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Page 5 of 8 (Section 2 of 2)

50 Hanover Road, Florham Park, New Jersey 07932 www.ascovalve.com

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

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

1/4

1 7/8

47 6

2 13/32

61 1

9/32

7 1

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

8 7

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

8 7

3 7/8

98,4

3 13/16

96,8

11/32

8,7

1/4

orifice construction

Содержание 8344

Страница 1: ...cylinder IMPORTANT Do not install the speed control or any other restrictive device in either the pressure inlet connection or the exhaust outlet connection of the valve Restricting either of these lines may cause valve malfunction metering knob stem locking pawl bonnet body gasket stem gasket spring valve body disc FREE FLOW METERED FLOW INSTALLATION Check nameplate for correct catalog number pre...

Страница 2: ...s or other soft material so as not to burr the edges of hole Hold piston shaft firmly with rod and unscrew locknut Disassemble piston shaft sub assembly in an orderly fashion Do not damage or mar any of the parts 11 Remove locknut shaft gasket piston with body and guide u cups 2 attached Slide piston end guide and resilient main disc off main shaft 12 Remove body u cups and guide u cup from piston...

Страница 3: ...t gasket and guide gaskets 2 on piston guide C Slip piston guide with gaskets onto shaft D Position shaft gasket on shaft E Install guide u cup and body u cup on piston Make certain that open end of guide u cup faces the main valve body while open end of body u cup faces the piston end body Position the piston with u cups on shaft F Replace shaft washer and shaft nut Torque the shaft nut to 125 10...

Страница 4: ... the number of the kit is not visible order by indicating the number of kits required and the Catalog Number and Serial Number of the valve s for which they are intended solenoid base solenoid base stem retainer gasket sub assembly core assembly bonnet gasket stem gasket stem spacer sub assembly manual operator body with core spring valve seat Captive spacer on stem spacer sub assembly must be loc...

Страница 5: ... 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 ...

Страница 6: ...nsert gaskets snap in grooves of insert Lower insert gasket fits between the recess in the lower corner of the insert and the lower corner of the pilot insert bore Middle and lower insert gaskets are the same size however the lower gasket is made of a softer material bonnet gasket disc holder spring disc holder sub assembly upper insert insert lower insert gasket see Note middle insert gasket gask...

Страница 7: ...rew serves as a tool to remove insert from valve body Remove screw from insert before reassembling lower insert gasket see Note pilot orifice Do Not Damage CAUTION Note Upper and middle insert gaskets snap in grooves of insert Lower insert gasket fits between the recess in the lower corner of the insert and the lower corner of the pilot insert bore Middle and lower insert gaskets are the same size...

Страница 8: ...ert gasket body 4 40 machine screw serves as a tool to remove insert from valve body Remove screw from insert before reassembling lower insert gasket see Note body long screw 4 Note Upper and middle insert gaskets snap in grooves of insert Lower insert gasket fits between the recess in the lower corner of the insert end the lower corner of the pilot insert bore Middle and lower insert gaskets are ...

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