Hansen HA4A Specifications, Applications, Service Instructions & Parts
Modular pressure regulators 3/4" through 6" port (20mm through 150mm)
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HA4AB Regulator with Electric Wide Opening
INTRODUCTION
These advanced-design, strong-bodied, precision-
manufactured MODULAR regulators are superior in their
ability to overcome dirt and sticky oil during opening
and tight closing. Models are available for nearly every
control function requirement of industrial ammonia and
commercial halocarbon refrigeration. These regulators
are ideal for cold storage plants, poultry plants, meat
packing, fish processing, freezers, ice plants, breweries,
bottling plants, heat recovery units, petrochemical
plants, pharmaceutical plants, supermarkets, and many
others.
APPLICATIONS
Evaporator Pressure Control
Defrost Pressure Control
Condensing Pressure Regulation
Receiver Pressure Control
Hot Gas Bypass Capacity Regulation
Suction Pressure Control
Air or Liquid Temperature Regulation
Internal System Pressure Relief
Specifications, Applications,
Service Instructions & Parts
HA4A MODULAR
PRESSURE REGULATORS
¾" THROUGH 6" PORT
(20MM THROUGH 150MM)
Various Connection
Styles and Sizes
for Refrigerants
KEY FEATURES
MODULAR PILOTS
HERE
1/4'' NPT
GAUGE PORT
STRONG
DUCTILE
DUCTILE
IRON BODY
RELIABLE
TEFLON SEAT
ADDITIONAL FEATURES
Tolerant of Dry Systems
For Ammonia, R22, R134a and other Hansen-
Approved Refrigerants
Wide Range of Options
Inlet, Outlet, or Differential Pressure
Wide Pressure Ranges
Electric Shut-Off, Dual, or Wide-Opening Available
Safe Working Pressure: 400 psig (28 bar g)
CSA Certified, CRN for Canada
Weld-In-Line Available; Contact Factory
Contents
Bulletin R429d
AUG 2015
MANUAL OPENING
STEM
DIRT WIPING
DISC-PISTON
V-PORT
MODULATION
STAINLESS STEEL
SPRING
Page
3
4-5
6
7
8-11
12-13
14-18
19
20
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Table of Contents
Related Manuals for Hansen HA4A
Summary of Contents for Hansen HA4A
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Page 1: Table Of Contents
Tolerant of Dry Systems and tight closing. Models are available for nearly every For Ammonia, R22, R134a and other Hansen- control function requirement of industrial ammonia and Approved Refrigerants commercial halocarbon refrigeration. These regulators... - Page 2 (3.1 bar g), special construction may be required. Contact with gasket. the factory. Hansen long life Beacon Pilot Lights are available. They incorporate a totally encapsulated, unique secondary wound coil and LED light in a compact disc. These pilot lights require no additional wiring.
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Page 3: Regulator Variations
REGULATOR VARIATIONS HA4A STANDARD REGULATOR HA4AO OUTLET PRESSURE REGULATOR This most common pressure regulator Controls outlet pressure by opening modulates to control evaporator pressure, as downstream pressure falls below condensing pressure, pressure in a t h e s e t p o i n t . U s e d fo r h o t g a s to... -
Page 4: Capacities
SUCTION VAPOR CAPACITIES (TONS) (1 Ton=12,000 Btu/hr=3.517 kW=3042 kcal/hr) R717 PRESSURE PORT DROP EVAPORATING TEMPERATURE EVAPORATING TEMPERATURE SIZE (Kv) ACROSS (mm) –40ºF† –20ºF† 0ºF +20ºF +40ºF –40ºF† –20ºF† 0ºF +20ºF +40ºF VALVE‡ (–40ºC) (–28.9ºC) (–17.8ºC) (–6.7ºC) (+4.4ºC) (–40ºC) (–28.9ºC) (–17.8ºC) (–6.7ºC) (+4.4ºC) 2 psi... - Page 5 LIQUID CAPACITIES (U.S. GPM) OIL CAPACITIES (U.S. GPM) APPLICATION: REFRIGERANT PUMP RELIEF APPLICATION: SCREW COMPRESSOR OIL PUMP REGULATOR (HA4AL) RELIEF REGULATOR (HA4AL) R717 PORT SIZE PORT SIZE ΔP=30 psi ΔP=30 psi ΔP=30 psi (mm) (mm) (2 bar g) (2 bar g) (2 bar g) ¾"...
