Emerson HSR Instruction Manual

Instruction Manual
Form 5753

February 2014

Type HSR

Type HSR Pressure Reducing Regulator for
Residential, Commercial or Industrial Applications

P1524 P1275

TYPE HSR ANGLE BODY TYPE HSR STRAIGHT

Figure 1. Type HSR Pressure Reducing Regulator

WARNING

!

Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion

and/or  re causing property damage and

personal injury or death.

Fisher® regulators must be installed,
operated and maintained in accordance
with federal, state and local codes, rules
and regulations and Emerson Process
Management Regulator Technologies,
Inc. instructions.

If the regulator vents gas or a leak
develops in the system, service to the unit
may be required.

Failure to correct trouble could result in a
hazardous condition.

Call a gas service person to service the

unit. Only a quali ed person shall install

or service the regulator.

Introduction

Scope of the Manual

This manual provides instructions for the installation,
adjustment, maintenance and parts ordering
information for the Type HSR residential and/or
industrial/commercial pressure regulator.

Description

The Type HSR direct-operated, spring-loaded regulators
with internal relief provide economical pressure
reducing control in a variety of residential, commercial
and industrial applications. These regulators can be

used with natural, manufactured or lique ed petroleum

gases. In addition, the Type HSR regulator has
internal relief across the diaphragm to help minimize
overpressure. Any outlet pressure above the start-to­discharge point of the nonadjustable relief valve spring
moves the diaphragm off the relief valve seat, allowing
excess pressure to bleed out through the screened
spring case vent.

www.fisherregulators.com

D103074X012

Type HSR

Specications

This section lists the specications of Type HSR. Factory specication such as type number, orice size, spring range and date

of manufacture are stamped on the nameplate fastened on the regulator at the factory.

Body Sizes (Inlet x Outlet) and
End Connection Styles

3/4, 3/4 x 1 and 1 NPT
All sizes available in Globe or Angle body.

Allowable Inlet Pressures

(1)

Emergency: 150 psig / 10.3 bar
Maximum Operating Pressure: See Table 1

Allowable Outlet Pressures

(1)

Emergency (Casing): 25 psig / 1.7 bar
Maximum Operating Pressure to Avoid Internal
Parts Damage: 3 psi / 0.21 bar differential above outlet

pressure setting

Outlet Pressure Ranges

See Table 2

Spring Case Vent Connection

Standard: 1 NPT with removable screen
Optional: 3/4 NPT with removable screen

Flow and Sizing Coefcients

See Table 4

Temperature Capabilities

-20 to 160°F / -29 to 71°C

1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.

Internal Relief Performance

Approximate Internal Relief Start-To-Discharge Point:

6 to 12 inches w.c. / 15 to 30 mbar above outlet pressure
setting (Applies to 6 to 8 inches w.c. / 15 to 20 mbar and
8 to 10 inches w.c. / 20 to 25 mbar springs only.)

Relief Performance: See Figures 4 and 5

Lockup Performance During Normal Operation

ORIFICE SIZE LOCKUP ABOVE SETPOINT

Inch mm Inch w.c. mbar

1/8

3/16

1/4
3/8
1/2

Pressure Setting Adjustment

Adjusting Screw

Pressure Registration

Internal

Approximate Weight

4 pounds / 2 kg

Designed, Tested and Evaluated Consistent With:

