VC-210 Series - Stainless Steel Body, bellows sealed
Robertshaw Numerical Index
The VC-230A direct-acting model and the VC-231A reverse-acting model are spring opposed diaphragm actuators. They are designed to provide dependable On-Off or throttling operation of control valves. They may be actuated by pneumatic signals from any suitable temperature or pressure controller.
Model VC-210 Mini-Max Control Valves are built with stainless steel investment
castings and especially designed for the control of water, steam, gas,
vacuum etc. Valves are single seated, bellows sealed to prevent stem
leakage, and may be selected to have the valve action, seating materials and
flow characteristics needed for most control applications.
The pneumatic actuator consists of a molded 10 sq. in. Buna-N 2-ply Dacron
reinforced diaphragm enclosed in a die-cast aluminum housing and frame. The
readily accessible spring adjusting nut provides easy field adjustment of
the starting point within the selected spring range. Synthane gaskets
located between the valve bonnet and the actuator frame reduce heat transfer
to the diaphragm.
Optional P2 Positioner
P2 Specifications P2 Manual
The Model P2 Pilot Positioner corrects for stem friction or valve loading by sensing the true stem position through the feedback lever and adjusting its independent air supply to achieve the true valve position represented by a 3 to 15 psig (0.2 to 1.0 bar).
Optional 4-20 ma Converter
ITOP Specifications
Converts 4-20 ma to 3-15 PSI. Assembled IP converter with gauges and filter regulator mounted on a wall or pipe mount plate. Choice for SS or brass fittings. Gauges and F/R may vary. The IP is available for general purpose or hazardous areas.
VC-210-BR
2-way direct acting
- Action: Air to Close
- Valve Type: Direct
- Flow Char.: Equal Pecentage
- Body: SS
- Trim SS
- Seat: TFE O-Ring
- 1/2" Cv=2.0 DA is Available with 1/4" Reduced Port.
- 3/4" Cv=7.5
- 1" Cv=8.5
VC-210-BRR
2-way reverse acting
- Action: Air to Open
- Valve Type: Reverse
- Flow Char.: Equal Pecentage
- Body: SS
- Trim SS
- Seat: TFE O-Ring
- 1/2" Cv=2.3
- 3/4" Cv=7.3
- 1" Cv=9.5
VC-210-BNS
3-way valve
- Action: Air to Close
- Valve Type: Direct
- Flow Char.: Linear
- Body: SS
- Trim SS
- Seat: TFE O-Ring
- 1/2" Cv=2.2
- 3/4" Cv=4.6
- 1" Cv=9.0
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