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W91/W94 Series Temperature Regulator
Brand: Watson McDaniel
The W91 & W94 Self-Operating Temperature Regulators require no external power source and are ideal for regulating the temperature of tanks, process streams and various types of industrial equipment. The Actuator is noted for its rugged die-cast aluminum housing, fully-enclosed bellows assembly and internal over-temperature range protection.
Model W91: Non-Indicating (without indicating dial) features a lower profile and should be specified where space constraints may be an issue.
Model W94: Temperature Indicating (with indicating dial) will allow the operator to verify the process temperature and to aid in temperature adjustment.
Features- Self-Operating (no external power source required)
- Temperature Indicating & Non-Indicating models available
- Heavy Duty Die-Cast Aluminum Housing
- 1/2" thru 4" Valve Sizes
- Fully Enclosed Bellows
- Temperature Over-range protection spring to protect thermal system
Specifications
Brand
Electrical Contacts
- Heating: Normally Open
Enclosure, Body Material
- 1/2” to 1-1/2”, 2” (Reverse-Acting): Bronze
- 1/2” to 1-1/2”: Stainless Steel
- 2” (Direct-Acting), 2-1/2” to 4”: Bronze
- Die Cast Aluminum
Flange Size - 2-1/2” (DN 65)
- 2-1/2” (DN 65) - 125#
- 2-1/2” (DN 65) - 250#
Flange Size - 2” (DN 50)
- 2” (DN 50) - 125#
- 2” (DN 50) - 250#
Flange Size - 3” (DN 80)
- 3” (DN 80) - 125#
- 3” (DN 80) - 250#
Flange Size - 4” (DN 100)
- 4” (DN 100) - 125#
- 4” (DN 100) - 250#
NPT Connection
- 1” NPT
- 1/2” NPT
- 1-1/2” NPT
- 1-1/4” NPT
- 2” NPT
- 3/4” NPT
Pipe Connection
- 1” Pipe
- 1/2” Pipe
- 1-1/2” Pipe
- 1-1/4” Pipe
- 3/4” Pipe