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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. |
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| 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. |
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| 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. |
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| 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. |
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| 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. |
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| 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. |
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| 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. |
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| 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. |
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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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