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Page 6: Control Modules (Pilots)
CONTROL MODULES (PILOTS) FOR ANY REGULATOR When installed, these control modules (pilots) enable RESEATING RELIEF the main regulator to perform different control functions Opens wide when pressure exceeds (see page 3, Regulator Variations). Pilots are normally pressure setting and repeatedly reseats factory installed, but can be retrofitted or interchanged after operation. -
Page 7: Main Regulators Only (Ar1, Ar3)
MAIN REGULATORS ONLY (AR1, AR3) Hansen regulators are normally furnished with control ¾" through 6" ¾" through 4" (20 mm through (20 mm through modules (pilots) installed and tested (see page 3). 150 mm) 100 mm) However, modular regulators less pilots and flanges are available on order from ¾"... -
Page 8: Operation And Adjustment
HA4AK RESEATING RELIEF REGULATOR OPERATION CONTROL MODULE STEM CONTROL MODULE (Same as HA4A) Inlet pressure is channeled through M3W (OR M3) PILOT RANGE SPRING the internal equalization passage to the reseating relief control module. When inlet pressure exceeds the relief... - Page 9 OPERATION MS PILOT module and operates W h e n t h e s o l e n o i d in the same manner as the HA4A regulator. When inlet M3W PILOT control module is de- (OR OTHER) pressure rises above the higher setting, the control...
- Page 10 This standard electronic control package Disconnect the air line to the M3P control module consists of a controller, controller base, sensor, and follow the adjustment procedures for the HA4A and transformer. Standard Regulator. See page 9. This sets the low This control package includes the standard inlet pressure setting for the regulator.
- Page 11 HA4AM ELECTRIC MOTOR COMPENSATED REGULATOR OPERATION The regulator pressure setting is altered as the motor The basic Electric Motor Compensated Regulator receives a signal from a suitable temperature controller. consists of a nonremovable control module with a motor The motor responds to maintain the balance in the bracket and cam.
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Page 12: Installation Dimensions
INSTALLATION DIMENSIONS (mm) ¾" THROUGH 1¼" REGULATORS 1½" THROUGH 4" REGULATORS 3 PORT ADAPTER 3 PORT ADAPTER M = Additional length for close-coupled strainer PORT SIZE (mm) FPT,SW WN,ODS ¾", 1", 1¼" 3.09" 6.77" 3.75" 4.63" 8.20" 8.94" 6.19" 2.38" 4.07"... - Page 13 INSTALLATION DIMENSIONS (mm) 5" AND 6" REGULATORS 12.75'' (324) ( See page 8.) 20.00'' (508) 16.58'' (421) HANSEN 6.40'' (163) 20.40'' (518) WELD END DIMENSIONS (mm) PORT SIZE A DIA 5" 5.05" 0.26" (125) (128) (6.6) 6" 6.06" 0.28" (150) (154) (7.1)
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Page 14: Parts List
PARTS LIST CONTROL MODULES M3, M3K, M3L, M3P QTY PART NO SEAL CAP ITEM DESCRIPTION (75-0798) Diaphragm/Gasket Kit 75-1107 (M3, M3K, M3L, M3P) Above kit consists of: Diaphram 75-0716 Lower Gasket (thick) 75-0426 Upper Gasket (thin) 75-0636 M3L, M3P Follower O-ring 75-0337 ONLY Fiber Washer... - Page 15 PARTS LIST ¾" THROUGH 1¼" (20mm THROUGH 32mm) ITEM DESCRIPTION QTY PART NO ITEM DESCRIPTION QTY PART NO Piston Kit 75-1019 Gasket Kit 75-1023 V-Port/Seal Kit 3/4" * 75-1020 V-Port/Seal Kit 1" * 75-1021 V-Port/Seal Kit 1-1/4" * 75-1022 Above kits consist of: *HA4AK AND HA4AO V-PORT/SEAT KITS DESCRIPTION PART NO...
- Page 16 PARTS LIST 1½" THROUGH 4" (40mm THROUGH 100mm) ITEM DESCRIPTION QTY PART NO ITEM DESCRIPTION QTY PART NO Piston Kit 1-1/2", 2" 75-1025 Gasket Kit 1-1/2", 2" 75-1039 Piston Kit 2-1/2" 75-1026 Gasket Kit 2-1/2" 75-1040 Piston Kit 3" 75-1027 Gasket Kit 3"...
- Page 17 PARTS LIST 1½" THROUGH 4" (40mm THROUGH 100mm) R429d AUG 2015...
- Page 18 PARTS LIST 5" AND 6" (125mm AND 150mm) PORT FOR SERIES CONNECTION (AS) PLUG HERE FOR SERIES CONNECTION (PART #75-0694) PORT FOR PARALLEL CONNECTION (AD, AB) INLET GAUGE PORT ITEM DESCRIPTION QTY PART NO ITEM DESCRIPTION QTY PART NO Piston Kit 75-1110 V-Port/Seat Kit 5"...
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Page 19: Service And Maintenance, Abbreviations
SERVICE AND MAINTENANCE not “twist” during installation. These valves also have a removable stainless steel main valve seat. To remove Failure to open: Wrong coil or control module pilot; seat ring for inspection, first remove small hex head seat low line voltage; controlling switch or thermostat not screw. -
Page 20: Ordering Information, Conversions
CAUTION with disc-type pistons having Teflon seals, manual- opening stems, equipped with removable pilot modules, Hansen valves are for refrigeration systems only. These Teflon main seats and stainless steel pilot trim and instructions must be completely read and understood optional, close-coupled inlet strainers, as manufactured before selecting, using or servicing Hansen valves and by Hansen Technologies Corporation or approved equal.”...