TECHNICAL DESCRIPTION

Provided as safety device for protection against excessive pressure in gas cylinders and pressure vessels.
Automatic pressure releasing valve which opens proportionally to the pressure increase.
Constant balance between opening pressure and spring force gives small flow and minimal fluid loss on discharge.

SPECIFICATIONS

Bonnet connection: Screwed
Execution: Angle
Connection type: Threaded male
Operation: Automatic

MEDIA

• Fluids

CONSTRUCTION

Standard safety valve with soft valve seal for fluids, open bonnet, with lifting device In- and outlet: female thread type G (BSPP) acc. to ISO 228/1

1. with FPM valve seal for air and similar gases
   Working temperature: -10°C / +14°F (263K) up to +185°C / +365°F (458K)"
2. with PTFE valve seal for air and similar gases
   and saturated steam from 2.0 up to 10.0 bar.
   Working temperature: -10°C / +14°F (263K) up to +185°C / +365°F (458K)"
3. with EPDM valve seal for air and similar gases
   and steam from 0.2 up to 8 bar. (saturated steam only to 3 bar)
   Working temperature: -10°C / +14°F (263K) up to +135°C / +275°F (408K)"

OPTIONS

Available options - on request only:
· stainless steel spring - material 1.4571
· external parts nickel plated