4133
Ductile Iron Resilient Seated Butterfly Valve, Vulcanized Seat, Wafer Series
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4133
DESIGN FEATURES
  • API 609 Category A Compliant
  • MSS SP67 Type 1 Compliant
  • API 598 Certified
  • NSF 61 & NSF 372 Certified
  • ISO 5211 Mounting Pad
  • Pinless Stem to Disc Design
  • Dead End Service
  • Lever & Gear Operator
  • 250 – 300 PSI Pressure Rating (up through 24″)
Sizes 2" - 24"
Ends Figure #
Series Lug 4833, 4832
Wafer 4133, 4132
Operator Lever & Gear
Pressure 300 PSI Rated (up through 24")
Dead End Service 300 PSI through 12"
250 PSI through 14" - 24"
*200 PSI through 14" - 24" for Viton Vulcanized Seat
Disc Material Offerings Ductile Iron with Ni-Coating; 316 Stainless Steel; Aluminum Bronze
Vulcanized Seat Offerings EPDM; Buna-N, Viton*
Design Standard API 609 Category A / MSS SP67 Type 1 Compliant
Pinless Stem to Disc Design
End Design ASME B16.42
Top Flange ISO 5211
Test Standard API 598 Certified
Potable Water & Lead Free NSF 61 & NSF 372 Certified

OVC General Products Catalog

Created as a desktop reference manual, our OVC General Products catalog provides an in-depth look at our entire product line, complete with design details and the registration numbers needed to get accurate quotes with our sales team or buy online at iValco.com.

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