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Parker Hannifin Corporation • Refrigerating Specialties Division
2445 South 25th Avenue • Broadview, IL 60155-3891 USA
Telephone: (708) 681-6300 • Fax (708) 681-6306

PRESSURE CONTAINING COMPONENTS A4A DN LINE: 3/4" & 1"

COMPONENT DESCRIPTION

MATERIAL

Kv

VOLUME

BODY, A4A DN

ASTM A-126 CLASS B

6.2

ADAPTER, A4A DN

ASTM A-126 CLASS B

&

COVER BOTTOM, A4A/S4A

BARSTOCK ASTM 1213 CR 8.6

BONNET A4W

ASTM A-126 CLASS B

B O DY ,S6A (RE G U LA R M ATL)

DU C TILE IRO N A S TM A 536

TUBE SOLENOID, S6

SS TUBING 304

SLEEVE, SOLENOID TUBE

AISI 1117 CRS BARSTOCK

BODY, A2D DN

ASTM A-126 CLASS B

PRESSURE CONTAINING COMPONENTS A4A DN LINE: 1-1/4 TO 4

COMPONENT DESCRIPTION

MATERIAL

Kv

VOLUME

BODY, A4A DN

DUCTILE IRON GGG 40.3

15

0.57 L

ADAPTER, A4A DN

DUCTILE IRON GGG 40.3

COVER BOTTOM, A4A/S4A

BARSTOCK ASTM 1213 CRS

BONNET A4W

DUCTILE IRON GGG 40.6

COMPONENT DESCRIPTION

MATERIAL

Kv

VOLUME

BODY, 2 A4A DN

DUCTILE IRON GGG 40.3

28.6

1.61 L

ADAPTER, 2 A4A DN

DUCTILE IRON GGG 40.3

COVER BOTTOM, A4A/S4A 1-5/8 to 2-1/2 DUCTILE IRON GGG 40.3
BONNET A4W

DUCTILE IRON GGG 40.3

COMPONENT DESCRIPTION

MATERIAL

Kv

VOLUME

BODY, 2 A4A DN

DUCTILE IRON GGG 40.3

42.4

1.61 L

ADAPTER, 2 A4A DN

DUCTILE IRON GGG 40.3

COVER BOTTOM, A4A/S4A 1-5/8 to 2-1/2 DUCTILE IRON GGG 40.3
BONNET A4W

DUCTILE IRON GGG 40.3

COMPONENT DESCRIPTION

MATERIAL

Kv

VOLUME

BODY, 2-1/2 A4A DN

DUCTILE IRON GGG 40.3

60

3.19 L

ADAPTER, 3 A4A DN

DUCTILE IRON GGG 40.3

COVER BOTTOM,  3 A4A/S4A

DUCTILE IRON GGG 40.3

BONNET A4W

DUCTILE IRON GGG 40.3

COMPONENT DESCRIPTION

MATERIAL

Kv

VOLUME

BODY, 3  A4A DN

DUCTILE IRON GGG 40.3

86

3.91 L

ADAPTER, 3 A4A DN

DUCTILE IRON GGG 40.3

COVER BOTTOM, 3 A4A/S4A

DUCTILE IRON GGG 40.4

BONNET A4W

DUCTILE IRON GGG 40.3

COMPONENT DESCRIPTION

MATERIAL

Kv

VOLUME

BODY, 4 A4A DN

DUCTILE IRON GGG 40.3

116

6.5 L

ADAPTER, 4 A4A DN

DUCTILE IRON GGG 40.3

COVER BOTTOM,4 A4A/S4A

DUCTILE IRON GGG 40.4

BONNET A4W

DUCTILE IRON GGG 40.3

75 MM

1-1/4 IN

1-5/8 IN

2 IN

2-1/2 IN

3/4 & 1IN

 

20 & 25 

MM

100 MM

3 IN

4 IN

32 MM

40 MM

50 MM

65 MM

A4A BOLT-ON ADAPTER 1-1/4" TO 4"

Siz e

COMPONENT DESCRIPTION

M ATERIAL

1-1/4" - 4"

BOLT, ON ADAPTER 1-1/4 DN - 4 DN

DUCTILE IRON GGG 40.3

32 mm  - 100m m M ODUPLATE

AISI 1117 CRS

S6A SOLENOID

 COMPONENT 

DESCRIPTION

M ATERIAL

 

BODY, S6A  DN

AISI SS 304  BARSTOCK

SLEEVE, SOLENOID TUBE

AISI 1117 CRS BARSTOCK

TUBE SOLENOID, S6

SS  TUBING 304

A2D PILOT REGULATOR

 COMPONENT 

DESCRIPTION

M ATERIAL

BODY, A2D DN

DUCTILE IRON GGG 40.3

BONNET, A4W

DUCTILE IRON GGG 40.3

Содержание ADAPTOMODE A4AS-DN

Страница 1: ... C 50 F to 220 F Principles of Operation See Fig 1 The inlet pressure enters the space under the diaphragm through passage N When the force created by the pressure exceeds the force of the range spring the diaphragm is lifted off the pilot seat allowing pressure to enter on top of the power piston This causes the power piston to move downward forcing the modulating plug to open and modulate to mai...

