Butler Swing Check Valve – Threaded Series SCV21W

Features & Design

Body Style: 1 Piece - Threaded Cap
Sizes: 1" - 4"
Pressure: 2,160 psi NSCWP
Connectors: FNPT x FNPT
  • Connections: FNPT x FNPT
  • Body Material: A216 WCB
  • Trim Material: 304 Stainless Steel
  • Seat Material: Viton
  • Seal Material: Viton
  • ASME B1.20.1 (NPT): Yes
  • API 598 (Test & Inspect): Yes
  • NACE MR0175: Yes
  • Temperature limits: −29°C to 204°C

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