Sentinel II VPT
Explosion-Proof
Nema 4, 4X, 7 & 9
Division 1 All Groups
The SENTINEL VPT has been designed to provide the most visible and reliable valve position indication in explosion-proof environments. Moniteur’s Engineered Loc-Ring Cam and Shaft retention system allows a multi-million cycle life, even in harsh environments.Enclosure
• Die Cast Aluminum

Bearing
• Bronze
• 303 Stainless Steel

Shaft
• 303 Stainless Steel
• 316 Stainless Steel

Fasteners
• 316 and 18-8 Stainless Steel

Shaft Loc-Ring
• Stainless Steel

O-Rings
• Buna-N
• Viton

Indicator Cover
• Ektar Copolyester

Cams and Splines
• Acetal

Options
Conduit Entries
• 2x 3/4″ NPT
• 3x 3/4″ NPT
• 1x 3/4″ NPT and 1x 1/2″ NPT  Hub for Explosion-Proof Solenoid Valve

Shaft Types
• Standard NAMUR
• Low Profile NAMUR
• Standard Shaft 0.25″ Flats

Mechanical Switches
• Mechanical SPDT

Lead Legnth
• 36″ standard
• Longer legnths availiable

Analog Output
• 4-20mA Transmitter
• 1k ohm High Linearity Potentiometer
• 10k ohm High Linearity Potentiometer

Proximity Switches
• Tungsten TTL Hermetically Sealled Proximity Switches
• Rhodium TTL Hermetically Sealed Proximity Switches

DPDT Switches
• DPDT Mechanical Switches

Inductive Sensors
• Inductive Proximity
• NAMUR Intrinsically Safe Sensors