GV Series:

Working Pressure: Stainless Steel up to 6000 psig (414 bar)

Working Temperature: PTFE Packing = : -65℉ to 450℉ (-54℃ to 232℃), Graphite Packing = -65℉ to 1200℉ (-54℃ to 649℃)

GR Series:

Working Pressure: Stainless Steel up to 6000 psig (414 bar)

Working Temperature: Acetal Seat = -20℉ to 250℉ (-28℃ to 121℃), PEEK Seat = -20℉ to 400℉ (-28℃ to 204℃)

GVH Series:

Working Pressure: Stainless Steel up to 10000 psig (690 bar)

Working Temperature: PTFE Packing = -65℉ to 450℉ (-54℃ to 232℃), Graphite Packing = -65℉ to 1200℉ ( -54℃ to 649℃)

Features

• Non-rotating lower stem, ball tip and plug tip designs
• Variety of materials for seat and packing
• Safety back seating seals in fully open position
• Rolled spindle operating threads
• Lubricant for stem thread isolated from the media
• Externally adjustable gland
• Bonnet locking pin fitted as standard
• Low torque operating T bar handle
• Option for different coloured handles
• Steady and durable fastening of the handle by double lock-pins
• Each GV/GR Series gauge valve leak tested with Nitrogen or compressed air at the maximum working pressure, each GVH Series gauge valve leak tested with a 1.1 times the maximum working pressure

Pressure vs Temperature

For manifolds of Acetal Seat, the maximum medium temperatures is 250℉ (121℃), not recommended for temperature higher than 200℉ (93℃) for water and steam application.

Types and Dimensions

Standard Type

Lagging Extension Body Type

Miniature Type

All the dimensions above are for GV Series Gauge Valves. If you need the dimensions of GVH, GR series or any other information on our Gauge Valves please contact our sales team: sales@nvfcl.com or call 01942601209.