Cla-Val 81-01/681-01 Technical Manual - Manual (Page 10)

Temperature Rating
Water: to 180°F. Max.
Speed Controls
For valves with opening and closing
speed controls order Model 81-02
Materials
Standard Pilot System Materials
Fittings: Brass
Tubing: Copper
Optional Pilot System Materials
Pilot Systems are available with
optional stainless steel or Monel
materials at additional cost.
When Ordering,
Please Specify
1. Catalog No. 81-01/681-01
2. Valve Size
3. Pattern - Globe or Angle
4. Pressure Class
5. Threaded or Flanged
6. Desired Options
7. When Vertically Installed
Pilot System Specifications
PO Box 1325 Newport Beach CA 92659-0325
Phone: 949-722-4800 Fax: 949-548-5441
CLA-VAL
CLA-VAL CANADA CLA-VAL EUROPE
4687 Christie Drive
Beamsville, Ontario
Canada L0R 1B4
Phone: 905-563-4963
Fax: 905-563-4040 Chemin dés Mesanges 1
CH-1032 Romanel/
Lausanne, Switzerland
Phone: 41-21-643-15-55
Fax: 41-21-643-15-50
© COPYRIGHT CLA-VAL 2009 Printed in USA
Specifications subject to change without notice. www.cla-val.com E-81-01/681-01 (R-11/09)
Represented By:
681-01 is the reduced internal port size version of the 81-01.
Suggested flow calculations were based on flow through Scheduled 40 Pipe. Maximum continuous flow is approximately 6ft/sec (1.8 meters/sec).
Installation of a surge valve is recommended.
** Flanged End Detail Only
Valve Selection
These Symbols
A
and
B
Indicate Available Sizes
Inches 3 ⁄
8
1 ⁄
2
3 ⁄
4
1 1 1 ⁄
4
1 1 ⁄
2
2 2 1 ⁄
2
3
mm 10 15 20 25 32 40 50 65 80
End Detail Threaded Threaded or Flanges
Model
81-01
Basic Valve
100-01
Globe
A A A A A A A A A
Angle
B B B B B
Suggested Flow
(gpm)
Max. Continuous 4 6 10 16 28 38 63 90 138
Suggested Flow
(Liters/Sec)
Max. Continuous 0.3 0.4 0.6 1.0 1.8 2.4 4.0 5.7 8.7
Model
681-01
Basic Valve
100-20
Globe
A**
Angle
Suggested Flow
(gpm)
Max. Continuous 138
Suggested Flow
(Liters/Sec)
Max. Continuous 8.7