DUNGS


dungs14.jpg (3789 bytes) Visual Indicator
shows closed and open position of the safety valve.

Closed position indicator, CPI 400
indicates closed and open position by a lamp. Interlock switch for electrical signal SPDT 10A @ 120 VAC.

dungs15.jpg (5213 bytes)

dungs16.jpg (3538 bytes) VPS 504
Valve proving system for Dual Modular Safety Valves (DMV)

max. operating pressure: 7 PSI
test volume: 0.14 cft
sensitivity limit: <2.0 cft/hr
test cycle: approx. 10 to 30 s
ambient temperature: +5 to +140°F

dungs17.jpg (4158 bytes)

 

dungs18.jpg (2027 bytes) VDK 200 A
Valve proving system for use with gas trains with two single safety shutoff valves

max. operating pressure: 5 PSI
test volume: 0.71 cft
sensitivity limit: <2.0 cft/hr
test cycle: approx. 32 s
ambient temperature: +14 to +140°F

CM 100/101
Control module(not shown); used with VPS or VDK when checking on start and shut down is required.

dungs19.jpg (3125 bytes)

dungs20.jpg (2660 bytes)

 

dungs22.jpg (3196 bytes)

GAO-A4-4...Pressure Switch; auto reset
GMH-A4-4...High Pressure Limit; manual reset
GML-A4-4...Low Pressure Limit; manual reset

GMH locks out and indicates when the pressure exceeds the set-point.
GML locks out and indicates when the pressure is below the set-point.

G...-A2-4...Pressure Switches are to be used on DMV valves.
G...-A4-4...Pressure Switches are to be used with 1/4" NPT pipe.

ambient temperature:  -40 to +140°F
enclosure: NEMA 4, indoor use only
switch rating: SPDT 10A @ 120 VAC
visual indication: neon light
ventless
Gas pressure switch set-point ranges:
0.16 to 1.20" wc, 0.40 to 4.00" wc,
2.00 to 20.00" wc, 12.00 to 60.00" wc,
40.00 to 200.00" wc

dungs21.jpg (2409 bytes)

 

 

 

dungs23.jpg (2165 bytes)

 

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