Product Description
Honeywell C437H 1001 Pressure Switch
PN: C437H 1001
Dimensions
- Length: 7-11/16"
- Height: 3-3/16"
- Width: 6-3/4"
- Dial Size: 6-1/16"
- NPT: 1/2"
- Image 5 NPT: 1/8"
Pressure or differential - pressure limit controls for Industrial gas systems. SPST mercury switch. Opens circuit on pressure fall. Auto recycle. 1-26 inches water.
FEATURES:
Use C437 for spst switching or C637 for spdt switching. Compensate for momentary surges in gas pressure with a restrictive orifice in inlet pressure channel on the models with pressure range of 1 to 26 in. wc (0.25 to 6.5 kPa). Resume operation by manually resetting when using lockout application models. Impede tampering and provide dust-resistant operation with enclosed setting. Increase strength of control diaphragm with Buna-N fiber-reinforced material. Clear glass cover allows observation of interior mechanism to aid in setting and checkout. Mercury switch provides visual indication of switch position.
APPROVALS:
Underwriters Laboratories Inc. Listed: File No. MP2168, Guide No. MFHX.
Canadian Standards Association Certified: File No. LR1620, Guide No. 380-W-1.16.
Factory Mutual Approved: Report Nos. 22018, 24127, J.I.IF4A3.AF.
Industrial Risk Insurers Acceptable.
TEMPERATURE RATINGS:
32 F to 125 F (0 C to 52 C).
PIPING CONNECTIONS:
1/2 in. NPT female for main or high pressure.
1/8 in. NPT female for vent or low pressure.