Mark 68G Series
Company Name : Jordan
Sizes: 1/2″ thraugh 2″ (DN8 thraugh DN50)
End Connections
- Threaded – NPT, BSPT, BSPP
- Flanged
Body Materials
- Branze
- Ductile lran
- Carban Steel
- Stainless Steel
Plug Materials
- Buna-N
- Vitan
- Hardened 17-4 pH Stainless Steel
- EPDM
Trim and Seat Materials: 316 Stainless Steel
Spring Housing Material*: Cast lran
Optianal: Carban Steel, Stainless Steel
Specifications
Diaphragm Materials*
- Buna-N/Nylan (200ºF (93ºC) temp limit)
- Stainless Steel (500ºF (260ºC) temp limit)
- Vitan/Namex (450ºF (232ºC) temp limit)
- Jarlan (450ºF (232ºC) temp limit)
Maximum lnlet Pressure: 300 psi (20,7 bar)
Maximum Temperature
- 200º F (93ºC) with Buna-N plug and diaphragm
- 350º F (177ºC) with Vitan plug and Vitan ar SST diaphragm
- 500ºF (260ºC) with metal seat and SST diaphragm
Minimum Temperature
- -20ºF (-29ºC) with Buna-N plug and diaphragm
- -15ºF (-26ºC) with SST diaphragm and SST ar Vitan plug
- -20ºF (-29ºC) with SST diaphragm and Buna-N plug