Versa-Matic Versa-Surge Surge Suppressors for Air-Driven Diaphragm Pumps Metallic - Manual (Page 9)

Models VTA1, VTA25, VTA1½, VTA40, VTA2, VTA50, VTA3 & VTA80 versassmsm-rev0510 Page 7
AL = Aluminum
B = Nitrile
CI = Cast iron
T = Virgin PTFE
V = FKM (Fluorocarbon)
S = Santoprene®
Surge Suppressor Options
125 psi
8.6 bar
Self-
charging.
Self-
venting.
¼"
NPT
(external
thread)
1½"
BSPT
(tapered
internal
thread)
20¼" to
23 3/16" height
(514mm to
589mm)
12½" diameter
(317mm) NPT(F)
VTA1
Designed for
1" pumps.
125 psi
8.6 bar
Self-
charging.
Self-
venting.
¼"
NPT
(external
thread)
1"
NPT
13 5/8" to
15 1/8" height
(346mm to
384mm)
9" diameter
(229mm) NPT(F)
VTA3
Design Level 2
Designed for
3" and 4" pumps.
¼"
NPT
125 psi
8.6 bar
Self-
Charging.
Self-
venting.
3"
BSPT
(tapered
internal
thread) or
80mm
DIN-style
Flange
20 1/8" to
23 1/8"m height
(511mm to
587mm)
16 3/16"
diameter
(411mm) NPT(F)
125 psi
8.6 bar
Self-
charging.
Self-
venting.
¼"
NPT
(external
thread)
1"
BSPT
(tapered
internal
thread)
13 5/8" to
15 1/8" height
(346mm to
384mm)
9" diameter
(229mm) NPT(F )
VTA25
Designed for
1" pumps.
VTA1½
Designed for
1" and 1½" pumps.
125 psi
8.6 bar
Self-
charging.
Self-
venting.
¼"
NPT
(external
thread)
1½"
NPT
(internal
thread)
19 7/8" to
21. 3/8" height
(505mm to
543mm)
10½" diameter
(267mm) NPT(F)
19 7/8" to
21. 3/8" height
(505mm to
543mm)
10½" diameter
(267mm) NPT(F)
VTA2
Design Level 2
Designed for
1½ and 2" pumps.
125 psi
8.6 bar
Self-
charging.
Self-
venting.
¼"
NPT
(external
thread)
2"
NPT
(internal
thread)
VTA50
Design Level 2
Designed for
1½ and 2" pumps.
125 psi
8.6 bar
Self-
charging.
Self-
venting.
¼"
NPT
2"
BSPT
(tapered
internal
thread)
20¼" to
23 3/16" height
(514mm to
589mm)
12½" diameter
(317mm) NPT(F)
3"
150# Ansi-
style flange
or 3"
NPT
internal
thread
VTA80
Design Level 2
Designed for
3" and 4" pumps.
125 psi
8.6 bar
Self-
Charging.
Self-
venting.
¼"
NPT
20 1/8" to
23 1/8"m height
(511mm to
587mm)
16 3/16"
diameter
(411mm) NPT(F)
VTA40
Designed for
1" and 1½" pumps.
E = EPDM
N = Neoprene
NT = Overlay, Neoprene
with Virgin PTFE
HC
HC= Alloy C
SS = Alloy 316 stainless steel