The NATIONAL PUMP AND VALVE PIPELINE EXHIBITION WILL BE HELD IN October TO INTRODUCE THE BASIC DIMENSIONS OF POLYPROPYLENE VALVES FOR PRESSURE PIPING
It IS UNDERSTOOD THAT THIS EXHIBITION IS ON THE BASIS OF 2004 YONGJIA OU NORTH PUMP AND VALVE EXPO, BASED ON THE PUMP AND VALVE MANUFACTURING enterprises IN OUR CITY, FOR THE RELEVANT industries AND USERS OF THE COUNTRY AND HELD a NATIONAL PUMP AND VALVE PIPELINE EXHIBITION.
As an important manufacturing base of pump and valve industry in China, the pump and valve industry in our city has been growing at an average annual rate of more than 30% in recent years, and has become an important force in economic growth.
Last year, the output value OF pump AND valve in our city was more than 16 billion yuan, accounting for one third of the total output value of pump and valve in China.
Basic Dimensions of Polypropylene (PP) valves for pressure Piping This standard specifies a series of diameters and basic dimensions of polypropylene valves for common connection types used in pressure piping for fluid delivery. The following documents are essential for the application of this document. For dated references, the * dated version applies to this document. For undated references, THE *** version (including all amendments) applies to this document. Flanged connection valves with nominal OD from 16 mm to 160 mm connection lines. Nominal OD from 16 mm to 125 mm jacks connect valves.
1 scope
This STANDARD specifies a series of DIAMETERS and BASIC dimensions of POLYPROPYLENE VALVES USED IN pressure LINES for fluid delivery with common connection types.
This standard applies to:
- Valves are connected to flanges with nominal diameters ranging from 16 mm to 160 mm.
- Valves are connected to jacks with nominal OD from 16 mm to 125 mm.
- Valve mounts with nominal OD from 16 mm to 125 mm.
Valves are threaded with nominal OD from 20 mm to 63 mm.
2 Normative reference files
The following documents are essential for the application of this document. For dated references, the * dated version applies to this document. For undated references, THE *** version (including all amendments) applies to this document.
GB/T 4217-2008 Nominal outer diameter and nominal pressure of thermoplastic pipes for fluid delivery
GB/T 7306.1-2000 Pipe threads for 55° sealing — Part 1: cylindrical internal thread and conical external thread
GB/T 7306.2-2000 Pipe threads for 55° sealing — Part 2: Taper internal and taper external threads
GB/T 18742.3-2002 Polypropylene piping systems for hot and cold water – Part 3: fittings
ISO 7349:1983 Thermoplastic valve connection parameters
3 Basic Dimensions
3.1 Flange connection valve
3.1.1 Structure, size and position of flange connection valve are shown in Figure 1
Post time: Sep-21-2022
