FREE-VALVE Brand forged carbon steel A105N Class 800 gate valve is compact, sturdy and ideal for high pressure and high temperature applications and consist of a disc and stem connection designed for regulated flow or on/off. Stem seal consists of flexible graphite packing with anti extrusion rings for optimum stem sealing. These valves are outside screw and yoke type (OS & Y) with rising stem and rising hand wheel. These valves shall be bolted bonnet or welded bonnet type with full or standard bore options.
- Efficient packing seal at backseat to ensure no leakage from stem.
- Outside Screw & Yoke construction facilitate stuffing box maintenance.
- Metallic ring gasket or spiral wound gasket can be applied to ensure the tight seal of body/bonnet joint.
- Fully guided disc ensures accurate alignment of disc and seat and reduces wear on seating surfaces.
5.Hard alloy sealing material keep the valve longer working life
1 |
Size Range |
NPS1/4~NPS2,DN10~DN50 |
2 |
Nominal pressure |
Class 800 |
3 |
Applicable Temperature |
0~425ºC |
4 |
Connection Type |
SW |
5 |
Disc |
Carbon steel+Hard Alloy |
6 |
Seat |
Hard Alloy |
7 |
Pressure test |
API598 |
8 |
Face to Face |
ASME B16.10 |
9 |
Flange standard |
ASME B16.5 |
10 |
Operating Type |
Hand Wheel |
FREE-VALVE Brand forged carbon steel A105N Class 800 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.