Emerson Spence Type N6 Скачать руководство пользователя страница 6

Viton

®

 is a mark owned by E.I. du Pont de Nemours and Co.

*Recommended Spare Parts

1. Top Cap for 1-1/2, 2 and 2-1/2 in. / 38.1, 50.8 and 63.5 mm is Cast iron.

2.  Included in Item 23: 

Sizes 3/4 to 2 in. / 19.05 to 50.8 mm inclusive are screwed ends 

Sizes 2-1/2 in. is 250 lbs / 113 kg

KEY

DESCRIPTION

MATERIAL

VALVE SIZE, IN. / mm

3/4 / 19.05

1 / 25.4

1-1/4 / 31.75

1-1/2 / 38.1

2 / 50.8

2-1/2 / 63.5

1

Top Cap

(1)

Steel

WAL4-01303-0 WAL4-01303-0 WAL4-01303-0 WAL4-01331-0 WAL4-01331-0 WAL4-01331-0

2

Adjusting Screw

Steel

WAL5-04860-0 WAL5-04860-0 WAL5-04860-0 WAL5-04863-0 WAL5-04864-0 WAL5-04864-0

3

Adjusting Screw Locknut

Steel

WAL5-02942-0 WAL5-02942-0 WAL5-02942-0 WAL5-02943-0 WAL5-02943-0 WAL5-02943-0

4*

Top Cap Gasket

Copper 

Asbestos

WAL5-02356-0 WAL5-02356-0 WAL5-02356-0 WAL5-02357-0 WAL5-02357-0 WAL5-02357-0

5

Spring Buttons

Steel

WAL0-01040-0 WAL0-01040-0 WAL0-01040-0 WAL5-01060-0 WAL5-01050-0 WAL5-01062-0

6

Spring Chamber

Cast iron

WAL4-01398-0 WAL4-01399-0 WAL4-01400-0 WAL4-01401-0 WAL4-01402-0 WAL4-01403-0

7

Adjusting Spring

5 to 50 psi / 0.35 to 3.45 bar

Aluminum 

Steel

WAL5-04957-0 WAL5-04958-0 WAL5-04959-0 WAL5-04960-0 WAL5-04961-0 WAL5-04962-0

40 to 125 psi / 2.75 to 8.62 bar

17-7 PH

WAL5-04972-1 WAL5-04973-1 WAL5-04974-1 WAL5-04975-1 WAL5-04976-1 WAL5-04977-1

100 to 200 psi / 6.89 to 13.79 bar Aluminum 

Steel

WAL5-10327-0 WAL5-10328-0 WAL5-10329-0 WAL5-10330-0 WAL5-10331-0 WAL5-10332-0

8

Spring Chamber Studs

Steel

WAL4-05516-0 WAL4-10118-0 WAL4-05442-0 WAL4-05443-0 WAL4-10119-0 WAL4-05447-0

9

Spring Chamber Nuts

Steel

WAL5-02847-0 WAL5-02851-0 WAL5-02854-0 WAL5-02856-0 WAL5-02860-0 WAL5-02862-0

10*

Spring Chamber Gasket

Asbestos

WAL5-02381-0 WAL5-02362-0 WAL5-02382-0 WAL5-02365-0 WAL5-02366-0 WAL5-02367-0

11

Cylinder

Bronze

WAL4-01569-1 WAL4-01570-1 WAL4-01571-1 WAL4-01572-1 WAL4-01573-1 WAL4-01574-1

12*

Sealing Ring

Viton

®

WAL5-04021-0 WAL5-04026-0 WAL5-10463-0 WAL5-04034-0 WAL5-04044-0 WAL5-04048-0

13

Stem Locknut

Steel

WAL5-03015-0 WAL5-03016-0 WAL5-03016-0 WAL5-03017-0 WAL5-03017-0 WAL5-03018-0

14

Piston

Stainless 

steel

WAL4-03336-0 WAL4-03337-0 WAL4-03338-0 WAL4-03339-0 WAL4-03340-0 WAL4-03341-0

15

Disk

Stainless 

steel

WAL4-02007-0 WAL4-01832-2 WAL4-01850-2 WAL4-01870-2 WAL4-01888-2 WAL4-01906-1

16

Seat Ring

Stainless 

steel

WAL4-04075-1 WAL4-04084-1 WAL4-04092-1 WAL4-04496-1 WAL4-11544-0 WAL4-11539-0

17

Body

(2)

