Check Valves

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Check Valves

AVM Slanted Seat Check Valves

The AVM Slanted Seat Check Valve is a computer-optimised, streamlined design for low head-loss. It is designed for the water industry, taking into account the best available double offset technology, exceeding the requirements of EN 1074.

Features

Light and compact design. Cost effective, easy handling
Face to Face to EN 558-1 Series 14
Streamlined disc and low head-loss
Slanted disc design means shorter stroke, faster closure and better non-slam features
Bottom-mounted hydraulic dashpot as option, effectively ‘braking’ disc closure.
Weld deposit SS body seat
Flanged ends to EN 1092-2 PN 10 to PN 40 or ANSI B16.5 Class 125, 250 or 300
Zero leakage Class A to EN 12266
Resilient Seated with EPDM or NBR Sealing Ring
Sealing ring is not interrupted by shaft bearings
Sealing ring is easily replaceable in open position
No risk of disc flutter (vibrations) by means unbalanced disc load
Powder epoxy coating with drinking water certificate
Option for hard rubber lining in body and/or on disc

Specification

Size Range

DN 80 – DN 3000

Working Pressure

PN 10 – PN 40

Design Standards

EN 1074, EN 558-1, EN 1092

Medium

Water, Saline Water

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Check Valves

AVM Tilted Check Valves

The AVM Tilted Check Valve is a computer-optimised, streamlined design for low head-loss. It is designed for the water industry, taking into account the best available technology, exceeding the requirements of EN 1074.

Features

Robust, bulky design
Able to handle severe flow reversal conditions, and suitable for high pressure applications.
Highly angled disc position gives very short stroke and fast closure, with less transients.
Inherently anti-slam design.
Can optionally be fitted with external lever & weight, dashpot damper or full-stroke damper.
Face to Face to DIN 3202 F15
Streamlined disc and low head-loss
Weld deposit SS body seat
Soft disc seat with metal back-up. EPDM or NBR sealing ring
Sealing ring is not interrupted by shaft bearings
Sealing ring is easily replaceable in open position
Flanged ends to EN 1092-2 PN 10 to PN 40 or ANSI B16.5 Class 125, 250 or 300
Zero leakage Class A to EN 12266
No risk of disc flutter (vibrations) by means unbalanced disc load
Powder epoxy coating with drinking water certificate

Specification

Size Range

DN 80 – DN 2000

Working Pressure

PN 10 – PN 40

Design Standards

EN 1074, EN 1092-2

Medium

Water

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Check Valves

AVM Recoil Check Valves

The AVM Recoil Check Valve is a computer-optimised, streamlined design for low head-loss. It is designed for the water and sewage industry, taking into account the best available technology, exceeding the requirements of EN 1074.

Features

Large, rugged design
Full bore design and streamlined disc results in low head-loss
Top cover for easy maintenance
Slanted disc design results in shorter stroke, faster closure and less transients
Expanded body allows resistance-free flow and compensates for the shorter stroke
Light-weight disc gives less head-loss, and faster reaction to back-flow
Weld-deposit bronze seats
Flanged ends to EN 1092-2 PN 10 to PN 40 or ANSI B16.5 Class 125, 250 or 300
Powder epoxy coating with drinking water certificate
Option for limit switch

Specification

Size Range

DN 80 – DN 2000

Working Pressure

PN 10 – PN 40

Design Standards

EN 1074, EN 1092-2

Medium

Water, Sewage

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Check Valves

Makimura Multi-door Check Valves

Features

Rapid Closure of disc because the center of gravity is close to rotation axis
Low Headloss due to light weight valve disc
Non Slamming upon closure of valve
Minimal Maintenance through Makimura’s metal seated design

Specification

Size Range

DN600 – 1800

Working Pressure

PN 6 / PN 10 / PN 16

Design Standards

BS EN 16767:2016
BS EN 4505

Medium

Water

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