PrecimanBoiler Spare Parts

Preciman Safety relief valve 3 Bar D.20 x 1/2"M

Preciman safety relief valve for boiler systems with DN20 inlet and 1/2 inch outlet, rated 3 bar pressure and operating from −20°C to +160°C. Designed for thermal protection in heating and hot water applications.

SKU 3G-CBM-05409

Also listed as: PCM 50042 · PCM-50042

Brand

Preciman

Item

Safety relief valve 3 Bar D.20 x 1/2"M

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

Preciman

inlet

⌀20 mm 

outlet

1/2 inch M 

pressure

3 bar 

temperature range

-20°C to +160°C 

available pressures

1.5, 2, 2.5, 3, 4, 6 bar 

Datasheet Content

SOUPAPE DE SÉCURITÉ CHAUFFAGE CE

   PCM50040
                                                  VALVOLA DI SICUREZZA / SOUPAPE DE SÉCURITÉ
                                                  Campo di temperatura -20°C / +160°C
                                                  Temperature range -20°C / +160°C
                H
                                      B           Certificazioni / Certifications: g

                                                   COD.                    A                B                L       H    BAR*

                          A                      PCM50040                1/2 M            1/2 F             40       60    3
                              L
                                          * Seguenti Bar disponibili / Bar disponibles : 1,5 - 2 - 2,5 - 3 - 4 - 6




   3G-CBM-05409
                                                 VALVOLA DI SICUREZZA / SOUPAPE DE SÉCURITÉ
                                                 Campo di temperatura -20°C / +160°C
                                                 Temperature range -20°C / +160°C
                H

                                                 Certificazioni / Certifications: g
                                  B



                                                   COD.                    A                B                L       H    BAR*
                      A
                                                 3G-CBM-05409                 ⌀ 20           1/2 M              44       67    3
                          L
                                          * Seguenti Bar disponibili / Bar disponibles : 1,5 - 2 - 2,5 - 3 - 4 - 6

Technical Documents

(1)

Technical Document 1

PDF Document

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Preciman Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the Preciman safety relief valve 3 Bar D.20 x 1/2"M used for?

The Preciman safety relief valve is used for thermal protection in boiler systems, heating, and hot water applications. It automatically releases excess pressure at 3 bar to prevent system damage, ensuring safe operation within a temperature range of -20°C to +160°C.

What are the specifications of the Preciman safety relief valve 3 Bar D.20 x 1/2"M?

The Preciman safety relief valve has a DN20 (⌀20 mm) inlet and a 1/2 inch male outlet. It is rated for 3 bar pressure and operates from -20°C to +160°C. Other available pressure settings include 1.5, 2, 2.5, 4, and 6 bar.

Where to buy the Preciman safety relief valve in Singapore?

You can source the Preciman safety relief valve through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this boiler spare part.

How to install the Preciman safety relief valve?

Install the Preciman safety relief valve with the DN20 inlet connected to the boiler system and the 1/2 inch male outlet directed to a safe discharge point. Ensure the valve is upright and not blocked. Follow standard boiler safety practices and local regulations.

Used in

Common applications for Preciman

Boiler steam-system monitoring — Preciman D100 glycerin gauges (0–40 bar) mounted on boiler headers and steam-outlet lines.

Pump discharge pressure indication — Preciman D63 axial stainless gauges (0–250 bar) on centrifugal-pump outlet manifolds and pressure-relief test points.

Compressed-air and vacuum systems — Preciman vacuum and low-range gauges (−1 to +0 bar, 0–1.6 bar) on air-treatment equipment and vacuum pumps.

Hydraulic-circuit monitoring — Preciman all-stainless manometers (D63 vertical, up to 250 bar) on hydraulic-press and industrial-lifting-system manifolds.

Fuel-gas and burner control lines — Preciman D63 low-range gauges (0–1 bar, 0–2.5 bar) on natural-gas and LPG regulator outlet monitoring.

Heat-exchanger and thermal-loop diagnostics — Preciman glycerin D63/D100 gauges for hot-water circulation and process-steam secondary loops.

Preciman Products

3G Electric supplies Preciman boiler spare parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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