GB - Chinese national standards

Flanged and wafer resilient seal butterfly valves

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Industrial valves - Diaphragm valves made of metallic materials

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Vocabulary and character for geometrical optics

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Iron plug valves

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Safety valves—General requirements

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Pressure relief devices—Performance test code

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Spring loaded safety valves

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Pressure reducing valves—General requirements

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Methods of performance test for pressure reducing valves

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Pilot operated pressure reducing valves

Available languages: English, Chinese

Available design: electronic design (pdf), Print design