Specifications
*Dimensions are maximums and are to be used only as an aid in designing
clearance for the valve. Actual production dimensions may vary somewhat from
those shown.
DIMENSIONS*: inches (milimeters)
Model Vent Tap
Swing
Radius
Call-Outs
A
BC
D
RV12
None
(Integral)
1-3/8
(35)
1-11/16
(43)
3/8
(10)
1-11/16
(43)
1-3/8
(35)
RV20
A 5/16-24
1-5/8
(41)
2-1/8
(54)
1/2
(13)
2-3/8
(61)
1-3/4
(45)
RV47
CV47
B None
(Integral)
1-7/8
(48)
2-1/2
(64)
5/8
(16)
2-15/16
(75)
2-1/4
(57)
RV47A
CV47A
B None
(Integral)
1-5/8
(41)
2-1/4
(57)
5/8
(16)
2-15/16
(75)
2-1/4
(57)
RV48
C 1/8” NPT
2
(51)
2-3/4
(70)
3/4
(19)
3-3/8
(86)
3
(76)
A For 1/8” tube connector
B Order with “D” or “L” suffix
C Can be supplied with 12A04 or 12A06 vent limiting device
RV12
RV47, 47A
RV20
CV47, 47A
RV48
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D