Honeywell HON 372 Handbuch

Gas Pressure Regulator HON 372 372.20

Serving the Gas Industry

Worldwide

OPERATING AND MAINTENANCE INSTRUCTIONS/

SPARE PARTS EDITION 01/2017

Contents Page

1. General information 3

2. Specic maintenance instructions 4

2.1 Pressure-compensating diaphragm 4

2.2 Valve rod 4

2.3 Tightening torques 5

2.4 Lubricants 5

2.5 Screw locking devices

3. Spare parts

3.1.1.1 Spare parts drawings HON 372 DN 25 and DN 50 - K1a/K2a 6

3.1.1.2 Spare parts drawings HON 372 DN 25 and DN 50 - K16/K17 7

3.1.2 Spare parts drawings HON 372 DN 25 and DN 50 8, 9

3.2.1 Spare parts drawings HON 372 DN 80 through DN 150 10

3.2.2 Spare parts drawings HON 372 DN 80 through DN 150 11, 12

3.3.1 Spare parts drawing regulating assembly 1 13

3.3.2 Spare parts list regulating assembly 1 14, 15

3.4.1 Spare parts drawing regulating assembly 2 16

3.4.2 Spare parts list regulating assembly 2 17, 18

3.5.1 Spare parts drawing regulating assembly 3 19

3.5.2 Spare parts list regulating assembly 3 20, 21

3.6.1.1 Spare parts drawing actuator K1a 22

3.6.1.2 Spare parts drawing detail Z 23

3.6.1.3 Spare parts drawing SSV ap 23

3.6.1.4 Spare parts drawing actuator K2a 24

3.6.2 Spare parts drawing actuator K1a and K2a 25, 26

3.7.1 Spare parts drawing pressure/force transducer 27

3.7.2 Spare parts list pressure/force transducer 28

4. Parts for maintenance purposes 29, 30, 31

372.20 p.02

372.20 p.03

Note

Caution

Danger of damage to property and/

or the environment

Important additional information

Eye catcher Used for:

Danger

Danger to life and limb

1. General information

All persons involved with the assembly, operation and/or maintenance of the HON 372 gas pressure regulator must read and

understand all of the following documents:

- Technical product information 372.00 — this Honeywell document contains the technical data and dimensions of the

equipment as well as instructions concerning construction and mode of operation.

-General operating manual for gas pressure regulators and safety devices– this Honeywell document contains information

on assembly and operation as well as general information on troubleshooting.

- Operating and maintenance instructions/spare parts 372.20 – this Honeywell document contains more detailed information

on assembly and operation of the gas pressure regulator.

There are national laws and regulations for all sorts of jobs on gas pressure governors, from planning to maintenance. Be sure to

comply. (In Germany, for instance, DVGW work sheets G 600, G 459/II, G 491 and G 495.)

Inspection and maintenance intervals depend mostly on operating conditions and the nature and properties of the gas. There

are no general rules or recommendations for intervals. For Germany, we recommend to consider maintenance intervals as

stated in DVGW work sheet G 495 in a rst instance. However, in the mid-term, intervals must be adapted to the requirements of

each specic equipment.

During maintenance, components must be cleaned and then checked thoroughly. This is necessary even if there have not been

any unusual observations during operation and/or functional testing. Checks must focus, in particular, on diaphragms and seals

and all movable parts and their respective bearings. Any and all defective parts must be replaced with new ones. The same

applies to

O rings removed during disassembly.

Do not use any spare/wear parts and/or oils & lubricants not specically recommended in the Honeywell operating and

maintenance instructions for spare parts.

In the event spare/wear parts and/or lubricants & oils other than those specically recommended are used, Honeywell shall not

be liable for any defects and/or consecutive damages attributable to such use of illegal parts, lubricants, oils etc.

Item numbers mentioned in the specic operating and maintenance instructions correspond with the numbers in the spare

parts lists and drawings.

Some parts in the lists and drawings are marked with a letter "W". We recommend to always have a reserve of those parts in

stock for maintenance purposes. Those spare parts are put together in another separate list at the end of the spare parts list.

1.1 Safety information

In this manual, safety information is highlighted by means of the following titles and eye catchers:

Pressure-compensating

diaphragm

DN 25 and DN 50

DN 150 valve seat – Ø 150

Valve rod

Lever

O ring Pressure-compensating

diaphragm

O ringO ring Pressure-compensating

diaphragm

DN 80 and DN 100

O ringPressure-compensating

diaphragm

O ring

2. Specic maintenance instructions

2.1 Pressure-compensating diaphragm

During assembly, observe the correct mounting position of the valve.

2.2 Valve stem

In order to secure the diaphragm against unintentional movements when loosening and/or tightening the nut, secure the valve

stem accordingly. The valve stem has a transverse bore for that purpose.

372.20 p.04

DN 150 valve seat – Ø 100

Tightening torques

MAin Nm

Screws & bolts –

item no.

2.3 Tightening torques MA

2.4 Lubricants

Components Lubricants HON part no.

All O rings and all sliding surfaces Silicone grease

mounting and loop areas of diaphragms (apply a thin lm) 27081

(except diaphragms without beads)

Balls (412, 421)

all fastening screws and screwed pipe connections Silicone grease 27081

Tightening torques

MAin Nm

Screws & bolts –

item no.

