Main Performance Specifications
- Product specification: DN 15 – 200 (NPS 1/2'' – 8'')
- Applicable temperature: -28 – 350 °C
- Working pressure: PN 1.6 – 4.0 MPa
- Applicable media: water, oil, air, acid and alkali
- Connecting flange: JB79, GB/T9113, HG/T20592-97, ANSI B16.5
- Inspection and test: GB/T9092-99, API 598
Material of Main Parts
- Body / bonnet: GB - WCB, ASTM - A216-WCB
- Seal Ring: GB - PTFE, ASTM - Para polyphenylene
- Ball: GB - 1Cr18Ni9Ti, ASTM - SS 304
- Seat / stem: GB - 2Cr13, ASTM - A246-416
- Double end stud: GB - 35CrMoA, ASTM - A193-B7
