4000

TECHNICAL SPECIFICATIONS
Nominal Diameter DN 15 – DN 50 / 3/8″ – 2″
(inlet)
Orifice 11S – 11R – 15S – 15R – 22 – 30 – 32 – 38
Actual Orifice Diameter 11 mm – 38 mm / 0,433 in – 1.496 in
Actual Orifice Area 0.4 cm² – 6.5 cm² / 0.062 in² – 1.007 in²
Pressure 0,4 bar – 400 bar / 5.8 psig – 5,801 psig
Temperature -45 °C a +150 °C / -49 °F a +302 °F
Body Material* A 351 CF3M, A 995 Gr 4A (duplex), A 494 CW-12MW (Hastelloy-C)
Alloy 20, Alloy 825, PP, PVC, C-PVC, PTFE, PVDF
Valve Connection Flange in accordance with ASME B 16.5 or DIN EN 1092
Type Conventional to Spring
ACCESSORIES
Bellows* AISI 316L / INCONEL 625
Heating jackect Stainless Steel
Soft Seat* AISI 316L
Balancing piston Stainless Steel

 

Approvals

Safety valves 4000 Series

Available with GAS and NPT threaded connections or flanged in accordance with ASME B 16.5 or EN standard with sizes from ½ “to 2”, and set pressure up to 400 bar (1/2” valves).

The theoretical maximum capacity, for triplex pumps, arrives to 21 m³ / h ( 2 “valves).

The valves are manufactured in stainless steel, as standard material, but are also frequently produced in

plastic materials (PVC, C-PVC, PTFE, PVDF) and in super-alloys for maximum reliability with particularly aggressive fluids. The valve can be equipped with balancing/insulating bellows, and heating jacket in the case of backpressure and fluids that solidify at room temperature.

The version with a balancing piston and integral flanges is suitable to work correctly in the presence of high back pressures.

The 4000 series is supplied with PED certification and CE marking in compliance with Directive 2014/68/EU.

TECHNICAL BROCHURE

USE AND MAINTENANCE MANUAL