Design
According to API 6D, BS 1868, ASME B16.34, API 602, ISO 15761 – BS 5352
· Bolted bonnet and pressure seal design
· Outside screw and yoke
Fire Safe tested API 6FA, API 607
Costruction Materials
GLB can manufacture valves with all types of material complying with ASTM & ASME standards and in accordance to customer needs and specifications (NACE standard included).The main casted and forged materials used are:
BODY AND BONNET
Cast or forged carbon steel, low temperature carbon steel, alloy steel, stainless steel, exotic alloy, etc.
TRIM
Forged or pressed carbon steel, low temperature carbon steel, alloy steel, stainless steel, exotic alloys, etc.
Range of Production
PRESSURE SEAL
ENDS | R.F. – R.T.J. – B.W. |
CLASS | – | – | – | 900 | 1500 | 2500 |
NPS (up | to) | – | – | – | 16″ | 16″ | 16″ |
TILTING DISC CHECK
ENDS | R.F. – R.T.J. – B.W. |
CLASS | 150 | 300 | 600 | 900 | 1500 | 2500 |
NPS (up | to) | 36″ | 36″ | 36″ | 24″ | 20″ | 20″ |
BOLTED BONNET
ENDS | R.F. – R.T.J. – B.W. – S.W. – NPT |
CLASS | 900 | 1500 | 2500 |
NPS (up | to) | 24″ | 24″ | 12″ |
DUAL PLATE CHECK
Design according to API 594
·Wafer, lug and flanged type
·Metal to metal and soft seal
ENDS | R.F. – R.T.J. – B.W. |
CLASS | 150 | 300 | 600 | 900 | 1500 | 2500 |
NPS (up | to) | 36″ | 32″ | 24″ | 20″ | 16″ | 12″ |