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PSB & PSC Valve
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Pressure Seal Bonnet &
Cover Valve

- Pressure Seal Bonnet Gate Valve
- Pressure Seal Bonnet Globe Valve
- Pressure Seal Bonnet Swing Valve

  • PRESSURE SEAL BONNET & COVER VALVE
APPLIED PART SPECIFICATION
PRESSURE RATING ASME B16.34
FACE TO FACE (END TO END) ASME B16.10
FLANGE DIMENSION ASME B16.5 / ANSI B16.25
TESTING API 598 / MSS-SP-41
BONNET BOLT ASTM A193
BONNET NUT ASTM A194
MARKING SYSTEM MSS-SP-25
HEAVY WALL THICKNESS API 600 / BS 1868 / BS 1873
  • PSB & PSC PRODUCTION "SPEC. MSS SP-144"
PARTCARBON STEELSTAINLESS STEEL
MAINWCBWC6LCBCF8MCF8
STANDARD TRIM 410 HALF 410 HALF 304 HALF 316 304
BODY A216-WCB A217-WC6 A352-LCB A351-CF8M A351-CF8
SEAT-RING A105+ST'L F182-F11+ST'L A182-LF2+ST'L A479-316 A479-304
WEDGE/DISC A216-WCB or
A217-CA15		 A217-CA15 A351 CF8 A351-CF8M A351-CF8
STEM/HINGE PIN A479-410 A479-410 A479-304 A479-316 A479-304
SEAL-RING GASKET AS ORDERED AS ORDERED
BONNET/COVER A216 WCB A217-WC6 A352-LCB A351-CF8M A351-CF8
CLAMP / RETAINER A576-1020 F182-F11 F182-LF2 A479-304
WASHER / RING A576-1020 F182-F11 F182-LF2 A479-304
BONNET BOLT A193-B7 A193-B16 A193-B7 A193-B8
BONNET NUT A194-2H A194-Gr.4 A194-2H A194-8
BACK SEAT-RING INT+ST'L#6
GLAND PACKING AS ORDERED AS ORDERED
PACKING GLAND A479-410 A479-410 A479-304 A351-CF8M A351-CF8
GLAND FLANGE A105 A351-CF8
STEM NUT A439-D2C A439-D2C
HANDWHEEL A536 (DUCTILE IRON) A536 (DUCTILE IRON)
  • STANDARD PRODUCTION SPECIFICATION
  • BODY
  • Body is designed not to have fl ow resistance with full port. The base design is done with ASME B16.34. In requirement of the heavy wall with API600, it’s provided with also full port design.
  • STANDARD CONSTRUCTION
  • To prevent the possibility of leakage in gasket seal area, the area is overlaid Stainless Steel and is machined precisely. And Gate & Globe is provided with Outside Screw & Yoke and Non Rising Handwheel. In case of swing check Outside Hinge Pin to be provided.
  • SEAT RING & BACK SEAT RING
  • Basically, HLC is supplying seal welded seat ring type but it’s possible with threaded seat ring type or integral seat ring type. In case of back seat ring, it is provided with Integral overlaid Stellite No. 6 to bonnet
  • MOTHER MATERIALS OF WEDGE & DISC
  • As HLC’s standard, all size valves to be provided wedge of casting materials equivalent with designating trim material or body materials. Surely, seat surface is followed with trim materials. In case of Wedge with Gate, it’s 1piece fl exible form and have minimized the appearance of thermal binding and pipe load. The angle of wedge is 9 deg to make “Tight Sealing” and has a excellent sealing capacity in higher pressure. For high temperature steam service, it’s available with double disc parallel side type. In case of Disc with Globe, it’s plug type and has 20 deg to minimize the thermal binding, the friction of disc & body seat surface.
  • GASKET
  • Basically, Soft Steel plated Silver is being supplied for Carbon steel Valves. And it’s shaped 30 deg wedge to be suitable for higher pressure. With another option, there is a tappered graphited reinforced (316SS hoop) Gasket to provide easier maintanence.
  • PACKING FOR GATE & GLOBE VALVE
  • Anti-exclusion square-braiding graphite fi ber top & bottom rings and pure graphite preformed packing to be provided all valves
  • * Everything can be replaced the ones which is requested by customers’ requirement
14, Gasulsannam-ro 12beon-gil, Daesan-myeon, Uichang-gu, Changwon-si, Gyeongsangnam-do, Korea hlc co.,Ltd.
CEO : Ji Ganguk 사업자번호 : 000-000-0000 TEL : +82 55 604 0200 FAX : +82 55 604 0201 EMAIL : hlcv@hlcv.co.kr
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