1 20 201 20

4 20 202 10

10 20 206 10

21 30 210 20

28 20 235 10

60 30 239 20

63 40 301 20

73 40 302 20

74 40 306 10

101 20 310 30

103 10 338 10

106 5 342 20

110 20 416 10

133 10 418 20

137 20 509 10

2.5. Screw locking methods & devices

Components Method/device HON part no.

Valve cone (413)

Eye-bolts (100, 200, 343) WEICONLOCK 302-21 525045

Locking screws (11, 77)

372.20 p. 05

4, 5

W 2

W 8

W 7

13 W

14 W

18 W

-0,5

30 W

32 W

27 W

3.1.1.1 Spare parts drawings HON 372 DN 25 and DN 50

Version with SSV K1a/K2a

MABe sure to comply with tightening torques in table on page 05.

WParts should be held in stock for maintenance purposes.

372.20 p.06

Regulating assembly

(only DN50)

DN 25 through DN 150

Version with remote indication "CLOSED"

DN 25 through DN 150

SSV K1a/K2a

8 W

3.1.1.2 Spare parts drawings HON 372 DN 25 and DN 50

Version with SSV K16/K17

MABe sure to comply with tightening torques in table on page 05.

WParts should be held in stock for maintenance purposes.

372.20 p. 07

(only DN 25 and DN 50)

see 670.20

Item Part no.

no. Denomination Number W Materials DN 25 DN 50

372.20 p.08

3.1.2 Spare parts drawings HON 372 DN 25 and DN 50

W Parts should be held in stock for maintenance purposes

German abbreviations stand for the following materials:

St ... steel LM ... light metal/alloy GMs ... cast brass

NSt ... stainless steel Ms ... brass GZn ... cast zinc

FSt ... spring steel GS ... cast steel AlBz ... aluminium bronze

NFSt ... stainless spring steel GGG ... spheroidal graphite cast iron K ... synthetic materials

Bz ... bronze GBz ... cast bronze KG ... gummous synthetic

materials

Cu ... copper GLM ... cast light metal SSt ... foamed materials

1 Hex screw 4 St 10398 10398

2 Sealing ring 4 W LM 18710 18710

3 Body, optional:

3 Body with SSV; PN16 1 GGG 15055018 15056030

3 Body with SSV; PN16 1 GS 15055003 15056014

3 Body with SSV; PN16 1 GS 15055007 15056025

3 Body with SSV; class 150 1 GGG 15055001 15056013

3 Body with SSV; class 150 1 GS 15055004 15056010

3 Body with SSV; class 150 1 GS 15055008 15056027

3 Body without SSV; PN16 1 GGG 15055019 15056019

3 Body without SSV; PN16 1 GS 15055005 15056023

3 Body without SSV; PN16 1 GS 15055009 15056028

3 Body without SSV; class 150 1 GGG 15055002 15056024

3 Body without SSV; class 150 1 GS 15055006 15056051

3 Body without SSV; class 150 1 GS 15055010 15056029

4 Hex screw 8 St 10630 10630

5 Lock washer 8 St 14121 14121

6 SSV cover, optional:

6 SSV cover 2 GGG 15056031 15056031

6 SSV cover 2 GS 15056032 15056032

6 SSV cover 2 GS 15056033 15056033

7 O ring 1 W KG 21261 21261

8 O ring 1 W KG 20832 20832

9 Lock washer 3 St 14122 14122

10 Hex nut 3 St 5559 5559

11 Locking screw 3 St 12473 12473

12 Clamping plate 1 St 15056008

13 O ring 1 W KG 20513

14 O ring 1 W KG 520110 21258

15 Flat head screw 3 St 11145

16 Metal foam ring 1 NSt 15025006 15026027

17 Pin 1 St 15026013 15026013

18 O ring 1 W KG 21271 520001

Item Part no.

no. Denomination Number W Materials DN 25 DN 50

372.20 p.09

19 Cover, optional:

19 Cap 1 GGG 15055012 15056054

19 Cap 1 GS 15055013 15056055

19 Cap 1 GS 15055014 15056056

20 Lock washer 2 St 14121 14119

21 Hex screw 2 St 10630 510107

22 Dowel pin 2 St 17269 17269

23 Cable box 1 24099 24099

24 Proximity switch 1 24160 24160

25 Relay 230 V, 1 channels 1 24402 24402

25 Relay 230 V, 2 channels 1 24403 24403

26 Sealing cap 1 St 10633 10633

27 O ring 1 W KG 21250 21250

28 Hex screw 4 St 10066

29 Lock washer 4 St 14122

30 Sealing ring 1 W LM 518017 518017

31 Screwed connection 1 St 530047 530047

32 Sealing ring 1 W LM 518017 518017

33 Sealing cap 1 St 10363 10363

W 62

66 W

70 W

W 76

3.2.1 Spare parts drawings HON 372 DN 80 thru DN 150

MABe sure to comply with tightening torques in table on page 05.

WParts should be held in stock for maintenance purposes.

372.20 p.10

Regulating assembly

Version DN150 with

regulating assembly 3

SSV K1a/K2a

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