Parker A4AP-DN Bulletin Download Page 7

7

Refrigerating Specialties Division

Warranty

All Refrigerating Specialties products are warranted
against defects in workmanship and materials for a
period of one year from date of shipment from originat-
ing factory.  This warranty is in force only when prod-
ucts are properly installed, field assembled, maintained,
and operated in use and service as specifically stated
in Refrigerating Specialties Catalogs or Bulletins for
normal refrigeration applications, unless otherwise
approved in writing by Refrigerating Specialties Com-
pany.  Defective products, or parts thereof returned to
the factory with transportation charges prepaid and
found to be defective by factory inspection will be
replaced or repaired at Refrigerating Specialties option,
free of charge F.O.B. factory.  Warranty does not cover

products which have been altered, or repaired in the
field; damaged in transit, accidents, misuse, or abuse.
Products disabled by dirt or other foreign substances
will not be considered defective.

The express warranty above constitutes the only
warranty of Refrigerating Specialties products, and is in
lieu of all other warranties, expressed or implied, written
or oral, including any warranty of merchantability or
warranty of fitness for a particular purpose and in no
event is Refrigerating Specialties responsible for any
consequential damages of any nature whatsoever.  No
employee, agent, dealer or other person is authorized to
give any warranties on behalf of Refrigerating Special-
ties nor to assume for Refrigerating Specialties any
other liability in connection with any of its products.

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 D Y ,S 6A (R E G U LA R M A TL)

D U C TILE IR O 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

Summary of Contents for A4AP-DN

Page 1: ...wn to match a varying load condition A 1 psi increase in air pressure will increase the set point by 1 psi for the A4AP and 3 psi for the A4A3P Generally the pnuematic controller modulates the air pre...

Page 2: ...ncrease in refrigerant inlet pres sure above the varying set point pressure setting lifts the diaphragm further allowing more pressure on top of the power piston and opening the valve wider A decrease...

Page 3: ...s to stretch or align pipe Even the heavy duty body of an A4A can be distorted causing the precision parts to bind The regulator should be installed in a location where it is easily accessible for adj...

Page 4: ...ches or corrosion If the diaphragm cannot be easily wiped clean it should be replaced Reassemble the regulator following the General Procedure Maintenance and Service GeneralProcedure Dirt in the syst...

Page 5: ...due to excess dirt or damaged Clean or replace If used on liquid check for erosion due to excessive flash gas by subcooling or by reducing pressure drop across valve by providing restriction at valve...

Page 6: ...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...

Page 7: ...ONTAINING 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 BONN...

Page 8: ...1 12 2 359 14 1 G A4P A4L 244 9 6 248 9 8 287 11 3 302 11 9 324 12 8 361 14 2 A43P 266 10 5 270 10 7 308 12 2 324 12 8 347 13 7 384 15 1 H 117 4 6 117 4 6 140 5 5 159 6 2 176 7 0 222 8 8 J 98 3 9 178...

Reviews: