SP120 Series

Super Purity Pressure Switch

1-500 PSI range

This series is a rugged and reliable miniature pressure switch featuring an all welded high purity sensor system.

Features:

• Stainless Steel (wetted) Sensor
• All Welded Construction
• Leak Tested and Certified to 1x10^-9 cc per sec. Helium
• Finely Finished (wetted) Surfaces to Reduce Particulates
• 4 High Purity Pressure Ports Available
• Miniature Size with Excellent Accurace and Repeatability

Specifications:

NON-WETTED MATERIALS

• Body-316 series stainless steel.
• Lock ring-steel, zinc chromate finish.
• Electric switch housing-steel, zinc chromate finish.
• Plastic parts-nylon or PVC.

WETTED MATERIALS

• Capsule-17-7PH, proof - 125% of sensor capacity.
• Fitting-316 series stainless steel.

PRESSURE SWITCH ADJUSTMENT (if field adjustable)

This model may be adjusted by loosening the lock ring and turning the electric switch housing clockwise to lower pressure set point, counter clockwise to raise the pressure set point. Holding the electric switch housing in position, tighten the lock ring and check the pressure setting. Repeat above if necessary.

SETTING OPTIONS

Switches are normally supplied field adjustable, may be ordered factory set, or factory set and locked.

TEMPERATURE RANGE

-65° F to +225° F, a slight change up to 2% in the set point may occur below -10° F and above +125° F.

CYCLE RATE-SENSOR AND ELECTRICAL SWITCH

Not to exceed 22 CPM (cycles per minute).

WEIGHT

Approximately 3.5 ounces (with a standard 'W3' interface).

PRESSURE CONNECTION

9/16-18 UNF-VCR Style male standard.

SP120 SERIES PERFORMANCE TABLE

AVAILABLE FITTINGS

The fitting types below are "standard catalog" offerings. Some of the fittings below are available only for an additional cost. If you do not see your preferred fitting listed, please contact our Sales Department as we do offer custom fittings.

AVAILABLE ELECTRICAL INTERFACES

The electrical terminations below are "standard catalog" offerings. For our "W" and "L" styled interfaces we have an exhaustive listing of Pin/Connector terminators from such makers as AMP, Molex, Turk, Bendix, Cannon, Burndy and others available to make our product ready for your specific application.