ANSI B109.4 / CSA 6.18

Table 1. Maximum Operating Inlet Pressure

ORIFICE SIZE

Inch mm

1/8

3/16

1/4
3/8
1/2

3.2

4.8

6.4

9.5
13

WIDE-OPEN Cg

FOR RELIEF SIZING

12.5

28.2

50.0
105
185

MAXIMUM OPERATING INLET PRESSURE TO OBTAIN

GOOD REGULATING PERFORMANCE

3.2

4.8

6.4

9.5
13

psig

125
100

60
30
20

2.5

1
1
2

3

2
2
5
6
7

bar

8.6

6.9

4.1

2.1

1.4

Table 2. Outlet Pressure Ranges

OUTLET PRESSURE RANGE
Inch w.c. mbar Inch mm Inch mm

4 to 6 10 to 15 T14398T0012 Orange Black 0.062 1.57 3.40 86.4

6 to 8 15 to 20 T14399T0012 Yellow Black 0.067 1.70 3.61 91.4

8 to 10 20 to 25 T14405T0012 Black Black 0.067 1.70 3.71 94.0

10 to 12.5 25 to 31 T14400T0012 Silver Black 0.072 1.83 4.10 104

12.5 to 20 31 to 50 T14401T0012 Gray Black 0.080 2.03 3.60 91.4

20 to 35 50 to 87 T14402T0012 Pink Black 0.093 2.36 3.52 88.9

1.25 to 2.2 psig 0.09 to 0.15 bar T14403T0012 Light Blue Red 0.105 2.67 3.66 94.0

SPRING

PART NUMBER

SPRING

COLOR

STANDARD CLOSING

CAP COLOR

SPRING WIRE DIAMETER SPRING FREE LENGTH

Table 3. Relief Performance

ORIFICE SIZE MAXIMUM ALLOWABLE INLET PRESSURE IF OUTLET PRESSURE IS HELD AT OR BELOW 2 psig / 140 mbar

Inch mm psig bar

1/8 3.2 125 8.6

3/16 4.8 65 4.5

1/4 6.4 30 2.1

3/8 9.5 10 0.69

1/2 13 7 0.48

1. The relief performance testing is in accordance with ANSI B109.4 and CGA 6.18, with the regulator set at 7-inch w.c. / 17 mbar, stem linkage disconnected and vented directly to
atmosphere using the 3/4 or 1-inch / 19 or 25 mm vent.

2

Type HSR

UPPER SPRING
CASE

STEM

VALVE DISK

ORIFICE

LEVER

PUSHER
POST

RELIEF VALVE
SPRING

CONTROL (MAIN)

SPRING

UPPER SPRING
CASE

STEM

VALVE DISK

LEVER

ORIFICE

E0908

INLET PRESSURE

OUTLET PRESSURE

ATMOSPHERIC PRESSURE

Principle of Operation

Figure 2. Type HSR Pressure Regulator Operational Schematic

Refer to Figure 2. When downstream demand decreases,
the pressure under the diaphragm increases. This pressure
overcomes the regulator setting (which is set by a spring).
Through the action of the pusher post assembly, lever and

stem, the valve disk moves closer to the orice and reduces
gas ow. If demand downstream increases, pressure under

the diaphragm decreases.

Spring force pushes the pusher post assembly downward and

the lever, stem and valve disk move away from the orice.

The Type HSR regulators include an internal relief valve
for overpressure protection. If the downstream pressure
exceeds the regulator setting by 7-inch w.c. to 1.25 psig /
17 to 86 mbar, depending on the main spring used, the relief
valve opens and excess gas escapes through the vent in the

upper spring case.

Installation

CONTROL (MAIN)

SPRING

RELIEF VALVE
SPRING

PUSHER
POST

To avoid such injury or damage, provide
pressure-relieving or pressure-limiting
devices (as required by the appropriate code,
regulation or standard) to prevent service
conditions from exceeding those limits.

Additionally, physical damage to a regulator
could cause personal injury and property
damage due to escaping gas. To avoid such
injury and damage, install the regulator in a
safe location.

A regulator may vent some gas to the

atmosphere in hazardous or ammable gas

service, vented gas might accumulate and
cause personal injury, death or property

damage due to re or explosion. Vent a

regulator in hazardous gas service to a
remote, safe location away from air intakes or
any hazardous location. The vent line must be

protected against condensation or clogging.

WARNING

!

Personal injury, equipment damage or
leakage due to escaping gas or bursting of
pressure-containing parts might result if these
regulators are overpressured or installed
where service conditions could exceed the
limits for which the regulators were designed
or where conditions exceed any ratings of
the adjacent piping or piping connections.

Before installing the regulator, check for damage which might
have occurred in shipment. Also check for dirt or foreign
matter which may have accumulated in the regulator body or
in the pipeline. Apply pipe compound to the external threads

of the pipeline and install the regulator so that the ow is in

the direction of the arrow cast on the side of the body. The
diaphragm actuator assembly can be rotated to any position
relative to the body, in 90° increments. Remove the two cap

screws (key 17) that hold the body to the actuator in order
to rotate the diaphragm actuator assembly.

3