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GATE, GLOBE, & CHECK VALVES

GATE VALVE

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DESIGN DETAILS

VAHN-TECH manufactures superior OSY cast steel gate, globe and cast steel check valves in a variety of designs, materials, trims, sizes (2” thru 48”) and pressure classes (150 thru 2500).

      • Gate valves designed in accordance with API-600, solid or parallel slide wedge/disc, bolted bonnet, welded bonnet, or pressure-sealed bonnet.
      • Flexible wedge is standard for valves 4” and above.
      • Body and bonnet castings are precision machined with joint accurately machined.
      • One-piece bonnet for better alignment and fewer parts for sizes up to 16”.
      • The following options are available: carbon steel, low-temperature carbon steel, stainless steel, duplex stainless steel, and nickel and exotic alloys.
      • Gate valves option in accordance with API-603 only available with stainless steel and nickel alloys.
      • Gate and Globe valves for Cryogenic service with a gas column in accordance with BS-6364 available upon request.
      • Flange dimensions in accordance with ASME B16.5 for valves up to 24” nominal diameter and ASME b16.47 for valves 28” and up.
      • By-Pass, lantern rings, grease injectors, special connections, etc. available as options.
      • Low-fugitive emissions tested.

TECHNICAL SPECIFICATIONS

DESIGN STANDARD API 6D / API 600
SIZE RANGE 2” – 48”
FLOW BORE Full Bore
BODY STYLE Bolted Bonnet / Pressure Seal Bonnet
PRESSURE RATING Class 150 – 2500
WORKING TEMPERATURE -196˚C ~ +649˚C
END CONNECTION ASME B16.5 Flange Ends ASME B16.25 Butt-Weld Ends
FACE to FACE ASME B16.10
TEST & INSPECTION API 6D / API 598

GLOBE VALVE

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DESIGN DETAILS

VAHN-TECH manufactures superior OSY cast steel gate, globe and cast steel check valves in a variety of designs, materials, trims, sizes (2” thru 48”) and pressure classes (150 thru 2500).

      • Globe valves designed in accordance with BS 1873 bolted bonnet, welded bonnet, or pressure-sealed bonnet.
      • Special trim designs are available: proportional trim, quick opening trim, bellow seal design, etc.
      • Body and bonnet castings are precision machined with joint accurately machined.
      • One-piece bonnet for better alignment and minimize parts needed.
      • The following options are available: carbon steel, low-temperature carbon steel, stainless steel, duplex stainless steel, and nickel and exotic alloys.
      • Globe valves option in accordance with API-603 only for stainless steel and nickel alloys.
      • Gate and Globe valves for Cryogenic service with a gas column in accordance with BS-6364 upon request. Flange dimensions in accordance with ASME B16.5.
      • By-Pass, lantern rings, grease injectors, special connections, etc. available as options.
      • Low-fugitive emissions tested.

TECHNICAL SPECIFICATIONS

DESIGN STANDARD API 600/623, BS EN ISO 10434
SIZE RANGE 2” – 18”
BODY STYLE Bolted Bonnet / Pressure Bonnet
PRESSURE RATING Class 150 – 2500
WORKING TEMPERATURE -196˚C ~ +649˚C
END CONNECTION ASME B16.5 - Flange / ASME B16.25 - Butt-Weld
FACE to FACE ASME B16.10
TEST & INSPECTION API 598

CHECK VALVE

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DESIGN DETAILS

VAHN-TECH manufactures superior cast steel check valves in a variety of designs, materials, trims, sizes (2” thru 48”) and pressure classes (150 thru 2500).

      • Check valves designed in accordance with API 6D and API 594. Swing Check Valves, Dual Plates Check Valves and Lift Check Valves available.
      • Body and bonnet castings are precision machined with joint accurately machined.
      • The following options are available: carbon steel, low-temperature carbon steel, stainless steel, duplex stainless steel, and nickel and exotic alloys.
      • Check valves option in accordance with API-603 only for stainless steel and nickel alloys.
      • Swing Check Valve with a top-entry design for easy maintenance.
      • Check valves for Cryogenic service with a gas column in accordance with BS-6364 upon request.
      • VAHN-TECH can design a special closing system upon request for Swing Check Valves, such as slow-closing or fast-closing Swing Check Valves.
      • Flange dimensions in accordance with ASME B16.5 for valves up to 24” nominal diameter and ASME B16.47 for valves 28” and up.

TECHNICAL SPECIFICATIONS

DESIGN STANDARD API 6D / API 594 / BS 1868
SIZE RANGE 2” – 36”
FLOW BORE Full Bore / Reduce Bore
BODY STYLE Bolted Bonnet
PRESSURE RATING Class 150 – 2500
WORKING TEMPERATURE -196˚C ~ +649˚C
END CONNECTION ASME B16.5 - Flange ASME B16.25 - Butt-Weld
FACE to FACE ASME B16.10
TEST & INSPECTION API 598 / API 6D