Mooney Controls

Valve Specifications

The 4" FLOWGRID(TM) Valve is a versatile, economical and easy to maintain pilot operated valve for both gas and liquid applications. The valve is designed to be used in conjunction with a self contained pilot control system as pictured. The valve combines large capacity and easy in line maintenance with a compact size to make it ideal for skid mounted, vault, and enclosure instalations.

4" Single Port
 FLOWGRID(TM) Valve
with Series 20 Pilot

SPECIFICATIONS
SIZE
 : 4"
BODY STYLE
 : SINGLE PORT (4")
END CONNECTIONS
 : 4" CL150, 300, 600 FLANGED & BUTTWELD
TEMPERATURE
: WORKING -20 F TO 150 F EMERGENCY -40 F TO 175 F
MAXIMUM OPERATING DIFFERENTIAL
: 800 PSI
MAXIMUM EMERGENCY DIFFERENTIAL
: 1000 PSI
MINIMUM DIFFERENTIAL
: REFER TO GRAPH
CRACKING DIFFERENTIAL
: REFER TO GRAPH
MAXIMUM INLET PRESSURE
: 1480 PSIG*
OUTLET PRESSURE RANGE
: LIMITED BY PILOT
FLOW DIRECTION
: BI-DIRECTIONAL**
BODY TAPS
: TWO 1/4"-18NPT
* LIMITED BY PILOT OR FLANGED RATING
** REVERSE FLOW BY CHANGING PILOT
CONNECTIONS AND REVERSING SPRING CASE

STOCK NUMBERS
4"SINGLE PORT VALVE STOCK NUMBER WEIGHT
150# FLANGED FG-39 103 lbs.
300# FLANGED FG-40 117 lbs.
600# FLANGED FG-41 145 lbs.
150#-300# BUTTWELD FG-63 86 lbs.
600# BUTTWELD FG-64 98 lbs.


STANDARD CONSTRUCTION MATERIALS
BODY &--
SPRING CASE
: ASTM A216 GR WCB CARBON STEEL
THROTTLE PLATE
: 17-4PH STAINLESS STEEL
DIAPHRAGM
: NITRILE/NYLON
O-RING--
& SEALS
: NITRILE, OPTIONAL(VITON)
BOLTING
: ASTM A 193 GR B-7 OR EQUAL
SPRING
: 301 STAINLESS STEEL
1) 3)
2) 4)
5)
6)

FLOW COEFFICIENTS AND
CONSTANTS
2" LARGE PORT VALVE
SWAGE FACTOR
PERCENT
CAPACITY		 Cv C1 Cg 1.5:1 2:1
100% 172 38 6500 0.97 0.95
75% 142 37 5300 0.98 0.96
50% 100 35 3550 0.99 0.98
35% 76 35 2700 1.00 1.00

40 West Gregson Ave. Salt Lake City, Utah 84115
Phone: (801) 487-2225 FAX (801) 487-2587
E-MAIL: mail@mooneycontrols.com

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