Georg Fischer Signet LLC, 3401 Aero Jet Avenue, El Monte, CA 91731-2882 U.S.A. • Tel. (626) 571-2770 • Fax (626) 573-2057
For Worldwide Sales and Service, visit our website: www.gfsignet.com • Or call (in the U.S.): (800) 854-4090
For the most up-to-date information, please refer to our website at www.gfsignet.com
3-4150.096 Rev C 09/13 English
© Georg Fischer Signet LLC 2013
Cleaning Instructions
1. Turn the valve body clockwise to the closed position, isolating the
valve from the system. See fi gure 2.
2. Remove the fl oat assembly by unscrewing the top of the body
and lifting the black cover assembly up. See fi gure 3.
3. Carefully clean the seat area of any dirt or debris.
4. Carefully clean any dirt or debris from inside the vent chamber.
5. Reinstall the clean fl oat assembly, making sure that the O-ring is not
damaged and is seated properly. See fi gure 3.
6. Reinstall the black cover assembly on the air release valve body.
HAND-TIGHTEN ONLY.
7. Operate by turning the air release valve body counter-clockwise to the
open position.
HAND-TIGHTEN ONLY. See fi gure 3.
8. For proper operation, make sure that the red vent cap is tightened all
the way to the stop. HAND-TIGHTEN ONLY.
BLACKCOVER
ASSEMBLY
O-RING
SEAT AREA-
MAKE SURE
AREA IS FREE
OFDIRTAND
DEBRIS
REDVENT CAP
WITH LEAKAGE
GUARD.
VENTLEVER
SPRING
FLOAT
CONSTRUCTED
FOR EASY IN
LINE SERVICE.
SHUTOFFIS
BUILT-INNO
DRAINDOWN
REQUIRED.
Figure 3
Ordering Information
Part Number
Code
Description
4150-0003
159 001 587
Stilling/Bubble Chamber
3-4150-1
159 001 596
Turbidimeter, White Light, 0 to 1000 NTU/FNU
3-4150-2
159 001 597
Turbidimeter, Infrared, 0 to 1000 NTU/FNU
3-4150-3
159 001 598
Turbidimeter, White Light, 0 to 100 NTU /FNU With AutoClean
3-4150-4
159 001 599
Turbidimeter, Infrared, 0 to 100 NTU/FNU With AutoClean
3-4150-5
159 001 600
Turbidimeter, White Light, 0 to 1000 NTU/FNU With AutoClean
3-4150-6
159 001 601
Turbidimeter, Infrared, 0 to 1000 NTU/FNU With AutoClean
4150-0001
159 001 593
Pressure Regulator
4150-0004
159 001 589
Replacement cuvette with ultrasonic transducer
4150-0005
159 001 595
Tubing Kit: 1-shutoff clamp, 1-backpressure valve,
2-connecting tubing with fi ttings, 1-drain vent
4150-0007
159 001 602
Replacement cuvette set (3 glass cuvettes)
3-4150.380
159 001 588
Replacement Desiccant
3-4150.381
159 001 613
**Replacement Desiccant cap with gasket
(Special Order Only)
3-4150.382
159 001 650
Turbidity Lamp Replacement kit, White
3-4150.386
159 001 652
O-ring kit for cuvette
3-4150-24V
159 001 723
**24 Volt Power Supply
(Special Order Only)
3822-4000
159 001 592
*Formazin Stock Solution, 4000 NTU/FNU, 500 ml
3822-4001
159 001 585
*Calibration Kit, Turbidity, 100, 10 & 0.02 NTU/FNU
3822-4002
159 001 591
*Formazin Stock Kit
3822-4003
159 001 586
*Calibration Kit, Turbidity, 1000, 10 & 0.02 NTU/FNU
**
signet-specialproduct@georgfi scher.com.
* Material Safety Data Sheets (MSDS) are available online at www.gfsignet.com
