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Refrigerating Specialties Division

12

WARNING

!

FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF
THE PRODUCTS AND/OR SYSTEMS DESCRIBED HEREIN OR
RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND
PROPERTY DAMAGE.

This document and other infor mation from Parker Hannifin
Corporation, its subsidiaries and authorized distributors provide
product and/or system options for further investigation by users having
technical expertise.  It is important that you analyze all aspects of
your application and review the information concerning the product

or system in the current product catalog.  Due to the variety of
operating conditions and applications for these products or systems,
the user through its own analysis and testing, is solely responsible
for making the final selection of the products and systems and
assuring that all performance, safety and warning requirements of
the application are met.

The products described herein, including without limitation, product
features, specifications, designs, availability and pricing, are subject
to change by Parker Hannifin Corporation and its subsidiaries at any
time without notice.

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

Содержание A4W Series

Страница 1: ...Series of regulators uses the same Modules as does the A4A Series to configure many possible variations Fig 1 A4W A4WE SEAL CAP ADJUSTING STEM RANGE SPRING DIAPHRAGM GAUGE CONNECTION MODULATING PLUG P...

Страница 2: ...are concerned See Figs 7 and 8 Type A4WE See Fig 1 Description The Type A4WE is the same as a Type A4W except that the upstream or remote pressure must be field connected to the valve at the gauge con...

Страница 3: ...e for the A4WB except that instead of operating in a wide open position when the pilot solenoid is energized the regulator is controlling at some pre set level Typical uses include capacity control of...

Страница 4: ...nt pressure rise in a suction main or to prevent too low a plant suction pressure by putting an artificial load on the main from a higher pressure source Principles of Operation The outlet pressure is...

Страница 5: ...d by the resistance method as high as 130 deg C 266 deg F Final coil temperatures are a function of both fluid and ambient temperatures The higher fluid temperatures require lower ambient temperatures...

Страница 6: ...frigerating Specialties Division 6 Fig 8 Fig 9 S6A Pilot 34 31 32 36 33 35 37B 37A 37 38 39 40 41 42 30 For replacement parts and prices consult PARTS KITS LIST PRICE SCHEDULE INDUSTRIAL AND FLO CON P...

Страница 7: ...could be caused by an oversized regulator chattering as it attempts to control a load far less than its capacity If either the Seal Ring or the Piston is damaged they should be replaced and the cause...

Страница 8: ...is installed bowed toward the Diaphragm Follower 47 and Range Spring 49 That is the center of the Diaphragm is higher than its perimeter Before installing the Bonnet 51 be sure that the Adjusting Stem...

Страница 9: ...ssary that certain precautions be taken to avoid damage which could result from liquid expansion Temperature increase in a piping section full of solid liquid will cause high pressure due to the expan...

Страница 10: ...00 438 17 25 H 267 10 50 318 12 50 381 15 00 K 100 4 00 100 4 00 100 4 00 L 140 5 50 140 5 50 140 5 50 A4W A4WE A4WP A4WR A4WOE A4WB A4WS A4WD Dimensions A C G A G D A B G H E NOTE Allow 75mm 3 overh...

Страница 11: ...C AS T STEE L SE AL C AP A4A S4A 380 A STM SC 84B A LU M I NU M S EA L CA P A4W S9W 5 8 BAR R D 2 000 ALU M 2011 T3 B O D Y 5 8 A4W ASTM A352 LC B CA ST S TE EL CO VE R BO TM R SW 5 8 D UCTI LE I RO...

Страница 12: ...oduct or system in the current product catalog Due to the variety of operating conditions and applications for these products or systems the user through its own analysis and testing is solely respons...

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