DelVal Butterfly Valve Series 50 to 52 Resilient Seated

DelVal Butterfly Valve Series 50 to 52 Resilient Seated
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DelVal Butterfly Valve Series 50 to 52 Resilient Seated is one of DelVal's products of outstanding quality and dependable reliability. This product has facilities with a good and strong management system in accordance with BS EN 593 standard and has ISO 9001 certification.
Brand :

DelVal

Category :

Butterfly Valve

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Distributor DelVal Butterfly Valve Series 50 to 52 Resilient Seated

DelVal Butterfly Valve Series 50 to 52 Resilient Seated

Specification: 

  • Body Style: Series 50 – Wafer, Series 52 – Lug, Series 5A – Wafer (Alternate stem size), Series 5B – Lug (Alternate stem size)
  • Material of Body: CI, DI, CS
  • Disc: Nylon coated Ductile Iron, Aroxy Ductile Iron, CF8M
  • Stem: 410 SS, 17-4 PH
  • Seat: EPDM, White EPDM, Buna-N, White Buna-N, FKM, Silicone
  • Size Range: 2" to 24“ (DN 50 to 600)
  • Pressure Rating: 2" to 12" – Class 125, 175 PSIG (PN 12), 14” to 24” – 150 psi (PN 10), Optional: 2” to 24” – 230 (PN 16)
  • Temperature Range: -29 °C to 200 °C

Seat Temperature Limits: 

Seat Type Lower Limit Upper Limit
EPDM/WHITE EPDM -29 °C 150 °C
NBR (BUNA-N) / WHITE NBR (WHITE BUNA-N) -18 °C 100 °C
Fiton (FKM) -18 °C 200 °C
Sillicone -50 °C

200 °C

  • Max. Pressure Rating: Limited to 6 Bar.
  • Temperature range shall be the lesser of the seat temperature or disc coating temperature

Pressure Rating: 

Inch DN PSIG BARG
2" to 24" 50-600 230 16
2" to 24" 50-600 200 14
2" to 12" 50-300 175 12
2" to 40" 50-1000 150 10
2" to 40" 50-1000 87 6
2" to 40" 50-1000 50 3.5

 

Type

DelVal Butterfly Valve Series 50 52 Resilient Seated

Fitur

- Bi-directional U-cup stem seal
- Top plate double drilled to ISO 5211 and standard optional bolt circle aspects intended for coordinating mounting of a large number of actuators, handles, and gears
- High strength disc with hand polished disc edge and hubs
- Having Center LOK peroxide restored seat
- Double formed O-rings give upper and lower auxiliary seals