ДСТУ EN 16129:2022 Регулятори тиску, пристрої автоматичного перемикання, що мають максимальний регульований тиск 4 бари, з максимальною продуктивністю 150 кг/год, відповідні пристрої безпеки та адаптери для б...

ДСТУ EN 16129:2022
(EN 16129:2013, IDT)

Регулятори тиску, пристрої автоматичного перемикання, що мають максимальний регульований тиск 4 bar, з максимальною продуктивністю 150 kg/h, відповідні пристрої безпеки та адаптери для бутану, пропану та їх сумішей

 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

1 Scope

2 Normative references

3 Terms and definitions

3.1 General terms and definitions

3.2 Terms and definitions concerning gas

3.3 Terms and definitions concerning pressures

3.4 Terms and definitions concerning flow rates

4 Types of regulating devices

4.1 Introduction

4.2 Regulating device with a nominal regulated pressure specified by EN 437

4.3 Other regulating devices

5 Constructional characteristics

5.1 General

5.2 Materials

5.3 Special requirements

5.3.1 Pressure sensing subassembly (regulating devices only)

5.3.2 Regulation subassembly (regulating devices only)

5.3.3 Back pressure subassembly (regulating devices only)

5.3.4 Connection subassembly

5.3.5 Change over devices

5.4 Mechanical strength

5.4.1 Resistance to impact

5.4.2 Resistance to pressure

5.4.3 Strength of connections

5.5 Soundness

5.6 Mechanical endurance

5.6.1 Regulators

5.6.2 Automatic change over devices

5.6.3 Devices fitted with a manual closing device

5.6.4 Quick coupling device

5.6.5 Device with freely rotating outlet connection

5.7 Resistance to humidity changes

5.8 Resistance to corrosion

6 Performance characteristics

6.1 General

6.2 Regulators

6.2.1 Supply and regulated pressures for regulators to be used on installations where the final pressure is to EN 437

6.2.2 Supply and regulated pressures for fixed or adjustable regulators to be used on installations where the final pressure is not to EN 437

6.2.3 Variable regulators

6.3 Automatic change over devices

6.3.1 Supply and regulated pressures for automatic change over devices to be used on installations where the final pressure is to EN 437

6.3.2 Supply and regulated pressures for fixed or adjustable automatic change over devices to be used on installations where the final pressure is not to EN 437

6.3.3 Automatic change over device with integral variable regulator

6.3.4 Change over pressure

6.4 Adaptors

7 Test methods

7.1 General conditions

7.1.1 Type of test gas

7.1.2 Test conditions

7.1.3 Equivalence formulas

7.1.4 Test samples

7.2 Verification of constructional characteristics

7.2.1 Resistance to impact

7.2.2 Resistance to pressure

7.2.3 Mechanical strength of connections

7.2.4 Valve pad retention

7.2.5 Soundness

7.2.6 Mechanical endurance

7.2.7 Resistance to humidity changes

7.2.8 Resistance to corrosion

7.3 Verification of performance characteristics

7.3.1 General

7.3.2 Plotting of the performance curves for regulating devices

7.3.3 Performances of adaptors

7.3.4 Verification of first stage pressure for G.56 connection regulating devices

7.3.5 Soundness of the non return valve

8 Marking, packaging, instructions

8.1 General

8.2 Marking of the device

8.3 Packaging

8.4 Instructions for installation, use and maintenance

Annex A (normative) Special requirements for devices fitted with pressure or flow rate operated safety functions

A.1 Regulating devices fitted with an over-pressure relief valve of a limited flow rate (PRV)

A.1.1 Definition

A.1.2 Constructional characteristics

A.1.3 Performance characteristics

A.1.4 Test methods

A.1.5 Regulating device marking

A.1.6 Instructions

A.2 Regulating devices fitted with an over-pressure shut off safety device (OPSO)

A.2.1 Definition

A.2.2 Constructional characteristics

A.2.3 Performance characteristics

A.2.4 Test methods

A.2.5 Regulating device marking

A.2.6 Instructions

A.3 Regulating devices fitted with an under-pressure shut off safety device (UPSO)

A.3.1 Definition

A.3.2 Constructional and performance characteristics

A.3.3 Test methods

A.3.4 Regulating device marking

A.3.5 Instructions

A.4 Regulating devices fitted with an excess flow valve (EFV)

