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Crosby J Series Direct Pressure Relief Valves

Crosby™ J-Series valves provide high quality and dependable overpressure protection for air, gas, steam, vapor, liquid and two-phase applications in one simple design.

Sapag 8000 series will be discontinued in September 2024. It will be replaced by Crosby J series.

Read more about the option with the balanced-diaphragm safety valve JDS-E here.

CHEMICAL & PETROCHEMICAL Crosby CRYOGENIC & LNG EMETHANOL GREEN AMMONIA MARINE NUCLEAR POWER OIL & GAS POWER & HEATING POWER-TO-X REFINERY

Any questions?

Joachim Nyqvist
Solution Seller
Phone. +46 54-57 92 17

Joachim.Nyqvist@askalon.se

Kenneth Olsson
Account Manager
Phone. +46 54-57 92 04

Kenneth.Olsson@askalon.se

Anders Praem
Inside Sales Engineer
Phone. +45 2137 7759

Anders.Praem@askalon.dk

Frank Kirk Hansen
Account Manager
Phone. +45 4053 6511

Frank.Kirk@askalon.dk

Slawka Pedersen
Inside Sales Manager
Phone. +45 2137 7702

Slawka.Pedersen@askalon.dk

Henna Ketoja
Inside Sales Engineer
Mob. +358 400 612 124

Henna.Ketoja@askalon.fi

Jani Collan
Key Account Manager
Mob. +358 40 702 8711

Jani.Collan@askalon.fi

Tommi Penttilä
Sales Manager Conventional Power
Phone. +358 207 416 208
Mob. +358 40 512 2308

Tommi.Penttila@askalon.fi

Features
Product request

ASME/NB certified capacities for air, water and steam.
Full compliance with all major global pressure relief standards including ASME VIII, XIII, API 526/527, EN4126 and PED/CE.
Highly customizable to meet most applications.
Interchangeable parts to reduce maintenance costs.
Full nozzle configuration.
Simple and reliable design for easy maintenance.
Soft seat options for superior seat tightness.
Adjustable blowdown to reduce product loss.
Restricted Lift available.
Wired or Wireless Relief Monitoring available.

Crosby™ Balanced Diaphragm
- 20% greater backpressure handling improves reliability during backpressure surges.
- 15% improvement in Kb factor enables sizing of smaller and/or fewer valves.
- 100x more resilient than metal bellows for high-frequency cycling, ensuring safety.
- Easily convert existing Crosby J-Series with Balanced Diaphragm upgrade kits.

Crosby™ Bellows Leak Detection available
- Instant notification of bellows rupture allows effective maintenance protocol.
- Detection of small ruptures, from 0.0009in2 (D orifice).
- Ensured balanced operation after bellows rupture enhances safety.
- Leakage volumetric calculation in real-time for risk assessment and decision making.
- Over 90% reduction of leakage through bonnet vent.
- Easily enhance existing Crosby J-Series with Bellows Leak Detection upgrade kits.

Brands

Crosby J Series Direct Pressure Relief Valves

Questions about the product?