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CLARK RELIANCE GAGE VALVES


THREE STYLES * MAXIMUM PRESSURE 150 PSI TO 1500 PSI

Brass Body, Hand Operated Gage Valves for Max. Press. to 150 PSI At Floor Level Locations

The Clark Reliance hand wheel gage valve is designed specifically for floor level columns in low pressure systems. Time tested design and manufacturing assure dependable performance. Available in 1/2" npt and 3/4" npt models. 
Bronze Body, Chain & Weighted Operated Gage Valves for Max. Press. to 250 PSI
The Clark Reliance weighted gage valve is a high performance self-closing unit that provides leak proof operation at moderate pressures.
 
250 PSI Model Specifications:
  • Available in 1/2" npt and 3/4" npt Models
  • Pull chain to open, Release chain to close.
  • Precise weight distribution for tight shut-off.
  • Twelve-Position weight level allows for best location.
  • Weight lug allows for use of optional shut off chain.
  • Accepts maximum "open" chain length of 25 feet (unless open chain is also attached to closed weight lug).
  • Discharge nozzle directs steam/water away from operator.
Bronze Body, Chain Operated Gage Valves: Pressures to 450 PSI
Clark-Reliance Gage Valve Models GC450 and GC451 feature a stainless steel stem and seat component to assure positive seating and long service life.  Integral stem discs are precision machined to glass smooth finishes.
 
450 PSI Model Specifications:
  • Available in ½" NPT and ¾" NPT Models
  • Pull left hand chain to open, right hand chain to close.
  • Multiple-thread stem design provides fast response.
  • Integral "stop" prevents dead-center vertical lever position.
  • Discharge nozzle directs steam/water away from operator.
  • Eighteen positive, non-slip lever positions offer a correct lever angle regardless of the stem's position when turned tight.   Geared sprockets fit onto flat-sided stem ends.  Lever gears nest securely into sprocket gears.  Stem nut secures the lever.
Stainless Steel, Chain Operated Gage Valves: Pressure to 1500 PSI
Under the most severe boiler system conditions, Clark-Reliance Gage valve Model GC302 dependably resists the damaging cutting action of steam and water.  Reliability and long service life are the results of quality materials, precision manufacturing and 150% hydrostatic testing of each unit.
1500 PSI Model Specifications:
  • Available in ¾"NPT Model Only. 
  • Pull left hand chain to open, right hand to close.
  • Integral "stop" prevents dead-center vertical lever position.
  • Stainless steel seat is precision machined in an exclusive Clark Reliance process.
  • Seat is sealed tight in the shank with 1/8" pipe thread - easily renewable.
  • Multiple thread stem opens/closes in ¼" turn and can not unscrew under pressure.
  • Discharge nozzle directs steam/water away from operator.
  • The multi-slotted operating lever allows a wide choice of open/closed positions.  Each lever position is held in a non-slip design of nesting sprocket and lever gears, secured by a stem nut.
  • Hand Wheel Operated Models for pressures to 150psi at floor level locations.
CLARK RELIANCE GAGE VALVES * MODEL SELECTION GUIDE
MODEL SIZE NPT OPERATION MAX PRESSURE FIGURE NO.
GC302 ¾" Chain Lever 1500 PSI 1
GC450 ½" Chain Lever 450 PSI 1
GC451 ¾" Chain Lever 450 PSI 1
GC310 ½" Chain/Weight 250 PSI 2
GC311 ¾" Chain/Weight 250 PSI 2
GC306 ½" Hand Wheel 150 PSI 3
GC307 ¾" Hand Wheel 150 PSI 3
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