Honeywell MS4103 ユーザーズマニュアル
147
VFF3
Resilient seat three-way valves
provide control for HVAC system
applications including chilled
water, hot water, cooling tower
water, thermal storage systems,
and steam.
provide control for HVAC system
applications including chilled
water, hot water, cooling tower
water, thermal storage systems,
and steam.
SPECIFICATIONS
Body Pattern ........................................ 3 way (A-B-AB)
Body Pattern ........................................ 3 way (A-B-AB)
Valve Action .......................................... Normally Closed
Connection Type .................................. Lugged
Controlled Medium ............................... Chilled and hot water, up to
50% glycol
Actuator Control Type .......................... Electric floating, and
modulating; pneumatic spring
and non-spring return
Type of Enclosure ................................. NEMA 2 housing, DCA,
NEMA 4 industrial electric,
pneumatic linear
Flow Characteristic ............................... Modified Equal Percent
Mounting .............................................. ANSI Flanged
Static Pressure Rating (max) ................ 250 psi (1724 kPa)
Maximum Differential Pressure Ratings
(Close-off) ............................................. 175 psi (1206 kPa)
Actuator Ambient Temperature Ratings -5 F to 140 F (-20 C to 60 C)
Temperature Range .............................. -40 F to 250 F (-40 C to 121 C)
Materials
(Body) ................................................... Polyester-coated cast iron
ASTM A126 Class B
(Stem) ................................................... 416 stainless steel
(Seat) .................................................... Peroxide-cured EPDM resilient
seat
(Plug/Ball/Disc) ..................................... Nylon 11-coated ductile iron
APPROVALS
CE ......................................................... Compliant
CE ......................................................... Compliant
Underwriters Laboratories, Inc. ............ C/US UL873, Plenum Rated
DIMENSIONS DIAGRAM
M27020
C
T
G
P
T
F
H
R
3 (76)
C
C
PIPE SIZE
IN. [mm]
W
H
L1
L2
G
W
H
L1
L2
G
2
[DN50]
2-1/2
[DN65]
3
[DN80]
4
[DN100]
7-1/2
6-3/4
5-1/2
2
5-3/4
5
[191]
[170]
[141]
[49]
[147]
[DN125]
6
[DN150]
8
[DN200]
10
[DN250]
12
[DN300]
14
[DN350]
16
[DN400]
18
[DN450]
8-1/2
16
8-3/4
4-1/2
12-1/2
20
[217]
[406]
[221]
[115]
[320]
[DN500]
* 175 PSI [1206 KPA] CLOSE-OFF UP TO 12 INCHES [DN 300], 150 PSI [1034 KPA] OTHERWISE
**NOTE: VALVE SIZES 2 TO 3 INCHES HAVE 175 PSI [1206 KPA] CLOSE-OFF AND ARE
AVAILABLE ONLY WITH FULL CUT DISKS.
[170]
NEMA 4X (VFF3/6_W1YXA/B)
12-1/8
[68]
[188]
[198]
9-1/2
3-1/4
[191]
5-1/2
2
5-3/4
7-1/2
[307]
[217]
[406]
[221]
[115]
[320]
12-1/2
4-1/2
NEMA 4 (VFF3/6_V1Y4A/4B)
[241]
[81]
[226]
[224]
8-3/4
[257]
NEMA 4X (VFF3/6_V1YXA/B)
[198]
[68]
9-1/2
3-1/4
8-7/8
[188]
[206]
UNDER CUT DISK, 50 PSI CLOSE-OFF**
10-1/8
7-3/4
2-3/4
7-3/8
8-1/8
[206]
[257]
8-3/4
12-1/8
8-3/4
NEMA 4 (VFF3/6_W1Y4A/4B)
8-7/8
[307]
[224]
[226]
[81]
16
8-1/2
[241]
FULL CUT DISK, 175 PSI CLOSE-OFF
10-1/8 8-1/8
7-3/8
2-3/4
7-3/4
[141]
[49]
[147]
6-3/4
WITH NEMA 4/4X ACTUATORS
Resilient Seat Butterfly Valves
VFF3
S
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TT
A
l Shee
TS