A.4.1 Definition

A.4.2 Performance characteristics

A.4.3 Test methods

A.4.4 Regulating device marking

A.4.5 Instructions

A.5 Regulating devices fitted with a regulated outlet pressure limiter

A.5.1 Definition

A.5.2 Constructional and performance characteristics

A.5.3 Test method

A.5.4 Marking

A.5.5 Instructions

A.6 Two stage pressure limiting regulating device

A.6.1 Description

A.6.2 Constructional and performance characteristics

A.6.3 Test methods

A.6.4 Marking

A.6.5 Instructions

A.7 Additional diaphragm

A.7.1 Description

A.7.2 Constructional and performance characteristics

A.7.3 Performance characteristics

A.7.4 Test methods

A.7.5 Marking

A.7.6 Instructions

Annex B (normative) Special requirements for devices fitted with a thermal shut off system

B.1 Thermal shut off valve

B.1.1 Definition

B.1.2 Constructional characteristics

B.1.3 Performance characteristics

B.1.4 Test methods

B.1.5 Marking

B.1.6 Instructions

B.2 Thermal spindle on devices for self closing valve connection

B.2.1 Definition

B.2.2 Constructional characteristics

B.2.3 Performance characteristics

B.2.4 Test methods

B.2.5 Marking

B.2.6 Instructions

Annex C (normative) Special requirements for devices under extreme temperature conditions (temperatures below -20 °C)

C.1 Scope

C.2 Requirements

C.2.1 Material

C.2.2 Extreme temperature test

C.3 Conditioning

C.4 Marking

C.5 Instructions

Annex D (normative) Regulating devices for gas cylinders to supply appliances installed in caravans, motor caravans or freshwater boats

D.1 Scope

D.2 Installations and connections

D.3 Pressures and flow rate

D.4 Pressure safety functions

D.5 Automatic change over system ("kit")

D.6 Resistance to vibration

D.7 Marking

D.8 Instructions

Annex E (normative) Complementary test requirements for non-metallic thermoplastic or thermal setting materials used in the construction of devices

E.1 Scope

E.2 Materials

E.3 Special requirements

E.3.1 Accelerated ageing

E.3.2 Resistance to hydrocarbons

E.3.3 Resistance to cracking under stress and when chemical agents are present

E.3.4 Characteristics relating to fire resistance

E.4 Special conditions for carrying out the tests mentioned in the body of the standard

E.4.1 Resistance to impact (see 5.4.1 and 7.2.1)

E.4.2 Mechanical resistance of connections (see 5.4.3 and 7.2.3)

E.4.3 Soundness (see 5.5 and 7.2.5)

E.5 Sampling and order of tests

Annex F (normative) Requirements for elastomeric reinforced diaphragms

Annex G (normative) Inlet connections

Annex H (normative) Outlet connections

Annex I (informative) Test method for resistance to corrosion

I.1 Principle

I.2 Reagents

I.2.1 Saline solution

I.2.2 Compressed air

I.2.3 Salt mist

I.3 Apparatus

I.4 Test method

I.4.1 Method of exposure of devices

I.4.2 Duration of tests

I.4.3 Checks

I.4.4 Cleaning of devices

I.5 Results

Annex J (informative) Method for measuring leaks

J.1 Scope

J.2 Diagram of the test bench

J.3 Coefficient K

J.3.1 Method

J.3.2 Calculations

J.4 Measurement of the leak

J.4.1 Method

J.4.2 Calculations

J.5 Checks

Annex K (normative) Special requirements for low pressure fixed regulators fitted with two or three outlets for outdoor use

K.1 Scope

K.2 Constructional characteristics

K.3 Performance characteristics

K.4 Test methods

K.4.1 Test on the shut off devices

K.4.1.1 Soundness test

K.4.1.2 Endurance test

K.4.2 Performance test

K.4.2.1 Test conditions

K.4.2.2 Regulator with two outlets (marked A and B)

K.4.2.3 Regulator with three outlets

K.5 Marking

K.6 Instructions

Annex L (normative) Special requirements for regulators fitted with an inlet valve

L.1 Scope

L.2 Definition

L.3 Constructional characteristics

L.4 Performance characteristics: mechanical strength

L.5 Test methods

Annex M (normative) Devices for gas cylinders to supply appliances installed in seawater boats

M.1 Scope

M.2 General

M.3 Maximum guaranteed flow rate

M.4 Regulating devices fitted with a pressure relief valve

M.5 Vent

M.6 Connections

M.7 Material

M.8 Corrosion

M.8.1 General

M.8.2 Corrosion requirement

M.8.3 Corrosion test method

M.9 Marking

M.10 Instructions for use and maintenance

Annex N (normative) Alternative possible seal

N.1 Scope

N.2 Dimensions

N.3 Materials

N.4 Markings

Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2009/142/EC (for pressure regulators only)

Bibliography