CAST STEEL THROUGH CONDUIT - API 6D
Features
  • These HawaValves have been designed to meet the requirements of API-6D ISO 14313 /ASME B 16.34
  • Face to Face and End to End dimensions conform to ASME B 16.10 / ISO 5752 / BS 2080 / DIN
  • End flange dimensions conform to ASME B 16.5 / ISO 7005-1 / API 605 / BS 3293 / DIN
  • Butt weld end dimensions conform to ASME B 16.25
  • Slab type gate to avoid jamming associated with wedge gate
  • Pressure energized floating seat rings with PTFE inserts
  • Weather proof operating system
  • Easy maintenance with valve in-line
  • Through conduit piggable passage
  • Anti-frictional Ball bearings are provided in higher sizes and classes
  • Outside screw and yoke construction
  • All the valves provided with backseat arrangement
  • Bi-directional shut-off
  • Deep stuffing box
  • Body ports are streamlined, permitting unobstructed flow, reduces turbulence, results in lower pressure drop and lower erosion
  • The Body to Bonnet joint is flat in ISO PN 20 / ASME 150# valves, a male and female joint is used in PN 50 / 300# & PN 110 / 600# and ring joint is used in higher classes
  • Specially designed die formed graphite packing, controlled clearance between stem, gland & bonnet bushing for guaranteed low emissions meet 100 ppm maximum fugitive emission levels as per Shell SPE 77/312
Options
  • For low temperature and cryogenic services (cold box and non-cold box applications) extended bonnet as per BS 6364 available
  • Locking arrangement
  • Gear, Electrical, Hydraulic or Pneumatic actuator available
  • Can be supplied with GRAYLOC END HUB, under project license from GRAYLOC PRODUCTS®, UK.
Materials
Part Name Material Option
Body ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB
Bonnet ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB
Gate @ ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB
Yoke ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB
Stem ASTM A 276 410 / A 276 304 / A 276 304L / A 276 316L
Seat Rings @ ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB
Seat Insert PTFE / VITON
'O' Ring VITON
Back Seat Bushing ASTM A 276 410 / A 276 304 / A 276 304L / A 276 316L
Gland Nut Gland Nut ASTM A 276 410 / A 276 304 / A 276 304L / A 276 316L
Stem Nut ASTM A 439 Gr.D2 / Al. Bronze
Lock Nut Carbon Steel / SS 304
Gland Packing Chevron Ring / Graphoil / PTFE
Bonnet Gasket Soft Iron / SS 304 / Graphoil
Gland Eye - Bolt & Nut Carbon Steel / Stainless Steel
Cross Bolts & Nuts Carbon Steel / Stainless Steel
Hand Wheel Carbon Steel
Stem Enclosure Carbon Steell
Hand Wheel Nut Carbon Steel
Stem Indicator Stainless Steel
Drain Plug Stainless Steel
Anti-friction Bearing Standard
Grease Nipple Carbon Steel
Grub Screw Carbon Steel
Studs / Bolts ASTM A 193 B7 / A 193 B7M / A 193 BBM / A 320 L7
Nut ASTM A 194 2H / A 194 8 / A 194 8M / A 194 4 / 7
* Valves are available in Duplex & Super Duplex Stainless Steel and Nickel Aluminium Bronze. Please indicate Trim required and ask for individual technical data sheets provided separately for these special materials.
@ CS & Alloy Steel Gate and Seat Rings will be ENP coated unless specified otherwise overlayed with 13% CR. or STELLITE 6 as per customer specifications.
 

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