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HWC437J-1016 Honeywell (C437J1016) Gas Pressure Limit Switch 1/2 to 5 PSI.

SKU: HWC437J-1016
RETAIL: 152.85
BASE PRICE: 138.95

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Product #: C437J-1016
Product Name: Honeywell Gas Pressure Limit Switch
Description: Pressure or differential - pressure limit controls for Industrial gas systems. Opens circuit on pressure rise. Manual reset. DPST mercury switch. 2 separate circuits; 1 Normally open, 1 normally closed. 1/2 to 5 PSI.

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.

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.

32 F to 125 F (0 C to 52 C).

1/2 in. NPT female for main or high pressure.
1/8 in. NPT female for vent or low pressure.

106729 Cover Glass, 6 in. (152.5 mm) diameter.
106747 Cover Retaining Ring for C437 and C637 models manufactured before 1973.
118733-00021 Retaining Clip for C437 and C637 models manufactured since 1975.
139870A Cover Glass for rainproof enclosures.

122160 Orifice - 0.018 in. (0.46 mm) diameter.
124674 Orifice - 0.011 in. (0.28 mm) diameter.
4074BWK Mounting Brackets, for surface mounting.

Differential at midscale. Subtractive for C437D, J.G. Additive for C437E, F, H, K and C637B.
Dual spst switch (one normally open and one normally closed) with 4 leads serves function of spdt switch.
Two separate circuits. One circuit breaks and the other makes on a pressure rise or fall.
Lockout on rise.
Pricing Information:
Unit Price: $138.95
Package Type: Each
Units Per Package: 1
Product Details:
-: Pressure or differential - pressure limit controls for Industrial gas systems.
Pressure Range: 1/2 to 5 psi
Differential: 1/2 psi
Pressure Surge, Maximum: 15.0 psi, 103.4 kPa
Switch Mercury: 2 Spst
Switch Action (Break): Fall and Rise
Reset, Manual (Lockout On Switch Break): Yes
Minimum Order Quantity: 1
Trade Name: Honeywell
Trade Name Type: Registered Trademark
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