The Honeywell SP970A1005 Pneumatic Manual or Minimum Position Switch, includes Panel/Wall Mounting. Used to manually position a remote damper actuator or to reset the setpoint of a pneumatic controller. They can also provide minimum damper position by setting a minimum pressure limit in the branch line to the damper actuator. Replacement kits are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell switches.
Features
The SP970A1005 has two spans available as shipped. Six spans with breakaway stops on knob. Both Pilot bleed and isolated pilot models are available. May use wall or panel mounting.
Product Specifications
| Description |
Manual Pressure Regulator or Provides
minimum branch line pressure when used with a high capacity device (like a
RP920). |
| Switch Type |
Three-port pneumatic manual or minimum
position switch |
| Switch Operation |
Used to manually position a remote
damper actuator or reset setpoint of pneumatic controller |
| Airflow Usage |
0.022 scfm (9.8 mL/s) |
| Capacity (Cv) |
0.021 scfm (9.4 mL/s) below minimum
position. Above minimum position, device feeding pilot determines capacity |
| Air connections |
Barb fitting for 5/32 in. (4 mm) O.D.
plastic tubing |
| Maximum Safe Operating Pressure
(psi) |
30 psi |
| Maximum Safe Operating Pressure (kPa) |
207 kPa |
| Output Span (kPa) |
90 kPa (with 244 degree knob rotation) |
| Output Span (kPa) |
110 kPa (with 300 degree knob
rotation) |
| Output Span (kPa) |
69 kPa (with 188 degree knob rotation) |
| Output Span (psi) |
10 psi (with 188 degree knob rotation) |
| Output Span (psi) |
13 psi (with 244 degree knob rotation) |
| Output Span (psi) |
16 psi (with 300 degree knob rotation) |
| Mounting |
Panel or Wall |
| Operating Humidity Range (% RH) |
5 to 95% RH |
| Temperature Range (F) |
0 F to 140 F |
| Temperature Range (C) |
-18 C to +60 C |
| Dimensions (in.) |
1 1/2 in. diameter x 3 in. deep |
| Dimensions (mm) |
38 mm diameter x 76 mm deep |
| Includes |
Knob, 0 to 100% scale plate and
locknuts |
| Comments |
The setpoint knob normally rotates 188
degrees. Two breakaway stops on the knob allow rotation of 244 degrees and 300
degrees. |