Guspro BB-8416884 - Dimensions and Spring Ranges; MODEL SELECTION CHART - inches w.c. (millibars)

NOTE: The area within the heavy line indicates A.G.A. certified springs.
SPRING SELECTION CHARTinches w.c. (mbar)
* Dimensions 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 (millimeters)
RV61
RV52 & 53
RV111
RV81 & 91
RV131
Dimensions and Spring Ranges
Model &
Illustration
Number
Ven t
Tap
Swing
Radius
Call-Outs
ABCD
RV52
1/8"
NPT
3.6
(91)
4.9
(124)
3.2
(81)
3.25
(83)
1.25
(32)
RV53
1/8"
NPT
3.9
(99)
5.2
(132)
3.75
(95)
3.9
(99)
1.3
(33)
RV61
1/8"
NPT
4.8
(122)
6.4
(164)
4.4
(111)
5.4
(138)
1.6
(41)
RV81
3/8"
NPT
6.4
(162)
8.4
(213)
6
(153)
7
(178)
2
(51)
RV91
2" pipe
1/2"
NPT
8.5
(216)
10.8
(275)
6.5
(165)
9.1
(232)
2.3
(60)
RV91
2.5" pipe
1/4"
NPT
8.3
(212)
10.5
(267)
7.1
(181)
9.1
(232)
2.4
(62)
RV111
3/4"
NPT
11.5
(284)
15.1
(373)
9
(229)
13.4
(324)
3.5
(89)
RV131
3/4"
NPT
18.2
(462)
23.25
(590)
13.9
(353)
18
(458)
5.1
(129)
Model
Number
A.G.A. Certified Springs Other Springs Available
RV52
3 to 6
(7.5-15)
4-8
(10-20)
5-12
(12.5-30)
1-3.5
(2.5-9)
2-5
(5-12.5)
3-8
(7.5-20)
4-12
(10-30)
-- -- -- --
RV53
3 to 6
(7.5-15)
4-8
(10-20)
5-12
(12.5-30)
1-3.5
(2.5-9)
2-5
(5-12.5)
3-8
(7.5-20)
4-12
(10-30)
-- -- -- --
RV61
3 to 6
(7.5-15)
4-8
(10-20)
5-12
(12.5-30)
1-3.5
(2.5-9)
2-5
(5-12.5)
3-8
(7.5-20)
-- --
10- 22
(25-55)
-- --
RV81
3 to 6
(7.5-15)
4-8
(10-20)
5-12
(12.5-30)
1-3.5
(2.5-9)
2-5
(5-12.5)
3-8
(7.5-20)
4-12
(10-30)
5-15
(12.5-38)
10- 22
(25-55)
-- --
RV91
3 to 6
(7.5-15)
4-8
(10-20)
5-12
(12.5-30)
1-3.5
(2.5-9)
2-5
(5-12.5)
3-8
(7.5-20)
4-12
(10-30)
5-15
(12.5-38)
10- 22
(25-55)
-- --
RV111
3 to 6
(7.5-15)
4-8
(10-20)
5-12
(12.5-30)
1-3.5
(2.5-9)
2-5
(5-12.5)
3-8
(7.5-20)
4-12
(10-30)
5-15
(12.5-38)
10- 22
(25-55)
-- --
RV131
3 to 6
(7.5-15)
--
5-12
(12.5-30)
--
2-5
(5-12.5)
3-8
(7.5-20)
4-12
(10-30)
--
10- 22
(25-55)
15- 30
(38-75)
20- 42
(50-105)
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