Страница 2: ...ng the regulator function i e not regulating However in the wide open mode the regulator will still require the 0 14 bar 2 psi minimum pressure drop When the solenoid is de energized the valve functions as an Inlet Pressure Regulator Purpose The Type A4AB frequently is used with the wide open function where maximum refrigeration capacity from an evaporator is required During the defrost of the eva...

Страница 3: ...Refrigerating Specialties Division 3 BASIC ADAPTOMODE FUNCTIONS Fig 2 A4AZ Fig 3 A4AS Fig 4 A4AB Fig 5 A4AD ...

Страница 4: ...4A Regulators General Procedure The construction of the regulator and the method of disassembly are relatively simple but some procedures must be followed to avoid damage The following describes the procedure for the basic A4A special instructions for other types are included in other appropriate sections Disassembly Take care when removing Seal Caps 1 and 44 in case some refrigerant may be trappe...

Страница 5: ...e Port Pipe Plug 28 Adapter Body 29 Gasket Body 30 Piston Stem 31 Screw Body 32 Body 33 Throttling Plug Asm 34 Spring Closing 35 Dirt Wiper Retainer 36 Dirt Wiper 37 Seal Bottom Cap 38 Bottom Cap 39 Screw Bottom Cap 40 Packing Washer 41 Packing Ring 42 Stuffing Box Nut 43 Gasket Seal Cap 44 Seal Cap 45 Gasket Flange 46 Bolt Flange 47 Nut Flange 48 Pilot Body 49 Screw Pilot Body 50 O Ring 51 Moduda...

Страница 6: ...odular Solenoid Pilot Figs 10 and 12 This solenoid pilot may be mounted on either Pad 1 or 2 depending on the function desired see pages 2 and 3 Before working on any Fig 11 A2D2 A2D MODULAR PRESSURE PILOT A2D2 Port Sizes 20 50mm 3 4 2 A2D Port Sizes 65 100mm 2 4 1 2 3 4 5 6 11 8 9 10 12 13 14 15 16 17 18 19 48 49 50 solenoid pilot make sure the coil is de energized and will remain so during the s...

Страница 7: ...1 440 60 Yellow Red leads 0 39 0 13 1 115 50 Yellow Blue leads 1 22 0 21 1 230 50 Yellow leads 0 65 0 26 1 Other Contact Factory On transformer coil the 6 volt leads are always black Fig 12 S6A MODULAR SOLENOID PILOT A2D MODULAR PRESSURE PILOT MODUPLATE Safe Operation See also Bulletin RSBCV People doing any work on a refrigeration system must be qualified and completely familiar with the system a...

Страница 8: ...It Range D make sure has 2 open ruptured or badly deformed diaphragms Diaphragm follower stuck damaged or frozen Clean or replace Install follower carefully A4AS A4AB Modular Solenoid Pressure drop across valve too high over 21 bar 300 psig Lower pressure Pilot not opening drop Improper power supply Correct Replace solenoid coil Piston worn too much clearance Replace piston Check for reason If use...

Страница 9: ...Flange Pipe Size Socket I D Neck O D Number 2 Pkg O D I D Flge Pkg Pipe Size Pkg No Socket Weld No 2 Pkg mm Inches Inches 2 Pkg Inches NW No Inches mm Inches mm Weld Neck Inches mm Inches mm 20 3 4 3 4 200016 3 4 20 1 070 27 81 1 050 26 67 200020 200023 1 1 8 28 57 1 130 28 70 200027 and and 1 200017 1 25 1 365 34 67 1 315 33 40 200021 200024 1 3 8 34 92 1 380 33 05 200028 25 1 1 1 4 200018 1 1 4 ...

Страница 10: ...G 40 3 42 4 1 61 L ADAPTER 2 A4A DN DUCTILE IRON GGG 40 3 COVER BOTTOM A4A S4A 1 5 8 to 2 1 2 DUCTILE IRON GGG 40 3 BONNET A4W DUCTILE IRON GGG 40 3 COMPONENT DESCRIPTION MATERIAL Kv VOLUME BODY 2 1 2 A4A DN DUCTILE IRON GGG 40 3 60 3 19 L ADAPTER 3 A4A DN DUCTILE IRON GGG 40 3 COVER BOTTOM 3 A4A S4A DUCTILE IRON GGG 40 3 BONNET A4W DUCTILE IRON GGG 40 3 COMPONENT DESCRIPTION MATERIAL Kv VOLUME BO...

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