Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m³/h - Low and medium pressure (3rd family gases) Ingestion-build-81111 If such intervals are not

If such intervals are not defined by the manufacturer

DD 8788 supports the immediate needs of learning and skills organizations within the UK

It applies to new installations

specifying

d) Where all gas fittings subjected to medium pressure have been pre-assembled and where strength and gas tightness testing has been undertaken on the regulator assembly at the factory

Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m³/h - Low and medium pressure (3rd family gases) Ingestion-build-81111 If such intervals are notBS 6400 3: 2007 Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m3 h. Low and medium pressure (3rd family gases) BS 6400 3 specifies requirements for the installation, exchange, relocation and removal of credit or prepayment diaphragm and ultrasonic gas meters with a maximum capacity not exceeding 6 m h. This part of BS 6400 is applicable to meter installations: a) Supplied with