Pressure Relief Valve

Product catalog summary

Description
The ZPB/Z2PB series relief valve module is designed to limit pressure in hydraulic systems. It features a steel body with a pressure relief cartridge.

Design Specifications

Steel body construction
Pressure capacity up to 320 bar
Tank pressure up to 160 bar
Adjustable pressure settings with four pressure ranges
Flow rates up to 60 litres/minute
Installation compliant with ISO 4401-03-02-0-94 and DIN 240 340-A6 standards

Quality Assurance

Phosphate coated housing
CE Approved

Technical Data

Nominal Size: 06 – NG6 / CETOP03
Maximum Flow: 60 l/min
Max Pressure (A, B, and P): 320 bar
Max Pressure (T): 160 bar
Hydraulic Fluid: Hydraulic oil classes HM, HV to CETOP-RP 91H
Viscosity Class: ISO VG32, 46, and 68
Viscosity Range: 20 to 400 mm²/s
Fluid Cleanliness: Class 21/18/15 to ISO 4406 (1999)
Oil Temperature for Nitrile Seals: -30 to +80°C
Oil Temperature for Viton Seals: -20 to +120°C
Maximum Ambient Temperature: +50°C
Weight: Single Valve - 1.1 kg, Double Valve - 1.4 kg

Ordering Code
The ordering code provides options for model type, size, seal type, function, series, spring pressure range, relief function, and adjustment type. For example, a code like Z 2 PB 6 VA - 2 - 40 - 315 V indicates a double relief cartridge with Viton seals, a spring pressure range of 315 bar, and a relief function from A to T.

Spare Parts

Seal – ORING

Catalog excerpts

Relief Valve Module - CETOP03 / NG6 The ZPB/Z2PB series relief valve module consists of a steel body with a pressure relief cartridge. Used to limit the pressure in a system. Design Quality - Steel body - Phosphate coated housing - Adjustable Pressure settings - Four pressure ranges - Flow rates to 60 litres/minute

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Seal Viton = V Nitrile = blank Function Blank =Single Relief 2 = Two Relief Cartridges Spring Pressure Range 50 bar = 50 100 bar = 100 200 bar = 200 315 bar = 315 Adjustment Rotary Handle = 1 Adjustable screw and protective = 2 Spare Parts Seal – ORING Technical Data Nominal Size Maximum Flow Max pressure A,B and P Max pressure T Hydraulic fluid Viscosity range Fluid Cleanliness Oil Temperature – Nitrile seals Oil Temperature- Viton seals Ambient Temperature, max Weight - Single Valve Double Valve 06 – NG6 / CETOP03 60 320 160 Hydraulic oil classes HM, HV to CETOP-RP 91H in viscosity class ISO...

Open the catalog to page 2

Pressure Relief Valve

Pressure Relief Valve

Catalog excerpts

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