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Ridart srl
ADJUSTABLE CHECK VALVE 1"/1"1/4

ADJUSTABLE CHECK VALVE 1"/1"1/4

Product catalog summary

Overview
The adjustable by-pass valve by Ridart is designed for use with submersible pumps to reduce pressure and/or flow of liquid from the pump to the point of use. It is classified as a safety device in accordance with Directive 2014/34/EU and harmonized standards.

Product Specifications

Material: Brass body and upper unit, Viton® O-ring/seal, stainless steel spring.
Maximum Working Temperature: -20°C to +60°C.
Pressure & Flow Tolerances: ±20%.
Standard Model: Suitable for traditional fuel without additives or compatible chemical products.

Product Codes and Specifications

Code 092260: DN1 1” GF, DN2 1” GF, D1 0.7 bar, D2 2.3 bar, D3 3.4 bar, D4 5.0 bar.
Code 092250: DN1 1”1/4 GF, DN2 1”1/4 GF, D1 0.7 bar, D2 2.3 bar, D3 3.4 bar, D4 5.0 bar.
Code 092270: DN1 1”1/2 GF, DN2 1”1/2 GF, D1 0.7 bar, D2 2.2 bar, D3 2.7 bar, D4 3.1 bar, D5 3.4 bar.
Code 092280: DN1 2” GF, DN2 2” GF, D1 0.75 bar, D2 2.3 bar, D3 3.7 bar.

Installation and Adjustment

The valve is factory-set with random parameters; final adjustments should be made post-installation.
Adjustment involves loosening the Allen screw and adjusting the calibrated bolt to achieve desired pressure.
Installation should follow directives and the product user manual.

Maintenance

Periodic checks are necessary to remove dirt.
Replace the product after fire or deflagration.
Warranty expires and safety protection is not guaranteed if tampered with.

Additional Information

For custom applications or maintenance inquiries, contact [email protected].
Declaration of Conformity and User Manual available at www.ridart.it/support.

Catalog excerpts

55 Adjustable By-Pass Valve Brass The adjustable by-pass valve Ridart is used in the presence of submersible pump, it is designed to reduce the pressure and/or ﬂow of the liquid from the pump to the point of use. It’s a Safety Device according with Direc ve 2014/34/EU and harmonized standard. UPPER UNIT STAINLESS STEEL Chemical suitability - Standard Model is for tradi onal fuel without addi ves or compa ble che

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Installa on - The valve can be installed at presence of a submersible pumping system. - The valve is set up in the factory with random parameters: the ﬁnal adjustment should be made a er installa on; - The valve can be supplied adjusted, with a parameter cer ﬁcate or without; - In order to regulate, loosen the allen screw that blocks the regula ng screw; - Screw up (to increase the force) or unscrew the calibrated bolt to achieve the requested value of pressure. - For correct installa on follow the Direc ves and product User Manual. - For custom applica on or maintenance write to: [email protected]...

Open the catalog to page 2

ADJUSTABLE CHECK VALVE 1"/1"1/4

ADJUSTABLE CHECK VALVE 1"/1"1/4

Catalog excerpts

All Ridart srl catalogs and technical brochures