Application:
VHT Engineering Minimum pressure valve maintain pressure required
for the lubrication of oil-injected rotary compressor

Operation
VHT Engineering Minimum pressure valve maintain pressure required for the lubrication of oil-injected rotary compressor

1. At start-up the valves stays closed up to a preset level and the opens to maintain a minimum pressure in the air –oil separator, This assure pressure for lubricating the compressor reduces oil foaming and the air –oil separator element.

2. At shut –down the check valve closed to prevent back flow through the compressor.

Characteristics

1. Flow passage designed for low pressure drop
2. Construction of the body – aluminium alloys – hardened condition
3. TEF seats for tight seal
4. Viton Quard Ring
5. Inlet and outlet side ports for pressure taps.
6. Pressure setting & locking facility – variable range
7. Addition port at inlet side for sump pressure – female type
8. Outlet temperature reading port

Technical Spcification:

Working pressure	up to 350 PSI
Working Temperature	Up to 150 deg C
Flow	up to 1500 cfm
Material	Aluminium, Casting and stainsteel
Suction volume of compressor	from 0.03 to 0.2 bar
Opening pressure	Apprx 5 bar
Closing pressure	0.5 to 1 bar
Sizes	1 to 3 and Flange model

Application: Safety valve is to protect the primary loop of pressurized water reactor against over - pressure. At a given set pressure the pressure relief valve, safety valves open and releases medium from pressurizer to the flash tank.

Operation The pressure relief valve, safety valve control the pressure in a system, which can build up by a process upset, instrument or equipment failure or fire. The pressure is relieved by allowing the pressurized fluid to flow from an auziliary passage out of the system.

Technical specification of{ ¾” Safety valve}

Type	Spring Loaded
Seat Type	Soft Rubber
Type	Full Lift Enclosed spring Loaded
Accumalation	40%
Blowdown	10%

Technical specification of {1 ½ Safety valve}

Type	Full Lift Enclosed Spring Loaded
Size	1 ½
Seat Type	40%
Blowdown	10%
Process Connection	1 ½ NPT

Application:
VHT pressure control regulator, air regulator are govern capacity control devices of compressors, speed control devices of engines, blow down valves and bypass valves

Operation
The positive control regulators, compressor pressure regulator are modulate the intake valve and other system valves to control screw compressor output, installed to sense compressor output pressure.

This regulator control signal as compressor pressure increase
Design Features

1. Brass Forges Construction ( Two Piece Construction)
2. Stainless steel valve seat ( lapped Metal seated)
3. Diaphram Phospher Bronze
4. Permissible Leakages – Zero Bubbles
5. Teflon Gasket

Technical Spcification:
1. Operating pressure : 200 PSI
2. Operating Temp : 200 Deg Celsious
3. Factory set gain and adjustable set point
4. Electrical & Diesel drive Pressure Regulator