SLAB GATE VALVE

1 piece bolted bonnet, full bore through conduit, rising stem with metal floating seats with soft face seals design.

Slab gate valves minimize pressure drop as it is equivalent to that produced by a piece of pipe with the same diameter and length.

They are manufactured in a wide range of sizes and pressure classes typically from forgings.

BASIC CHARACTERISTICS

  • API 6D, API 6A, ASME B16.34 design
  • Full Bore design
  • Piggable
  • Flanged (ASME B16.5/ B16.47, 6B/ 6BX as per API6A), Welding (BW ASME B16.25), Hub, Compact ISO 27509
  • Bi-directional valve
  • Anti blow-out stem
  • Antistatic device
  • Fire safe design
  • Energized seats

OTHER CHARACTERISTICS

Perar Model:SDTCS
Size:2” to 68”, 1 13/16” to 11”
Pressure Classes:ASME 150# to 2500#
API 6A 2000 to 15000
Temperature Range:-196°C to 400°C
Face to Face/ End to End:API 6D/ API 6A/ Perar standard
FeaturesFeatures
Soft SeatingStandardStem ExtensionOn Request
Metal SeatingOn RequestExtended BonnetOn Request
Self-relieving Seats (SPE x SPE)StandardWelded PupsOn Request
Double Piston Effect Seats (DPE x DPE)On RequestSealing Areas/ Wetted Areas OverlayOn Request
Seat Combination (SPE x DPE)On RequestConformity to NACE MR0175, NACE MR-0103On Request
Vent & Drain portsStandardConformity to PED 2014/68/UE, ATEX 2014/34/EUOn Request
Emergency sealant injectionStandardOther FeaturesOn Request
Manual operated or Actuator Operated (ISO 5210)Standard
BODY, BONNET
  • CS (ASTM A105, ASTM A216 WCB, WCC), LTCS (ASTM A350 LF2, A352 LCB, LCC)
  • Austenitic SS (ASTM A182 F316, A351  CF8, CF8M, CF8C)
  • Duplex SS 22% Cr (ASTM A182 F51, A890 4A, 5A, 6A, A995)
  • Superduplex SS 25% Cr (ASTM A182 F53/F55, A890, A995)
  • Inconel 625
  • Incoloy 825
  • Monel
SEALS
  • Metal Gasket (BX type)
  • Graphite
  • Lip seals
  • Chevron V-pack
  • O-ring
TRIM (EXPANDING GATE, SEATS, STEM)
  • CS (ASTM A105), LTCS (ASTM A350 LF2) + PLATING
  • High strength LTCS (A694 F52, F60, F65) + PLATING
  • Austenitic SS (ASTM A182 F316, A479 UNS S31600)
  • Duplex SS 22% Cr (ASTM A182 F51, A479 UNS S31803)
  • Superduplex SS 25% Cr (ASTM A182 F53/F55, A890, A995)
  • 6Mo SS (ASTM A182 F44, A479 UNS S31254)
  • Inconel 625
  • Inconel 718
  • Incoloy 825
  • Monel
SEAT HARDFACING
  • METAL with either TUNGSTEN CARBIDE or CHROMIUM CARBIDE COATING
  • Devlon V
  • PEEK
  • PCTFE
BOLTING
  • ASTM A193 B7/B7M, ASTM A320 L7/L7M,
  • A193/A320 B8/B8M
  • UNS S31803, UNS S32760, ASTM A453-GR.660

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