Check Valves

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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″



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