Brochure
72
6
B
Fixed orice.
Multi-turn adjustment range.
Memory stop feature.
Max. working pressure: 232 psi.
Working temperature range: -4 to 250°F.
Number of adjustment turns: 6.
DZR Low-lead brass body.
Stainless steel valve plug.
Teon
®
stem guide bearing.
Meets requirements of NSF/ANSI 372-2011.
Complies with low lead laws and listed by
ICC-ES for use in accordance with the U.S.
and Canadian plumbing codes.
130
Flo-Set™ Fixed Orifice
STATIC BALANCING VALVES, FIXED ORIFICE, FOR PLUMBING AND HYDRONICS
Insulation shell ts 130 series balancing
valves.
Code Description Lbs USD
CBN130400 fits ½" NPT 0.1
27.50
CBN130500 fits ¾" NPT 0.1 29.80
CBN130600 fits 1" NPT 0.1 35.80
CBN130700 fits 1¼" NPT 0.1 44.70
CBN130800 fits 1½" NPT 0.1 55.80
CBN130900 fits 2" NPT 0.1 74.30
Code Description Max Cv Lbs USD
130400A ½" NPT female 3.7 1.0
125.00
130500A ¾" NPT female 5.1 1.2 137.00
130600A 1" NPT female 8.8 1.5 163.00
130700A 1¼" NPT female 14.0 2.0 204.00
130800A 1½" NPT female 19.7 2.3 254.00
130900A 2" NPT female 30.5 2.5 338.00
Memory stop The 130 series balancing valve features a memory stop that
allows the valve to be reopened to the initial position if it has been closed for
any reason such as isolating components in the balanced circuit. Locking the
position to be memorized requires the use of a 2.5 mm hex key.
Construction details
The 130 series balancing valve is a hydraulic device that controls the ow rate
of a uid. Turning the knob moves a plug within the uid stream which varies
the ow rate. The ow rate is determined according to the pressure drop value
measured by a differential pressure meter connected to the pressure test ports.
Venturi flow rate measurement device
As shown in the gure below, the 130 series
balancing valve contains two closely spaced
pressure test ports located upstream of the
valve plug and at different cross sectional
areas. As uid ows through the valve, the
velocity at the port closest to the plug is
greater than the velocity at the port furthest.
The result, referred to as the Venturi effect,
is an induced pressure differential across
the ports.
Adjustment knob The shape of the knob is designed to ensure maximum
comfort for the operator and an accurate adjustment. 6 full turns of rotation
with 10 decimal graduations per rotation allows for precise valve adjustment.
Shades of the scale indicator are large and clear allowing for easy, accurate
reading. The knob is made of a reinforced high strength corrosion-resistant
polymer.
Adjustment reference scale Each 360° rotation of the knob moves the turn
indicator by one position, ranging from 0 (valve closed) to 6 (valve fully open). A
geared drive allows for decimal graduations of the scale situated around the
knob itself letting the ow rate to be nely tuned.