 351 GR CF8/CF8M
ALTERNATE MATERIAL OF CONSTRUCTION :-

WC6, WC9, LCB, LC6 CF3, CF3M, CN7M, CG3M, HESTALLOY C & B, MONEL, TITANIUM

CLASS 150

SIZE 25 40 50 65 80 100 150 200 250 300
A 127 165 178 190 203 229 267 292 330 356
B 250 260 321 336 421 493 660 804 990 1167
OW 125 180 200 200 225 250 350 450 500 500

All the dimensions are in M.M. Dimensions of Higher sizes & Class will be furnished on request.

CLASS 300

SIZE 25 40 50 65 80 100 150 200 250 300
A 165 330 356
B 330 804 990 1167
OW 125 180 200 200 225 250 350 450 500 500

All the dimensions are in M.M. Dimensions of Higher sizes & Class will be furnished on request.

SPECIFICATIONS


Design Standard : API 600 / BS 1414 / ASME B 16.34
Face to Face : ASME B 16.10
Flanged Ends :   ASME B 16.5 R/F
Buttweld Ends : ASME B 16.5
Testing : API 598

MANUFACTURING RANGE
SIZE PRESSURE RATING
25 MM TO 400 MM 150 # TO 1500 #
INSPECTION & TESTING
CLASS SHELL SEAT
HYDROSTATIC HYDROSTATIC AIR
150 # 30 Kg/Cm2 22 Kg/Cm2 7 Kg/Cm2
300 # 77 kg/Cm2 55 kg/Cm2 7 Kg/Cm2


Available on Request

• Stellite facing
• Jacketed Construction
• Sluice Gate Valve
• Valve Under “X-Ray” Quality
• Gear operated
• Motor Operated Valve

"SCENT MAKE" valves are used in Chemical Petro–Chemicals, Power Plants, Nuclear Plants, Pharmaceuticals Industries & many more.