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Forged Steel Gate Valve

Flow-Tek High Pressure Gate Valve offer high performance, reliability and safety. The Gate Valve are especially suitable for high pressure and high temperature application in steam, oil and gas processing, power industries, in chemical and petrochemical industries.

  • Description

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.

Nomenclatur

SR. NO. PARTS NAME QTY.
1 BODY 01
2 BONNET 01
3 WEDGE 01
4 SEAT RING 02
5 SPINDLE 01
6 GLAND BUSH 01
7 BACK SHEET BUSH 01
8 GLAND FLANGE 01
9 GASKET 01
10 GLANDE PACKING  
11 BONNET NUT 01
12 HAND WHEEL 01
13 HAND WHEEL NUT 01
14 BOLTS & NUT AS PER STANDARD

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.

  • Outside screw and yoke type bolted bonnet construction.
  • Rigid and sturdy design.
  • Long service life with leak tightness.
  • Back seating surfaces provided integral to bonnet.
  • Ends - socket weld able / screwed.

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

  • Refineries and petrochemical Industries.
  • Fertilizer Plant.
  • Thermal Power Plant.
  • Other Process Industries.