Honeywell MS4103 manual VFF6, 148

Resilient Seat Butterfly Valves

VFF6

Resilient seat three-way valves 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-AB-B)
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
Underwriters Laboratories, Inc	C/US UL873, Plenum Rated

DIMENSIONS DIAGRAM

OPTIONAL POSITIONER

H Hp

R			F
	A
C			R
T	C	C	T
L2

PIPE SIZE	FULL CUT DISK, HIGH CLOSE-OFF*					UNDER CUT DISK, 50 PSI CLOSE-OFF**
	(VFF3/6_W1YCS/DS/ES/PS/XS)					(VFF3/6_V1YCS/DS/ES/PS/XS)
IN. [mm]
	W	H	HP	L1	L2	W	H	HP	L1	L2
2	2-3/4	4-1/4	10-1/4	3	3
[DN50]	[70]	[109]	[262]	[76]	[76]
2-1/2	3-5/8	5-2/8	11-2/8	4	4
[DN65]	[91]	[132]	[284]	[100]	[100]
3	4	5-1/2	11-1/2	4-1/2	4-1/2
[DN80]	[100]	[141]	[293]	[113]	[113]
4	4-3/4	6-7/8	12-7/8	6	6	4	5-1/2	11-1/2	4-1/2	4-1/2
[DN100]	[120]	[176]	[328]	[154]	[154]	[100]	[141]	[293]	[113]	[113]
5	5-3/8	7-3/4	13-3/4	6-1/8	6-1/8
[DN125]	[137]	[196]	[349]	[157]	[157]	4-3/4	6-7/8	12-7/8	6	6
6	6-3/4	9-3/8	15-3/8	7-3/4	7-3/4	[120]	[176]	[328]	[154]	[154]
[DN150]	[172]	[238]	[391]	[196]	[196]
8						6-3/4	9-3/8	15-3/8	7-3/4	7-3/4
[DN200]	8-7/8	11-5/8	17-5/8	9-1/2	9-1/2	[172]	[238]	[391]	[196]	[196]
10	[224]	[295]	[447]	[240]	[240]
[DN250]
12						8-7/8	11-5/8	17-5/8	9-1/2	9-1/2
[DN300]	10-3/4	13-1/2	19-1/2	13-3/8	13-3/8	[224]	[295]	[447]	[240]	[240]
14	[273]	[342]	[495]	[339]	[339]
[DN350]
16
[DN400]
18						10-3/4	13-1/2	19-1/2	13-3/8	13-3/8
[DN450]						[273]	[342]	[495]	[339]	[339]
20
[DN500]

*175 PSI [1206 KPA] CLOSE-OFF UP TO 12 INCHES [DN 300], 150 PSI [1034 KPA] AT 14 INCHES AND NO PRODUCT AVAILABLE GREATER THAN 14 INCHES.

**NOTE: VALVE SIZES 2 TO 3 INCHES ARE AVAILABLE ONLY WITH FULL CUT DISKS. M27023

WITH PNEUMATIC SPRING RETURN ACTUATORS

148