Glenfield - Water Engineers to the World

SERIES 41/20 RESILIENT SEATED SWING CHECK VALVE, PN16
The Series 41/20 is a resilient seated swing check valve, suitable for use with potable water, raw water and sewage, to a maximum temperature of +70°C.

Features

• Resilient seated disc.
• Lightweight design.
• Pre-fitted extended spindle.
• Highly adaptable lever and weight system.
• 5 By-pass bosses.
• Cross sectional flow area greater than 90%.
• Easily maintained.
• Corrosion resistant.
• Size range DN50-300.
• Fusion bonded epoxy coating.

Options

• Lever and weight*, mounted RHS as standard, can be mounted LHS on request.
• Spring assisted closure.
• Lever and weight guard.#
• Limit/proximity switch actuation kit.
• Priming by-pass.
• Priming device.

* NB. Should always be used when valve is orientated vertically.
# It is a requirement of the HSE Machinery Directive that guards are fitted to cover Levers & Weights when utilised.

BODY/COVER
Ductile Iron - BS EN 1563

SPINDLE
Stainless Steel - BS EN 10088
Grade 1.4021

FASTENERS
Stainless Steel - BS EN 10088
Grade 1.4301

SEAT
Resilient

COATING (internally and externally)
Epoxy (250 microns) -
WIS 4-52-01 Class B

FLANGES
BS EN 1092-2, PN16