Standards
Specification for poly (vinyl chloride)(PVC) plastic pipe, schedules 40, 80 and 120
This specification covers poly (vinyl
chloride) (PVC) pipe made in Schedule 40, 80, and 120 sizes and pressure-rated
for water (see Appendix X1). Included are criteria for classifying PVC
plastic pipe materials and PVC plastic pipe, a system of nomenclature for PVC
plastic pipe, and requirements and test methods for materials, workmanship,
dimensions, sustained pressure, burst pressure, flattening, and extrusion
quality. Methods of marking are also given.
The products covered by this specification are intended for use with the distribution of pressurized liquids only, which are chemically compatible with the piping materials. Due to inherent hazards associated with testing components and systems with compressed air or other compressed gases, some manufacturers do not allow pneumatic testing of their products. Consult with specific product/component manufacturers for their specific testing procedures prior to pneumatic testing.
GYS 99
-
2021
GYD 5,500
19 pages
Specification for Equal arm scales (4 kg)
This Standard specifies the requirements and the materials used in the manufacturing of scales and masses.
GYS 180
-
1998
GYD 4,000
7 pages
Specification for pneumatic tyres for commercial highway vehicles
This standard specifies physical dimensions, performance and marking requirements for pneumatic tyres for highway commercial vehicles. Test methods for determining conformity to the performance requirements are also included.
GYS 194
-
2001
GYD 5,000
14 pages
Specification for Rotationally moulded polyethylene water storage tanks
This standard covers flat-bottomed water storage tanks of circular cross-section manufactured from unreinforced polyethylene by the process of rotational moulding. Included are requirements for physical characteristics, dimensions, materials performance, testing marking and labelling.
This standard covers flat-bottomed water storage tanks of circular cross-section manufactured from unreinforced polyethylene by the process of rotational moulding. Included are requirements for physical characteristics, dimensions, materials performance, testing marking and labelling.
These specifications apply to tanks intended for:
(a) The storage of potable water at normal atmospheric pressure;
(b) Installation and use at environmental or service temperatures such that the material of tank remains between 15 °C and 80°C; and
(c) Vertical, above- ground installation on fixed, flat, fully- supporting bases.
GYS 588
-
2023
GYD 6,100
27 pages