MATERIALS:
1. Steel parts: Stainless steel AISI 304 or acidresistant steel AISI 3161
2. Seal ring: EPDM rubber
3. Finish: Semi bright

CONNECTIONS:
1. The valves is available with welding ends for tubes according to 3A, SMS, BS, DIN 11850

TECHNICAL DATA
1. Required differential pressure for opening the valve when fitted in a vertical pipe, as shown in fig 3, Is approx. 6kpa(0.06bar)
2. Max. Product pressure: 1000kpa(10bar)
3. Max. Temperature: 140 C(EPDM)
4. Min. Temperature: -10 C.

OPTIONS
Material grades:
1. Product wetted seal rings of nitrile(NBR) or Fluorinated rubber (FPM)

ORDERING
Please state the following when ordering:
1. Size
2. Steel grade, AISI 304 or AISI 316L
3. Rubber grade if not EPDM