Asco 8344 User Manual

Page 5 of 8 (Section 2 of 2)
50 Hanover Road, Florham Park, New Jersey 07932 www.ascovalve.com
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E176963
Installation & Maintenance Instructions
SERIES
I&M No.V7544 -Sec. 2
8344
(Section 2 of 2)
4-WAY HEAVY DUTY SINGLE SOLENOID VALVES
1/4, 3/8, 1/2, 3/4 OR 1 NPT
1/4, 3/8 OR 3/4 ORIFICE
Notice: These instructions are divided into two sections. Be sure to read, understand and follow all instructions on I&M
No. V7544-Section 1 and 2.
Torque and Lubrication Chart
Part Name Pipe Sizes (NPT) Torque Value
Torque Value
Newton Meters
Figure Number
Where Used
Solenoid base
Sub-assembly
175 ± 25 in-lbs 19,8 ± 2,8 Figures 3, 4 & 5
Shaft Nut
 1/4 or 3/8 50 ± 5 in-lbs 5,7 ± 0,6 Figure 3
Shaft Nut
3/8, 1/2 3/4or 1 125 ± 10 in-lbs 14,1 ± 1,1 Figures 4 and 5
Seat 1/4, 3/8 or 1/2 40 ± 5 ft-lbs 54,2 ± 6,8 Figures 3 and 4
Body Screws All sizes 40 ± 5 in-lbs 4,5 ± 0,6 Figures 3, 4 & 5
Lubrication Parts To Be Lubricated
DOW CORNING 200
Fluid lubricant
upper, middle, and lower insert gaskets
body/seat gasket
large & small seat gaskets
seat gasket
DOW CORNING 111
Compound lubricant
body gaskets (2) guide u-cup
guide gaskets (2) bonnet gasket
body u-cup
u-cup o-ring 
Main shaft (slide area of main discs)
Bores of piston and piston end body
Internal 30 chamfers in valve body insert cavity. .
(See Figure 3 on Form No. V7544-Sec. 1 )
 1/4 orifice construction  When present
MOUNTING DIMENSIONS
Pipe
Size
Length L" Width W"
Holes D"
Dia. ∅
NPT Inches mm Inches mm Inches mm
1/4
1 7/8
47 6
2 13/32
61 1
9/32
71
3/8
1 7/8 47,6 2 13/32 61,1 9/32 7,1
3/8
2 5/8
66 6
3 1/8
79 3
11/32
87
1/2
2 5/8 66,6 3 1/8 79,3 11/32 8,7
3/4
3 7/8
98 4
3 13/16
96 8
11/32
87
1
3 7/8 98,4 3 13/16 96,8 11/32 8,7
 1/4 orifice construction

Asco 8344 Specifications

General

Brand	Asco
Model	8344
Category	Switch
Language	English