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Application

HYR 2-815 Series Regulator is designed for to use commercial place such as restaurant business, hotel, school, public building or factory etc to supply natural gas.

It is suit for boiler or burning equipment device, small & medium device regulator.

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Character

It is easy to install (verticality and horizontality connecting pipe, Case rotate attachment)

Can choice proper orifice according to first stage pressure and capacity.

Orifice, Seat disc etc replacement and maintain is possible without disconnecting regulator body to pipe.

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Specifications

Inlet Pressure range

0.015~0.99 MPa

Outlet Pressure range

1.6~45.0kPa(160~4500mmH2O)

Relief valve Setting Pressure

3.2~67.0kPa(320~6700mmH2O)

OPSO Setting Pressure

3.0~70.0kPa(300~7000mmH2O)

Max. capacity

Refer to detailed specification

Connection Size

50A-10K flange(Rf type)

Model

Type

HYR 2-815

built-in relief valve, OPSO

HYR 2-815 OPSO

With OPSO

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Capacity Table

HYR 2-815 Series Capacity table is indicating inlet pressure changing and capacity fluctuation according to orifice size. Standard object is natural gas.

(gravity=0.6, standard state N ㎥/hr)

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HYR 2-815 OPSO Regulator Construction

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SPRING

Adjusting Spring

Spring No.

Pressure Range

Color

Ms 2815

1.6~2.6kPa

Green

Ms 2815-15

10~18kPa

White

Ms 2815-25

16~30kPa

Biue

Ms 2815-40

28~45kPa

Yello

OPSO Spring

Spring No.

Pressure Range

Color

Os 81

3.0~4.8kPa

Green

Os 81-15

20~27kPa

White

Os 81-25

33~45kPa

Biue

Os 81-40

52~70kPa

Yello

Relief valve Spring

Spring No.

Pressure Range

Color

Rs 215

P2+1.2~2.8kPa

Green

Rs 215-15

P2+4.0~9.0kPa

White

Rs 215-25

P2+10.0~15.0kPa

Biue

Rs 215-40

P2+12.0~27.0kPa

Yello

Unit : mmH20

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Regulator abnormality cause and settlement

1) Outlet part second pressure is drop

1) Cause

Orifice size is small against to using capacity

Gas supply is interrupted due to block gas filter

Diaphragm is expanded due to long time using

OPSO is locked up

2) Settlement

Replace suitable orifice according to using capacity

Disassembly gas filter and cleaning inside

Disassembly case and replace diaphragm

Block inlet & outlet valve and release gas. And then, restore OPSO.

2) Outlet part second pressure is increasing

1) Cause

Lock-up condition is bad due to valve seat or orifice wear, crack etc

First stage inlet pressure is applied toward OPSO because of OPSO Shaft O-ring damage

Assembly lever linked diaphragm operation is not good

Volume changing is happen due to temperature

First stage inlet pressure is applied due to orifice sealing condition

2) Settlement

Disconnecting case from pipe and replace valve seat and orifice

Disconnecting OPSO from pipe and replace shaft O-ring

Disassembly case and replace Assembly lever

Keeping warm the expose pipe

Re-assembly orifice sealing by sealing materials

3) In case of regulator hunting

1) Cause

Orifice size is too much big against to capacity and pressure

First stage pressure is unstabilized

Inflow contamination materials or humidity to inside of second stage pipe

Happening spring and diaphragm deformation due to long time use

Large volume of gas is instantaneously & repeatedly flow and cut off.

2) Settlement

Replace suitable orifice according to using capacity and pressure

Disassembly and inspect filter

Remove inside of contamination materials and humidity

Disassembly case and inspect and then replace spring and diaphragm

Secure sufficient second stage pipe volume