CyogenicStainlessSteelGateValveDN400 pages

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Bestobell

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Cryogenic Valves

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Cryogenic Stainless Steel Gate Valve

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Bolted Bonnet - Extended Spindle

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DN40 {VÁ")

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Description

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Stainless Steel extended spindle gate valve with bolted bonnet, integral soft

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seat and bronze internals. Available with butt weld ends, the valve has a wedge

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seat design for tight shut off designed to seal on downstream seat only in order

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to prevent liquid lock. The bolted bonnet allows for simple site maintenance,

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with easy access to the serviceable parts of the valve.

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All valves are degreased for oxygen duty, assembled in clean room conditions

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and pressure tested prior to despatch.

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Maximum Working Pressure (MWP)

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(Subject to end connection)

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40 bar (580 psi) at -196°C to +65°C

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Body Strength Test 1.5xWP = 60 Bar (870 psi)

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Features

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• Unique Bestobell loose flange bolted bonnet design allows for thermal

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expansion and contraction and eliminates leakage at the bonnet gasket

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• Precision investment cast body - smooth surface finish

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• Lapped seat and PTFE seal ensure tight shut off at all times

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• Lightweight design gives excellent thermal characteristics

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• Anti-blow out spindle and one-piece high strength stem design for operator

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safety

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• Long life, low torque stem thread

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• Screwed and welded high strength extension tube and bonnet joints.

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• Lightweight ergonomie handwheel

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• Quick removal of head works allows fast/easy maintenance

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• 316 Stainless Steel construction with bronze internal components

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Technical

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Manual Gate Valves with bolted bonnet, extended

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bonnet, butt weld ends and PTFE seals. Actuated

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valves available.

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ISO 9001 accreditation - design and manufacture

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to ASTM B31.3&BSEN1626.

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Optional full material traceability backed by BSEN

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10204 3.1 / 3.2 Certification.

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Designed and engineered for use with 02, N2, Ar,

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C02, He, Kr, Ne, H2, C2H4 and N20 service

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C € Marking according to Pressure Equipment

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Directive 97/23/EC.

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TT Marking to Directive 99/36/EC only on written

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request complete with purchase order.

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For other options please contact us.

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T+44(0) 114 224 0000

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F+44(0) 114 2784974

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sales@bestobellvalves.com

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www.bestobellvalves.com

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Bestobell, President Park, President Way, Sheffield, S4 7UR

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United Kingdom

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