Cast iron

- - - - - - -

- - - - - - -

- - - - - - -

- - - - - - -

- - - - - - -

- - - - - - -

18

Stem

Stainless 

steel

WAL4-05311-1 WAL4-05312-1 WAL4-05313-1 WAL4-05314-1 WAL4-05315-1 WAL4-05316-2

19

Bushing

(2)

17-7 PH

WAL4-01094-1 WAL4-01099-2 WAL4-01095-1 WAL4-10630-0 WAL4-10630-0 WAL4-10522-0

20

Body Cap

Cast iron

WAL4-01300-0 WAL4-01300-0 WAL4-01301-0 WAL4-01301-0 WAL4-01302-0 WAL4-01325-0

21

Pipe Plug, 1/8 NPT

Steel

WAL4-03769-0 WAL4-03769-0 WAL4-03769-0 WAL4-03769-0 WAL4-03769-0 WAL4-03769-0

22

Piple Plug, 1/4 NPT

Steel

WAL4-03772-0 WAL4-03772-0 WAL4-03772-0 WAL4-03772-0 WAL4-03772-0 WAL4-03772-0

23

Body and Bushing

Cast iron

WAL7-42862-1 WAL7-42863-1 WAL7-42864-1 WAL7-42865-1 WAL7-42866-1 WAL7-42867-1

Repair Kit  

(4, 10, 11, 12, 13, 14, 15, 16 

and 18)

- - - - - - -

WAL7-08362-1 WAL7-08363-1 WAL7-08364-1 WAL7-08365-1 WAL7-08366-1 WAL7-08367-1

Parts Ordering

When corresponding with your local Sales Office about this 

equipment, always reference the equipment serial number 

that can be found on the nameplate.
When ordering replacement parts, reference the key number 

of each needed part as found in the following parts list.

Table 3.

 Type N6 Parts List

Parts List

Type N6

See Table 3

6

Type N6

Содержание Spence Type N6

Страница 1: ... the Type N6 differential pressure valves Introduction Scope of the Manual This manual provides instructions for the installation troubleshooting maintenance valve setting and parts ordering for Type N6 differential pressure valves Product Description Type N6 differential pressure valves are designed to maintain pump discharge pressures at a constant differential above a separate source of pressur...

Страница 2: ...CL250 Pressure Rating 1 250 psig 17 2 bar Temperature Rating 1 350 F 177 C Spring Ranges 5 to 50 psid 0 34 to 3 4 bar d 40 to 125 psid 2 76 to 8 62 bar d 100 to 200 psid 6 89 to 13 8 bar d 1 The pressure temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded Table 1 Type N6 Differential Pressure Valve Rated Flow Coefficients BODY SIZE FL...

Страница 3: ...he initial pressure acts against the working face of the disk and tends to move it open Opposing the opening are the forces of the differential adjusting spring and the loading pressure acting on the piston The differential adjusting spring force creates the differential between the retained pressure supply main or boiler feed water under the disk and the loading pressure return main or boiler dru...

Страница 4: ...re service conditions could exceed the limits given in the Specifications section and or valve nameplate Additionally physical damage to the valve may result in personal injury or property damage due to escaping of accumulated gas To avoid such injury and damage install the valve in a safe location Under enclosed conditions or indoors escaping gas may accumulate and be an explosion hazard In this ...

Страница 5: ...ign material may be between the seat and disk of the main valve b Line from steam header may be plugged restricted or broken c Differential adjusting spring setting may have been tampered with d Chamber C may be dirt plugged or port in bushing key 19 may be plugged e O ring or piston may be damaged and leaking To avoid possible personal injury from spring or pressure loaded actuator make sure that...

Страница 6: ...Gasket Asbestos WAL5 02381 0 WAL5 02362 0 WAL5 02382 0 WAL5 02365 0 WAL5 02366 0 WAL5 02367 0 11 Cylinder Bronze WAL4 01569 1 WAL4 01570 1 WAL4 01571 1 WAL4 01572 1 WAL4 01573 1 WAL4 01574 1 12 Sealing Ring Viton WAL5 04021 0 WAL5 04026 0 WAL5 10463 0 WAL5 04034 0 WAL5 04044 0 WAL5 04048 0 13 Stem Locknut Steel WAL5 03015 0 WAL5 03016 0 WAL5 03016 0 WAL5 03017 0 WAL5 03017 0 WAL5 03018 0 14 Piston...

Страница 7: ...1 2 3 4 23 24 25 5 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 4 NPT Figure 3 Type N6 Assembly Drawing SERIAL NUMBER PLATE 7 Type N6 ...

Страница 8: ...re property of their prospective owners The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are ...

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